/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 09:21:45,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 09:21:45,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 09:21:45,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 09:21:45,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 09:21:45,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 09:21:45,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 09:21:45,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 09:21:45,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 09:21:45,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 09:21:45,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 09:21:45,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 09:21:45,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 09:21:45,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 09:21:45,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 09:21:45,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 09:21:45,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 09:21:45,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 09:21:45,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 09:21:45,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 09:21:45,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 09:21:45,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 09:21:45,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 09:21:45,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 09:21:45,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 09:21:45,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 09:21:45,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 09:21:45,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 09:21:45,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 09:21:45,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 09:21:45,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 09:21:45,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 09:21:45,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 09:21:45,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 09:21:45,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 09:21:45,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 09:21:45,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 09:21:45,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 09:21:45,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 09:21:45,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 09:21:45,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 09:21:45,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 09:21:45,140 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 09:21:45,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 09:21:45,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 09:21:45,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 09:21:45,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 09:21:45,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 09:21:45,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 09:21:45,142 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 09:21:45,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 09:21:45,142 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 09:21:45,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 09:21:45,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 09:21:45,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 09:21:45,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 09:21:45,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 09:21:45,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 09:21:45,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 09:21:45,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 09:21:45,360 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 09:21:45,360 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 09:21:45,361 INFO L432 ainManager$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--usb--class--cdc-wdm.ko.cil.i [2023-04-03 09:21:46,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 09:21:46,776 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 09:21:46,776 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2023-04-03 09:21:46,817 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/118492412/8919ee423f1641818bea441c03c1cc0c/FLAG9bfa397c0 [2023-04-03 09:21:46,828 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/118492412/8919ee423f1641818bea441c03c1cc0c [2023-04-03 09:21:46,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 09:21:46,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 09:21:46,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 09:21:46,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 09:21:46,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 09:21:46,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 09:21:46" (1/1) ... [2023-04-03 09:21:46,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe96d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:46, skipping insertion in model container [2023-04-03 09:21:46,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 09:21:46" (1/1) ... [2023-04-03 09:21:46,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 09:21:46,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 09:21:48,477 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2023-04-03 09:21:48,481 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2023-04-03 09:21:48,481 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2023-04-03 09:21:48,481 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2023-04-03 09:21:48,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2023-04-03 09:21:48,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2023-04-03 09:21:48,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2023-04-03 09:21:48,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2023-04-03 09:21:48,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2023-04-03 09:21:48,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2023-04-03 09:21:48,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2023-04-03 09:21:48,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2023-04-03 09:21:48,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2023-04-03 09:21:48,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2023-04-03 09:21:48,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2023-04-03 09:21:48,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2023-04-03 09:21:48,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2023-04-03 09:21:48,487 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2023-04-03 09:21:48,487 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2023-04-03 09:21:48,487 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2023-04-03 09:21:48,488 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2023-04-03 09:21:48,488 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2023-04-03 09:21:48,488 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2023-04-03 09:21:48,489 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2023-04-03 09:21:48,490 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2023-04-03 09:21:48,490 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2023-04-03 09:21:48,490 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2023-04-03 09:21:48,490 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2023-04-03 09:21:48,491 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2023-04-03 09:21:48,491 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2023-04-03 09:21:48,492 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2023-04-03 09:21:48,492 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2023-04-03 09:21:48,492 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2023-04-03 09:21:48,493 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2023-04-03 09:21:48,494 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2023-04-03 09:21:48,494 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2023-04-03 09:21:48,494 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2023-04-03 09:21:48,494 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2023-04-03 09:21:48,495 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2023-04-03 09:21:48,495 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2023-04-03 09:21:48,496 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2023-04-03 09:21:48,496 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2023-04-03 09:21:48,496 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2023-04-03 09:21:48,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2023-04-03 09:21:48,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2023-04-03 09:21:48,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2023-04-03 09:21:48,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2023-04-03 09:21:48,498 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2023-04-03 09:21:48,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2023-04-03 09:21:48,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2023-04-03 09:21:48,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2023-04-03 09:21:48,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2023-04-03 09:21:48,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2023-04-03 09:21:48,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2023-04-03 09:21:48,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2023-04-03 09:21:48,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2023-04-03 09:21:48,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2023-04-03 09:21:48,501 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2023-04-03 09:21:48,501 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2023-04-03 09:21:48,501 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2023-04-03 09:21:48,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2023-04-03 09:21:48,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2023-04-03 09:21:48,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2023-04-03 09:21:48,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2023-04-03 09:21:48,503 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2023-04-03 09:21:48,503 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2023-04-03 09:21:48,503 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2023-04-03 09:21:48,503 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2023-04-03 09:21:48,504 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2023-04-03 09:21:48,504 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2023-04-03 09:21:48,505 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2023-04-03 09:21:48,505 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2023-04-03 09:21:48,505 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2023-04-03 09:21:48,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2023-04-03 09:21:48,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2023-04-03 09:21:48,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2023-04-03 09:21:48,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2023-04-03 09:21:48,507 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2023-04-03 09:21:48,507 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2023-04-03 09:21:48,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2023-04-03 09:21:48,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2023-04-03 09:21:48,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2023-04-03 09:21:48,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2023-04-03 09:21:48,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2023-04-03 09:21:48,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2023-04-03 09:21:48,510 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2023-04-03 09:21:48,510 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2023-04-03 09:21:48,510 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2023-04-03 09:21:48,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 09:21:48,554 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 09:21:48,728 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2023-04-03 09:21:48,729 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2023-04-03 09:21:48,729 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2023-04-03 09:21:48,729 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2023-04-03 09:21:48,732 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2023-04-03 09:21:48,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2023-04-03 09:21:48,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2023-04-03 09:21:48,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2023-04-03 09:21:48,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2023-04-03 09:21:48,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2023-04-03 09:21:48,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2023-04-03 09:21:48,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2023-04-03 09:21:48,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2023-04-03 09:21:48,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2023-04-03 09:21:48,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2023-04-03 09:21:48,735 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2023-04-03 09:21:48,735 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2023-04-03 09:21:48,735 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2023-04-03 09:21:48,736 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2023-04-03 09:21:48,736 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2023-04-03 09:21:48,736 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2023-04-03 09:21:48,736 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2023-04-03 09:21:48,736 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2023-04-03 09:21:48,737 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2023-04-03 09:21:48,738 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2023-04-03 09:21:48,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2023-04-03 09:21:48,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2023-04-03 09:21:48,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2023-04-03 09:21:48,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2023-04-03 09:21:48,742 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2023-04-03 09:21:48,742 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2023-04-03 09:21:48,742 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2023-04-03 09:21:48,743 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2023-04-03 09:21:48,743 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2023-04-03 09:21:48,743 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2023-04-03 09:21:48,743 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2023-04-03 09:21:48,744 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2023-04-03 09:21:48,744 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2023-04-03 09:21:48,744 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2023-04-03 09:21:48,744 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2023-04-03 09:21:48,745 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2023-04-03 09:21:48,745 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2023-04-03 09:21:48,746 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2023-04-03 09:21:48,746 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2023-04-03 09:21:48,746 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2023-04-03 09:21:48,746 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2023-04-03 09:21:48,746 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2023-04-03 09:21:48,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2023-04-03 09:21:48,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2023-04-03 09:21:48,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2023-04-03 09:21:48,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2023-04-03 09:21:48,748 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2023-04-03 09:21:48,748 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2023-04-03 09:21:48,749 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2023-04-03 09:21:48,749 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2023-04-03 09:21:48,750 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2023-04-03 09:21:48,750 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2023-04-03 09:21:48,750 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2023-04-03 09:21:48,751 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2023-04-03 09:21:48,752 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2023-04-03 09:21:48,754 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2023-04-03 09:21:48,754 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2023-04-03 09:21:48,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2023-04-03 09:21:48,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2023-04-03 09:21:48,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2023-04-03 09:21:48,759 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2023-04-03 09:21:48,759 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2023-04-03 09:21:48,759 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2023-04-03 09:21:48,762 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2023-04-03 09:21:48,762 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2023-04-03 09:21:48,762 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2023-04-03 09:21:48,763 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2023-04-03 09:21:48,763 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2023-04-03 09:21:48,763 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2023-04-03 09:21:48,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2023-04-03 09:21:48,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2023-04-03 09:21:48,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2023-04-03 09:21:48,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2023-04-03 09:21:48,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2023-04-03 09:21:48,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2023-04-03 09:21:48,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2023-04-03 09:21:48,767 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2023-04-03 09:21:48,767 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2023-04-03 09:21:48,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 09:21:48,909 INFO L208 MainTranslator]: Completed translation [2023-04-03 09:21:48,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48 WrapperNode [2023-04-03 09:21:48,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 09:21:48,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 09:21:48,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 09:21:48,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 09:21:48,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:48,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:48,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:48,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 09:21:49,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 09:21:49,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 09:21:49,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 09:21:49,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (1/1) ... [2023-04-03 09:21:49,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 09:21:49,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 09:21:49,242 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) [2023-04-03 09:21:49,257 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 [2023-04-03 09:21:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 09:21:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 09:21:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 09:21:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2023-04-03 09:21:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2023-04-03 09:21:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_wdm_driver_exit_5_2 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_wdm_driver_init_5_9 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_3_1 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_3_5_4 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_2_2 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_2_3 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_4_2 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_3_5_5 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_5 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 09:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_23 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_26 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_27 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_30 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_2 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_callback_1_6 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_1_9 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_1_10 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_1_13 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_1_4 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_1_7 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_1_8 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_1 [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 09:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_99 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_100 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_104 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_106 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_107 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_108 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_109 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_110 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_111 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_112 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_113 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_114 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_116 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_118 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_126 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_127 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_130 [2023-04-03 09:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_131 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_132 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_133 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_134 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_135 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_136 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_137 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_140 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_141 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_144 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_145 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_147 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_148 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_149 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_154 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_155 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_157 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_158 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_159 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_160 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_163 [2023-04-03 09:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_164 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_165 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_169 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_170 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_171 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_174 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_175 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_176 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_177 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_178 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_179 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_post_init_180 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_check_final_state_181 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_check_final_state_182 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_initialize_183 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_pre_probe_184 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ldv_post_probe_185 [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_nonatomic [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_spinlock_check_alloc_flags [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_spinlock_check_alloc_nonatomic [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2023-04-03 09:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_nonatomic [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_lock_device [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_trylock_device [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_lock_device_for_reset [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_usb_unlock_device [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_sub [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_sub_and_test [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_dec [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_dec_and_test [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc_and_test [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add_return [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_add_negative [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_atomic_inc_short [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_add_disk [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-04-03 09:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_put_blk_rq [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_create_class [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_register_class [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_unregister_class [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_register_chrdev [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_register_chrdev_region [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2023-04-03 09:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_trylock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_trylock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_get [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_try_module_get [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put_and_exit [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_refcount [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_srcu_read_lock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_srcu_read_unlock [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_for_read_section [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_lock_bh [2023-04-03 09:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_unlock_bh [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_for_read_section [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_lock_sched [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_unlock_sched [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_for_read_section [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_lock [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_unlock [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_for_read_section [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_initialize [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 09:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_context [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_sdio_claim_host [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_sdio_release_host [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_before_ieee80211_unregister_hw [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_past_lock_sock_nested [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_lock_sock_fast [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_unlock_sock_fast [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-04-03 09:21:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_get_dev [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_check_return_value_probe [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_initialize [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_check_final_state [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_create_class [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_class [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_class [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_chrdev [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_chrdev_region [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_register_usb_gadget [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_usb_gadget [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-04-03 09:21:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_i_mutex_of_inode [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_i_mutex_of_inode [2023-04-03 09:21:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_rlock_of_wdm_device [2023-04-03 09:21:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wdm_mutex [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wlock_of_wdm_device [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_initialize [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_check_final_state [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_alloc_lock_of_task_struct [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_alloc_lock_of_task_struct [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 09:21:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock [2023-04-03 09:21:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_ptl [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_wdm_device_list_lock [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wdm_device_list_lock [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_wdm_device_list_lock [2023-04-03 09:21:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_wdm_device_list_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_wdm_device_list_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_wdm_device_list_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_wdm_device_list_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_wdm_device_list_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_check_final_state [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_init_completion [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_init_completion_macro [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_init [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_find [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_destroy [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__lock_on_exit [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_unlock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lock [2023-04-03 09:21:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__more_read_unlocks [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_lock [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_unlock [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__double_init [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_register__wrong_return_value [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_deregistration [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__registered_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__more_unlocks [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_read_section [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_module__less_initial_decrement [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_module__more_initial_at_exit [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_find_bit__offset_out_of_range [2023-04-03 09:21:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__wrong_params [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__double_claim [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__release_without_claim [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_mmc_sdio_func__unreleased_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_coherent__less_initial_decrement [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_coherent__more_initial_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__more_unlocks [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_section [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__all_locked_sockets_must_be_released [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocks [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_section [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__unincremented_counter_decrement [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__less_initial_decrement [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__more_initial_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_dev__probe_failed [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadget [2023-04-03 09:21:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadget [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_registration [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_deregistration [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exit [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_usb_lock__wrong_flags [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_usb_lock__nonatomic [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_put [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__get_at_exit [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_irq__wrong_flags [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_irq__nonatomic [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_deregistration [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__registered_at_exit [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__double_allocation [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__use_before_allocation [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_queue__more_initial_at_exit [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__double_allocation [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__use_before_allocation [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__delete_before_add [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__free_before_allocation [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_genhd__more_initial_at_exit [2023-04-03 09:21:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_arch_io__less_initial_decrement [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_arch_io__more_initial_at_exit [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_register__wrong_return_value [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_sysfs__less_initial_decrement [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_sysfs__more_initial_at_exit [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_urb__less_initial_decrement [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_urb__more_initial_at_exit [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocks [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_section [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exit [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 09:21:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 09:21:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 09:21:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_nonatomic [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_nonatomic [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-04-03 09:21:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_create_class [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_register_class [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_for_read_section [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_for_read_section [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_for_read_section [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_for_read_section [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_initialize [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_create_class [2023-04-03 09:21:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_class [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_initialize_183 [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_post_init_180 [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_pre_probe_184 [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_post_probe_185 [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 09:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_check_final_state_181 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ldv_check_final_state_182 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_130 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_131 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_135 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_136 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_154 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_157 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_158 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_164 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_165 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_174 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_175 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_112 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_118 [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_rlock_of_wdm_device [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_rlock_of_wdm_device [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_rlock_of_wdm_device [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wdm_mutex [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wdm_mutex [2023-04-03 09:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_wlock_of_wdm_device [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wlock_of_wdm_device [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wlock_of_wdm_device [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_127 [2023-04-03 09:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_141 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_145 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_linux_kernel_locking_spinlock_spin_lock_155 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_iuspin_of_wdm_device [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_wdm_device_list_lock [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wdm_device_list_lock [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_114 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_126 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_133 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_134 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_137 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_140 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_159 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_160 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_163 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_169 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_170 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_176 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_177 [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 09:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_99 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_110 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_100 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_111 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 09:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-03 09:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_178 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_179 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_147 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_148 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_149 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_107 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_108 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_109 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_104 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_106 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_113 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_116 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_132 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_144 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_171 [2023-04-03 09:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2023-04-03 09:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_wdm_driver_exit_5_2 [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_wdm_driver_init_5_9 [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_3_1 [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_3_5_4 [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_2_2 [2023-04-03 09:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_2_3 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_4_2 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_3_5_5 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_5 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_23 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_26 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_27 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_30 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_2 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_callback_1_6 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_1_9 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_1_10 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_1_13 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_1_4 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_1_7 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_1_8 [2023-04-03 09:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_1 [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_irq__nonatomic [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_irq__wrong_flags [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_spinlock_check_alloc_flags [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_spinlock_check_alloc_nonatomic [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_usb_lock__nonatomic [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_usb_lock__wrong_flags [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_lock_device [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_trylock_device [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_lock_device_for_reset [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_usb_unlock_device [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_sub [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_sub_and_test [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_dec [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_dec_and_test [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc_and_test [2023-04-03 09:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add_return [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_add_negative [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_atomic_inc_short [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_arch_io__less_initial_decrement [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_arch_io__more_initial_at_exit [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__delete_before_add [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__double_allocation [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__free_before_allocation [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__more_initial_at_exit [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_genhd__use_before_allocation [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_add_disk [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__double_allocation [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__more_initial_at_exit [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_queue__use_before_allocation [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_put [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__get_at_exit [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_put_blk_rq [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_deregistration [2023-04-03 09:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__registered_at_exit [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_unregister_class [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_deregistration [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__registered_at_exit [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_register_chrdev [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_register_chrdev_region [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_sysfs__less_initial_decrement [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_sysfs__more_initial_at_exit [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_lock [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__double_write_unlock [2023-04-03 09:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__more_read_unlocks [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exit [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__read_lock_on_write_lock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exit [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_trylock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_trylock [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_module__less_initial_decrement [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_module__more_initial_at_exit [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_get [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_try_module_get [2023-04-03 09:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put_and_exit [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_refcount [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_exit [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__locked_at_read_section [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_srcu__more_unlocks [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_srcu_read_lock [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_srcu_read_unlock [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exit [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_read_section [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_bh__more_unlocks [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_lock_bh [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_rcu_read_unlock_bh [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exit [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_read_section [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock_sched__more_unlocks [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_lock_sched [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_rcu_read_unlock_sched [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_exit [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__locked_at_read_section [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_rcu_update_lock__more_unlocks [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_lock [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_rcu_read_unlock [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 09:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_find_bit__offset_out_of_range [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__double_claim [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__release_without_claim [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__unreleased_at_exit [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_mmc_sdio_func__wrong_params [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_context [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_sdio_claim_host [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_sdio_release_host [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_register__wrong_return_value [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_unlock [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__lock_on_exit [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_before_ieee80211_unregister_hw [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2023-04-03 09:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__all_locked_sockets_must_be_released [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_past_lock_sock_nested [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_lock_sock_fast [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_unlock_sock_fast [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_coherent__less_initial_decrement [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_coherent__more_initial_at_exit [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__less_initial_decrement [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__more_initial_at_exit [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__probe_failed [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_dev__unincremented_counter_decrement [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_get_dev [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_check_return_value_probe [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_initialize [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_check_final_state [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_deregistration_with_usb_gadget [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_deregistration_with_usb_gadget [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2023-04-03 09:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_deregistration [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__double_usb_gadget_registration [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exit [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_class [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_chrdev [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_chrdev_region [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_register_usb_gadget [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_usb_gadget [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_register__wrong_return_value [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_urb__less_initial_decrement [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_urb__more_initial_at_exit [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 09:21:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock [2023-04-03 09:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_rlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_rlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_wdm_mutex [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_wdm_mutex [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_wdm_mutex [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_wdm_mutex [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_is_locked_wlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_wlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_initialize [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_check_final_state [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_alloc_lock_of_task_struct [2023-04-03 09:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_iuspin_of_wdm_device [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock [2023-04-03 09:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ptl [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_ptl [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_ptl [2023-04-03 09:21:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_ptl [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_ptl [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_ptl [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_ptl [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_ptl [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_trylock_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_wait_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_locked_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_can_lock_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_is_contended_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock_wdm_device_list_lock [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_check_final_state [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__double_init [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_init_completion [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_init_completion_macro [2023-04-03 09:21:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_init [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_find [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_destroy [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 09:21:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 09:21:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 09:21:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 09:21:49,947 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 09:21:49,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 09:21:51,424 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 09:21:51,433 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_linux_kernel_module_module_put_and_exitFINAL: assume true; [2023-04-03 09:21:54,305 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 09:21:55,083 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 09:21:55,083 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 09:21:55,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 09:21:55 BoogieIcfgContainer [2023-04-03 09:21:55,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 09:21:55,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 09:21:55,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 09:21:55,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 09:21:55,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 09:21:46" (1/3) ... [2023-04-03 09:21:55,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca4e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 09:21:55, skipping insertion in model container [2023-04-03 09:21:55,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:21:48" (2/3) ... [2023-04-03 09:21:55,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca4e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 09:21:55, skipping insertion in model container [2023-04-03 09:21:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 09:21:55" (3/3) ... [2023-04-03 09:21:55,096 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2023-04-03 09:21:55,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 09:21:55,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2023-04-03 09:21:55,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 09:21:55,184 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f451cf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 09:21:55,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2023-04-03 09:21:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 2430 states, 1234 states have (on average 1.2115072933549433) internal successors, (1495), 1329 states have internal predecessors, (1495), 724 states have call successors, (724), 304 states have call predecessors, (724), 303 states have return successors, (719), 704 states have call predecessors, (719), 719 states have call successors, (719) [2023-04-03 09:21:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-04-03 09:21:55,202 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:21:55,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:21:55,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_arch_io__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:21:55,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:21:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash 618489894, now seen corresponding path program 1 times [2023-04-03 09:21:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:21:55,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176301450] [2023-04-03 09:21:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:21:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:21:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:21:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:21:56,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:21:56,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176301450] [2023-04-03 09:21:56,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176301450] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:21:56,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:21:56,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:21:56,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975917251] [2023-04-03 09:21:56,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:21:56,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:21:56,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:21:56,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:21:56,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:21:56,151 INFO L87 Difference]: Start difference. First operand has 2430 states, 1234 states have (on average 1.2115072933549433) internal successors, (1495), 1329 states have internal predecessors, (1495), 724 states have call successors, (724), 304 states have call predecessors, (724), 303 states have return successors, (719), 704 states have call predecessors, (719), 719 states have call successors, (719) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-03 09:21:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:21:57,695 INFO L93 Difference]: Finished difference Result 3362 states and 4487 transitions. [2023-04-03 09:21:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:21:57,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 93 [2023-04-03 09:21:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:21:57,737 INFO L225 Difference]: With dead ends: 3362 [2023-04-03 09:21:57,737 INFO L226 Difference]: Without dead ends: 1712 [2023-04-03 09:21:57,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:21:57,770 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 2137 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 5947 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 09:21:57,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 5947 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 09:21:57,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2023-04-03 09:21:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1712. [2023-04-03 09:21:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 857 states have (on average 1.1738623103850643) internal successors, (1006), 922 states have internal predecessors, (1006), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:21:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2023-04-03 09:21:57,905 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 93 [2023-04-03 09:21:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:21:57,906 INFO L495 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2023-04-03 09:21:57,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-03 09:21:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2023-04-03 09:21:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-04-03 09:21:57,913 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:21:57,913 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:21:57,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 09:21:57,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_block_genhd__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:21:57,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:21:57,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1001177388, now seen corresponding path program 1 times [2023-04-03 09:21:57,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:21:57,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848542627] [2023-04-03 09:21:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:21:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:21:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:21:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:21:58,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:21:58,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848542627] [2023-04-03 09:21:58,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848542627] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:21:58,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:21:58,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:21:58,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798507160] [2023-04-03 09:21:58,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:21:58,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:21:58,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:21:58,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:21:58,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:21:58,262 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 09:21:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:21:59,897 INFO L93 Difference]: Finished difference Result 1712 states and 2129 transitions. [2023-04-03 09:21:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:21:59,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 101 [2023-04-03 09:21:59,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:21:59,906 INFO L225 Difference]: With dead ends: 1712 [2023-04-03 09:21:59,906 INFO L226 Difference]: Without dead ends: 1710 [2023-04-03 09:21:59,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:21:59,907 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2113 mSDsluCounter, 3918 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 5878 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 09:21:59,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2114 Valid, 5878 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 09:21:59,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2023-04-03 09:21:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1710. [2023-04-03 09:21:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 856 states have (on average 1.1728971962616823) internal successors, (1004), 920 states have internal predecessors, (1004), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:21:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2127 transitions. [2023-04-03 09:21:59,972 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2127 transitions. Word has length 101 [2023-04-03 09:21:59,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:21:59,972 INFO L495 AbstractCegarLoop]: Abstraction has 1710 states and 2127 transitions. [2023-04-03 09:21:59,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 09:21:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2127 transitions. [2023-04-03 09:21:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-03 09:21:59,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:21:59,973 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:21:59,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 09:21:59,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_block_queue__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:21:59,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:21:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash 448591273, now seen corresponding path program 1 times [2023-04-03 09:21:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:21:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964166585] [2023-04-03 09:21:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:21:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:00,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964166585] [2023-04-03 09:22:00,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964166585] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:00,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:00,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278530731] [2023-04-03 09:22:00,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:00,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:00,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:00,273 INFO L87 Difference]: Start difference. First operand 1710 states and 2127 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 09:22:01,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:01,795 INFO L93 Difference]: Finished difference Result 1710 states and 2127 transitions. [2023-04-03 09:22:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:01,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 109 [2023-04-03 09:22:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:01,803 INFO L225 Difference]: With dead ends: 1710 [2023-04-03 09:22:01,803 INFO L226 Difference]: Without dead ends: 1708 [2023-04-03 09:22:01,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:01,804 INFO L413 NwaCegarLoop]: 1958 mSDtfsCounter, 2110 mSDsluCounter, 3914 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 5872 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:01,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2111 Valid, 5872 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 09:22:01,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-04-03 09:22:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1708. [2023-04-03 09:22:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 855 states have (on average 1.1719298245614036) internal successors, (1002), 918 states have internal predecessors, (1002), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:22:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2125 transitions. [2023-04-03 09:22:01,859 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2125 transitions. Word has length 109 [2023-04-03 09:22:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:01,859 INFO L495 AbstractCegarLoop]: Abstraction has 1708 states and 2125 transitions. [2023-04-03 09:22:01,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 09:22:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2125 transitions. [2023-04-03 09:22:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-03 09:22:01,860 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:01,860 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:01,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 09:22:01,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_block_request__get_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:01,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:01,861 INFO L85 PathProgramCache]: Analyzing trace with hash -913481432, now seen corresponding path program 1 times [2023-04-03 09:22:01,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:01,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663151730] [2023-04-03 09:22:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:01,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:02,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663151730] [2023-04-03 09:22:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663151730] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:02,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:02,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:02,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852477107] [2023-04-03 09:22:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:02,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:02,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:02,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:02,180 INFO L87 Difference]: Start difference. First operand 1708 states and 2125 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 09:22:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:03,490 INFO L93 Difference]: Finished difference Result 1708 states and 2125 transitions. [2023-04-03 09:22:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:03,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 117 [2023-04-03 09:22:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:03,498 INFO L225 Difference]: With dead ends: 1708 [2023-04-03 09:22:03,498 INFO L226 Difference]: Without dead ends: 1706 [2023-04-03 09:22:03,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:03,500 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 2107 mSDsluCounter, 3910 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:03,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 5866 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 09:22:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2023-04-03 09:22:03,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2023-04-03 09:22:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 854 states have (on average 1.17096018735363) internal successors, (1000), 916 states have internal predecessors, (1000), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:22:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2123 transitions. [2023-04-03 09:22:03,588 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2123 transitions. Word has length 117 [2023-04-03 09:22:03,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:03,588 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2123 transitions. [2023-04-03 09:22:03,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 09:22:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2123 transitions. [2023-04-03 09:22:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 09:22:03,590 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:03,590 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:03,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 09:22:03,590 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_base_class__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:03,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:03,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1692737425, now seen corresponding path program 1 times [2023-04-03 09:22:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076643488] [2023-04-03 09:22:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:03,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:03,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:03,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076643488] [2023-04-03 09:22:03,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076643488] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:03,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:03,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120038044] [2023-04-03 09:22:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:03,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:03,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:03,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:03,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:03,857 INFO L87 Difference]: Start difference. First operand 1706 states and 2123 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 09:22:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:05,562 INFO L93 Difference]: Finished difference Result 1706 states and 2123 transitions. [2023-04-03 09:22:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 125 [2023-04-03 09:22:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:05,570 INFO L225 Difference]: With dead ends: 1706 [2023-04-03 09:22:05,570 INFO L226 Difference]: Without dead ends: 1704 [2023-04-03 09:22:05,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:05,571 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 2104 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 5860 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2023-04-03 09:22:05,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1704. [2023-04-03 09:22:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 853 states have (on average 1.1699882766705745) internal successors, (998), 914 states have internal predecessors, (998), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:22:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2121 transitions. [2023-04-03 09:22:05,668 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2121 transitions. Word has length 125 [2023-04-03 09:22:05,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:05,668 INFO L495 AbstractCegarLoop]: Abstraction has 1704 states and 2121 transitions. [2023-04-03 09:22:05,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 09:22:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2121 transitions. [2023-04-03 09:22:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 09:22:05,670 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:05,670 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:05,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 09:22:05,670 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_fs_char_dev__registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:05,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:05,670 INFO L85 PathProgramCache]: Analyzing trace with hash 693186175, now seen corresponding path program 1 times [2023-04-03 09:22:05,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:05,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554672704] [2023-04-03 09:22:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:05,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:05,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:05,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554672704] [2023-04-03 09:22:05,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554672704] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:05,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:05,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:05,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985179073] [2023-04-03 09:22:05,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:05,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:05,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:05,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:05,959 INFO L87 Difference]: Start difference. First operand 1704 states and 2121 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 09:22:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:07,665 INFO L93 Difference]: Finished difference Result 1704 states and 2121 transitions. [2023-04-03 09:22:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:07,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 133 [2023-04-03 09:22:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:07,672 INFO L225 Difference]: With dead ends: 1704 [2023-04-03 09:22:07,672 INFO L226 Difference]: Without dead ends: 1702 [2023-04-03 09:22:07,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:07,673 INFO L413 NwaCegarLoop]: 1952 mSDtfsCounter, 2101 mSDsluCounter, 3902 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 5854 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:07,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 5854 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2023-04-03 09:22:07,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1702. [2023-04-03 09:22:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 852 states have (on average 1.1690140845070423) internal successors, (996), 912 states have internal predecessors, (996), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:22:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2119 transitions. [2023-04-03 09:22:07,761 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2119 transitions. Word has length 133 [2023-04-03 09:22:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:07,761 INFO L495 AbstractCegarLoop]: Abstraction has 1702 states and 2119 transitions. [2023-04-03 09:22:07,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 09:22:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2119 transitions. [2023-04-03 09:22:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 09:22:07,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:07,764 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:07,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 09:22:07,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_fs_sysfs__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:07,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:07,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1176693640, now seen corresponding path program 1 times [2023-04-03 09:22:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:07,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664636385] [2023-04-03 09:22:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:08,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664636385] [2023-04-03 09:22:08,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664636385] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:08,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:08,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:08,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371311662] [2023-04-03 09:22:08,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:08,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:08,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:08,030 INFO L87 Difference]: Start difference. First operand 1702 states and 2119 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 09:22:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:09,764 INFO L93 Difference]: Finished difference Result 1702 states and 2119 transitions. [2023-04-03 09:22:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:09,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 141 [2023-04-03 09:22:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:09,771 INFO L225 Difference]: With dead ends: 1702 [2023-04-03 09:22:09,771 INFO L226 Difference]: Without dead ends: 1700 [2023-04-03 09:22:09,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:09,772 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 2098 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:09,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5848 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2023-04-03 09:22:09,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2023-04-03 09:22:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 851 states have (on average 1.1680376028202115) internal successors, (994), 910 states have internal predecessors, (994), 565 states have call successors, (565), 267 states have call predecessors, (565), 261 states have return successors, (558), 548 states have call predecessors, (558), 558 states have call successors, (558) [2023-04-03 09:22:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2117 transitions. [2023-04-03 09:22:09,860 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2117 transitions. Word has length 141 [2023-04-03 09:22:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:09,860 INFO L495 AbstractCegarLoop]: Abstraction has 1700 states and 2117 transitions. [2023-04-03 09:22:09,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 09:22:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2117 transitions. [2023-04-03 09:22:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-03 09:22:09,862 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:09,862 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:09,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 09:22:09,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_net_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:09,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:09,863 INFO L85 PathProgramCache]: Analyzing trace with hash -718711667, now seen corresponding path program 1 times [2023-04-03 09:22:09,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:09,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847021149] [2023-04-03 09:22:09,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:09,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-04-03 09:22:10,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:10,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847021149] [2023-04-03 09:22:10,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847021149] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:10,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:10,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 09:22:10,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094591198] [2023-04-03 09:22:10,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:10,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 09:22:10,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:10,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 09:22:10,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:22:10,236 INFO L87 Difference]: Start difference. First operand 1700 states and 2117 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 09:22:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:10,924 INFO L93 Difference]: Finished difference Result 3105 states and 3854 transitions. [2023-04-03 09:22:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 09:22:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2023-04-03 09:22:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:10,931 INFO L225 Difference]: With dead ends: 3105 [2023-04-03 09:22:10,931 INFO L226 Difference]: Without dead ends: 1693 [2023-04-03 09:22:10,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:22:10,935 INFO L413 NwaCegarLoop]: 1944 mSDtfsCounter, 2094 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:10,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 1945 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 09:22:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-04-03 09:22:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1693. [2023-04-03 09:22:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 847 states have (on average 1.166469893742621) internal successors, (988), 904 states have internal predecessors, (988), 564 states have call successors, (564), 266 states have call predecessors, (564), 260 states have return successors, (557), 547 states have call predecessors, (557), 557 states have call successors, (557) [2023-04-03 09:22:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2109 transitions. [2023-04-03 09:22:11,013 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2109 transitions. Word has length 173 [2023-04-03 09:22:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:11,013 INFO L495 AbstractCegarLoop]: Abstraction has 1693 states and 2109 transitions. [2023-04-03 09:22:11,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 09:22:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2109 transitions. [2023-04-03 09:22:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-03 09:22:11,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:11,015 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:11,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 09:22:11,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:11,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1009635881, now seen corresponding path program 1 times [2023-04-03 09:22:11,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:11,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917298037] [2023-04-03 09:22:11,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:11,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-04-03 09:22:11,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:11,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917298037] [2023-04-03 09:22:11,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917298037] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:11,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:11,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 09:22:11,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323312385] [2023-04-03 09:22:11,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:11,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 09:22:11,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:11,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 09:22:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:22:11,787 INFO L87 Difference]: Start difference. First operand 1693 states and 2109 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 09:22:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:16,222 INFO L93 Difference]: Finished difference Result 1693 states and 2109 transitions. [2023-04-03 09:22:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 09:22:16,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 179 [2023-04-03 09:22:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:16,229 INFO L225 Difference]: With dead ends: 1693 [2023-04-03 09:22:16,229 INFO L226 Difference]: Without dead ends: 1691 [2023-04-03 09:22:16,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-04-03 09:22:16,230 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 2043 mSDsluCounter, 8573 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 10513 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:16,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 10513 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 09:22:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2023-04-03 09:22:16,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2023-04-03 09:22:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 846 states have (on average 1.16548463356974) internal successors, (986), 902 states have internal predecessors, (986), 564 states have call successors, (564), 266 states have call predecessors, (564), 260 states have return successors, (557), 547 states have call predecessors, (557), 557 states have call successors, (557) [2023-04-03 09:22:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2107 transitions. [2023-04-03 09:22:16,308 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2107 transitions. Word has length 179 [2023-04-03 09:22:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:16,309 INFO L495 AbstractCegarLoop]: Abstraction has 1691 states and 2107 transitions. [2023-04-03 09:22:16,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 09:22:16,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2107 transitions. [2023-04-03 09:22:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-03 09:22:16,310 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:16,310 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:16,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 09:22:16,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_rwlock__read_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:16,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash -23412648, now seen corresponding path program 1 times [2023-04-03 09:22:16,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:16,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361810463] [2023-04-03 09:22:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:22:16,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:16,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361810463] [2023-04-03 09:22:16,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361810463] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:16,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:16,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:16,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991653526] [2023-04-03 09:22:16,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:16,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:16,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:16,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:16,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:16,564 INFO L87 Difference]: Start difference. First operand 1691 states and 2107 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 09:22:18,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:18,378 INFO L93 Difference]: Finished difference Result 1691 states and 2107 transitions. [2023-04-03 09:22:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 175 [2023-04-03 09:22:18,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:18,385 INFO L225 Difference]: With dead ends: 1691 [2023-04-03 09:22:18,385 INFO L226 Difference]: Without dead ends: 1689 [2023-04-03 09:22:18,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:18,386 INFO L413 NwaCegarLoop]: 1938 mSDtfsCounter, 2081 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 5812 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:18,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 5812 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 09:22:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2023-04-03 09:22:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2023-04-03 09:22:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 845 states have (on average 1.1644970414201183) internal successors, (984), 900 states have internal predecessors, (984), 564 states have call successors, (564), 266 states have call predecessors, (564), 260 states have return successors, (557), 547 states have call predecessors, (557), 557 states have call successors, (557) [2023-04-03 09:22:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2105 transitions. [2023-04-03 09:22:18,514 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2105 transitions. Word has length 175 [2023-04-03 09:22:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:18,514 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 2105 transitions. [2023-04-03 09:22:18,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-03 09:22:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2105 transitions. [2023-04-03 09:22:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-03 09:22:18,516 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:18,516 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:18,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 09:22:18,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:18,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:18,517 INFO L85 PathProgramCache]: Analyzing trace with hash -930390082, now seen corresponding path program 1 times [2023-04-03 09:22:18,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:18,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288288767] [2023-04-03 09:22:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-04-03 09:22:19,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288288767] [2023-04-03 09:22:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288288767] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:19,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:19,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:22:19,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951369393] [2023-04-03 09:22:19,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:19,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:22:19,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:19,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:22:19,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:22:19,394 INFO L87 Difference]: Start difference. First operand 1689 states and 2105 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (40), 4 states have call predecessors, (40), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 09:22:25,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:25,150 INFO L93 Difference]: Finished difference Result 1928 states and 2341 transitions. [2023-04-03 09:22:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 09:22:25,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (40), 4 states have call predecessors, (40), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 172 [2023-04-03 09:22:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:25,157 INFO L225 Difference]: With dead ends: 1928 [2023-04-03 09:22:25,157 INFO L226 Difference]: Without dead ends: 1926 [2023-04-03 09:22:25,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-04-03 09:22:25,158 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1944 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 1957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 7882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1957 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:25,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 1204 Invalid, 7882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1957 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-03 09:22:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2023-04-03 09:22:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1914. [2023-04-03 09:22:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 963 states have (on average 1.1568016614745587) internal successors, (1114), 1019 states have internal predecessors, (1114), 613 states have call successors, (613), 324 states have call predecessors, (613), 318 states have return successors, (606), 596 states have call predecessors, (606), 606 states have call successors, (606) [2023-04-03 09:22:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2333 transitions. [2023-04-03 09:22:25,269 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2333 transitions. Word has length 172 [2023-04-03 09:22:25,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:25,270 INFO L495 AbstractCegarLoop]: Abstraction has 1914 states and 2333 transitions. [2023-04-03 09:22:25,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (40), 4 states have call predecessors, (40), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 09:22:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2333 transitions. [2023-04-03 09:22:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-03 09:22:25,271 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:25,271 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:25,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 09:22:25,271 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_usb_register__wrong_return_valueErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:25,272 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1207455341, now seen corresponding path program 1 times [2023-04-03 09:22:25,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:25,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250093121] [2023-04-03 09:22:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-04-03 09:22:25,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250093121] [2023-04-03 09:22:25,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250093121] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 09:22:25,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945112504] [2023-04-03 09:22:25,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:25,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 09:22:25,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 09:22:25,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 09:22:25,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 09:22:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:26,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-03 09:22:26,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 09:22:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-04-03 09:22:26,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 09:22:26,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945112504] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:26,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 09:22:26,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-04-03 09:22:26,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040745054] [2023-04-03 09:22:26,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:26,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 09:22:26,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:26,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 09:22:26,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-03 09:22:26,592 INFO L87 Difference]: Start difference. First operand 1914 states and 2333 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 09:22:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:27,351 INFO L93 Difference]: Finished difference Result 3512 states and 4256 transitions. [2023-04-03 09:22:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 09:22:27,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 181 [2023-04-03 09:22:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:27,360 INFO L225 Difference]: With dead ends: 3512 [2023-04-03 09:22:27,360 INFO L226 Difference]: Without dead ends: 1939 [2023-04-03 09:22:27,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-03 09:22:27,364 INFO L413 NwaCegarLoop]: 1953 mSDtfsCounter, 2016 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:27,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 2022 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 09:22:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2023-04-03 09:22:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1937. [2023-04-03 09:22:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 974 states have (on average 1.1529774127310062) internal successors, (1123), 1029 states have internal predecessors, (1123), 617 states have call successors, (617), 330 states have call predecessors, (617), 327 states have return successors, (614), 602 states have call predecessors, (614), 610 states have call successors, (614) [2023-04-03 09:22:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2354 transitions. [2023-04-03 09:22:27,491 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2354 transitions. Word has length 181 [2023-04-03 09:22:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:27,491 INFO L495 AbstractCegarLoop]: Abstraction has 1937 states and 2354 transitions. [2023-04-03 09:22:27,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 09:22:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2354 transitions. [2023-04-03 09:22:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 09:22:27,493 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:27,493 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:27,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 09:22:27,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-03 09:22:27,705 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_rwlock__write_lock_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:27,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 632033858, now seen corresponding path program 1 times [2023-04-03 09:22:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:27,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910000446] [2023-04-03 09:22:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:27,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910000446] [2023-04-03 09:22:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910000446] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:27,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:27,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453607571] [2023-04-03 09:22:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:27,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:27,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:27,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:27,952 INFO L87 Difference]: Start difference. First operand 1937 states and 2354 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 09:22:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:29,880 INFO L93 Difference]: Finished difference Result 1937 states and 2354 transitions. [2023-04-03 09:22:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:29,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 154 [2023-04-03 09:22:29,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:29,887 INFO L225 Difference]: With dead ends: 1937 [2023-04-03 09:22:29,887 INFO L226 Difference]: Without dead ends: 1935 [2023-04-03 09:22:29,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:29,888 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 2074 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 5782 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:29,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 5782 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 09:22:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2023-04-03 09:22:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1935. [2023-04-03 09:22:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1935 states, 973 states have (on average 1.1521068859198356) internal successors, (1121), 1027 states have internal predecessors, (1121), 617 states have call successors, (617), 330 states have call predecessors, (617), 327 states have return successors, (614), 602 states have call predecessors, (614), 610 states have call successors, (614) [2023-04-03 09:22:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2352 transitions. [2023-04-03 09:22:30,034 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2352 transitions. Word has length 154 [2023-04-03 09:22:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:30,034 INFO L495 AbstractCegarLoop]: Abstraction has 1935 states and 2352 transitions. [2023-04-03 09:22:30,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 09:22:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2352 transitions. [2023-04-03 09:22:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-03 09:22:30,036 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:30,036 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:30,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 09:22:30,036 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_alloc_usb_lock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:30,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash -883716380, now seen corresponding path program 1 times [2023-04-03 09:22:30,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:30,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094823464] [2023-04-03 09:22:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:30,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-04-03 09:22:30,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:30,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094823464] [2023-04-03 09:22:30,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094823464] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:30,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:30,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 09:22:30,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765493932] [2023-04-03 09:22:30,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:30,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 09:22:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:30,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 09:22:30,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:22:30,271 INFO L87 Difference]: Start difference. First operand 1935 states and 2352 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 09:22:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:31,148 INFO L93 Difference]: Finished difference Result 3734 states and 4581 transitions. [2023-04-03 09:22:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 09:22:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 189 [2023-04-03 09:22:31,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:31,156 INFO L225 Difference]: With dead ends: 3734 [2023-04-03 09:22:31,156 INFO L226 Difference]: Without dead ends: 1923 [2023-04-03 09:22:31,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 09:22:31,160 INFO L413 NwaCegarLoop]: 1922 mSDtfsCounter, 2023 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:31,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 1923 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 09:22:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2023-04-03 09:22:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1923. [2023-04-03 09:22:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 966 states have (on average 1.1490683229813665) internal successors, (1110), 1017 states have internal predecessors, (1110), 615 states have call successors, (615), 328 states have call predecessors, (615), 325 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2337 transitions. [2023-04-03 09:22:31,331 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2337 transitions. Word has length 189 [2023-04-03 09:22:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:31,331 INFO L495 AbstractCegarLoop]: Abstraction has 1923 states and 2337 transitions. [2023-04-03 09:22:31,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 09:22:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2337 transitions. [2023-04-03 09:22:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-03 09:22:31,333 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:31,333 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:31,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 09:22:31,333 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_module__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:31,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1321359642, now seen corresponding path program 1 times [2023-04-03 09:22:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:31,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286319340] [2023-04-03 09:22:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:22:31,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:31,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286319340] [2023-04-03 09:22:31,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286319340] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:31,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:31,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:31,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389299402] [2023-04-03 09:22:31,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:31,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:31,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:31,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:31,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:31,562 INFO L87 Difference]: Start difference. First operand 1923 states and 2337 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 09:22:33,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:33,152 INFO L93 Difference]: Finished difference Result 1923 states and 2337 transitions. [2023-04-03 09:22:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:33,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 188 [2023-04-03 09:22:33,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:33,159 INFO L225 Difference]: With dead ends: 1923 [2023-04-03 09:22:33,159 INFO L226 Difference]: Without dead ends: 1921 [2023-04-03 09:22:33,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:33,160 INFO L413 NwaCegarLoop]: 1918 mSDtfsCounter, 2060 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 5752 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:33,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 5752 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 09:22:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2023-04-03 09:22:33,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1921. [2023-04-03 09:22:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 965 states have (on average 1.1481865284974093) internal successors, (1108), 1015 states have internal predecessors, (1108), 615 states have call successors, (615), 328 states have call predecessors, (615), 325 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2335 transitions. [2023-04-03 09:22:33,302 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2335 transitions. Word has length 188 [2023-04-03 09:22:33,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:33,302 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 2335 transitions. [2023-04-03 09:22:33,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-03 09:22:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2335 transitions. [2023-04-03 09:22:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-03 09:22:33,304 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:33,304 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:33,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 09:22:33,304 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_rcu_update_lock_bh__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:33,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:33,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1963285284, now seen corresponding path program 1 times [2023-04-03 09:22:33,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:33,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842052586] [2023-04-03 09:22:33,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:33,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:33,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:33,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842052586] [2023-04-03 09:22:33,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842052586] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:33,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:33,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:33,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945069728] [2023-04-03 09:22:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:33,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:33,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:33,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:33,545 INFO L87 Difference]: Start difference. First operand 1921 states and 2335 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 09:22:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:35,321 INFO L93 Difference]: Finished difference Result 1921 states and 2335 transitions. [2023-04-03 09:22:35,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:35,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 170 [2023-04-03 09:22:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:35,328 INFO L225 Difference]: With dead ends: 1921 [2023-04-03 09:22:35,328 INFO L226 Difference]: Without dead ends: 1919 [2023-04-03 09:22:35,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:35,329 INFO L413 NwaCegarLoop]: 1916 mSDtfsCounter, 2061 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 5746 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:35,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 5746 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2023-04-03 09:22:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1919. [2023-04-03 09:22:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 964 states have (on average 1.1473029045643153) internal successors, (1106), 1013 states have internal predecessors, (1106), 615 states have call successors, (615), 328 states have call predecessors, (615), 325 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2333 transitions. [2023-04-03 09:22:35,465 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2333 transitions. Word has length 170 [2023-04-03 09:22:35,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:35,465 INFO L495 AbstractCegarLoop]: Abstraction has 1919 states and 2333 transitions. [2023-04-03 09:22:35,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 09:22:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2333 transitions. [2023-04-03 09:22:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 09:22:35,467 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:35,467 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:35,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 09:22:35,467 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:35,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:35,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1566176416, now seen corresponding path program 1 times [2023-04-03 09:22:35,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:35,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652096202] [2023-04-03 09:22:35,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:35,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-04-03 09:22:36,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652096202] [2023-04-03 09:22:36,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652096202] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:36,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:36,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:22:36,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888254512] [2023-04-03 09:22:36,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:36,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:22:36,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:36,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:22:36,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:22:36,189 INFO L87 Difference]: Start difference. First operand 1919 states and 2333 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 09:22:41,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:41,359 INFO L93 Difference]: Finished difference Result 1949 states and 2360 transitions. [2023-04-03 09:22:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 09:22:41,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 186 [2023-04-03 09:22:41,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:41,366 INFO L225 Difference]: With dead ends: 1949 [2023-04-03 09:22:41,366 INFO L226 Difference]: Without dead ends: 1947 [2023-04-03 09:22:41,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-04-03 09:22:41,367 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 1889 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 4810 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 6922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 4810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:41,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 1565 Invalid, 6922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 4810 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-03 09:22:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2023-04-03 09:22:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1941. [2023-04-03 09:22:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 980 states have (on average 1.146938775510204) internal successors, (1124), 1029 states have internal predecessors, (1124), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2351 transitions. [2023-04-03 09:22:41,529 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2351 transitions. Word has length 186 [2023-04-03 09:22:41,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:41,530 INFO L495 AbstractCegarLoop]: Abstraction has 1941 states and 2351 transitions. [2023-04-03 09:22:41,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (44), 4 states have call predecessors, (44), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 09:22:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2351 transitions. [2023-04-03 09:22:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 09:22:41,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:41,532 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:41,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 09:22:41,532 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_rcu_update_lock_sched__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:41,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1000382238, now seen corresponding path program 1 times [2023-04-03 09:22:41,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:41,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124265803] [2023-04-03 09:22:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:22:41,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:41,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124265803] [2023-04-03 09:22:41,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124265803] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:41,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:41,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:41,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069926643] [2023-04-03 09:22:41,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:41,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:41,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:41,760 INFO L87 Difference]: Start difference. First operand 1941 states and 2351 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 09:22:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:43,642 INFO L93 Difference]: Finished difference Result 1941 states and 2351 transitions. [2023-04-03 09:22:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:43,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 204 [2023-04-03 09:22:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:43,649 INFO L225 Difference]: With dead ends: 1941 [2023-04-03 09:22:43,649 INFO L226 Difference]: Without dead ends: 1939 [2023-04-03 09:22:43,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:43,650 INFO L413 NwaCegarLoop]: 1914 mSDtfsCounter, 2054 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 5740 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:43,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 5740 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 09:22:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2023-04-03 09:22:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1939. [2023-04-03 09:22:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1939 states, 979 states have (on average 1.146067415730337) internal successors, (1122), 1027 states have internal predecessors, (1122), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2349 transitions. [2023-04-03 09:22:43,819 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2349 transitions. Word has length 204 [2023-04-03 09:22:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:43,819 INFO L495 AbstractCegarLoop]: Abstraction has 1939 states and 2349 transitions. [2023-04-03 09:22:43,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 09:22:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2349 transitions. [2023-04-03 09:22:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 09:22:43,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:43,821 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:43,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 09:22:43,822 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_rcu_update_lock__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:43,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash -444854238, now seen corresponding path program 1 times [2023-04-03 09:22:43,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:43,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560891674] [2023-04-03 09:22:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:43,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:44,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:44,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560891674] [2023-04-03 09:22:44,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560891674] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:44,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:44,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:44,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900164994] [2023-04-03 09:22:44,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:44,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:44,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:44,050 INFO L87 Difference]: Start difference. First operand 1939 states and 2349 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 09:22:45,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:45,826 INFO L93 Difference]: Finished difference Result 1939 states and 2349 transitions. [2023-04-03 09:22:45,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:45,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 186 [2023-04-03 09:22:45,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:45,832 INFO L225 Difference]: With dead ends: 1939 [2023-04-03 09:22:45,832 INFO L226 Difference]: Without dead ends: 1937 [2023-04-03 09:22:45,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:45,833 INFO L413 NwaCegarLoop]: 1912 mSDtfsCounter, 2055 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 5734 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:45,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 5734 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1937 states. [2023-04-03 09:22:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1937 to 1937. [2023-04-03 09:22:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 978 states have (on average 1.1451942740286298) internal successors, (1120), 1025 states have internal predecessors, (1120), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2347 transitions. [2023-04-03 09:22:46,002 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2347 transitions. Word has length 186 [2023-04-03 09:22:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:46,002 INFO L495 AbstractCegarLoop]: Abstraction has 1937 states and 2347 transitions. [2023-04-03 09:22:46,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-03 09:22:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2347 transitions. [2023-04-03 09:22:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 09:22:46,004 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:46,004 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:46,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-03 09:22:46,004 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_rcu_srcu__locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:46,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:46,005 INFO L85 PathProgramCache]: Analyzing trace with hash -902240074, now seen corresponding path program 1 times [2023-04-03 09:22:46,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:46,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935277100] [2023-04-03 09:22:46,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:46,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:46,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935277100] [2023-04-03 09:22:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935277100] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:46,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922087830] [2023-04-03 09:22:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:46,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:46,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:46,269 INFO L87 Difference]: Start difference. First operand 1937 states and 2347 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 09:22:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:48,312 INFO L93 Difference]: Finished difference Result 1937 states and 2347 transitions. [2023-04-03 09:22:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:48,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 194 [2023-04-03 09:22:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:48,317 INFO L225 Difference]: With dead ends: 1937 [2023-04-03 09:22:48,317 INFO L226 Difference]: Without dead ends: 1935 [2023-04-03 09:22:48,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:48,318 INFO L413 NwaCegarLoop]: 1910 mSDtfsCounter, 2052 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 5728 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:48,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 5728 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 09:22:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2023-04-03 09:22:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1935. [2023-04-03 09:22:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1935 states, 977 states have (on average 1.1443193449334699) internal successors, (1118), 1023 states have internal predecessors, (1118), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2345 transitions. [2023-04-03 09:22:48,491 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2345 transitions. Word has length 194 [2023-04-03 09:22:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:48,491 INFO L495 AbstractCegarLoop]: Abstraction has 1935 states and 2345 transitions. [2023-04-03 09:22:48,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-03 09:22:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2345 transitions. [2023-04-03 09:22:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-03 09:22:48,493 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:48,493 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:48,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-03 09:22:48,493 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:48,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:48,494 INFO L85 PathProgramCache]: Analyzing trace with hash 652675131, now seen corresponding path program 1 times [2023-04-03 09:22:48,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:48,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542114294] [2023-04-03 09:22:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:48,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-04-03 09:22:48,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:48,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542114294] [2023-04-03 09:22:48,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542114294] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:48,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:48,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:48,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614395690] [2023-04-03 09:22:48,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:48,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:48,828 INFO L87 Difference]: Start difference. First operand 1935 states and 2345 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 09:22:51,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:51,279 INFO L93 Difference]: Finished difference Result 1937 states and 2346 transitions. [2023-04-03 09:22:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:22:51,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 211 [2023-04-03 09:22:51,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:51,287 INFO L225 Difference]: With dead ends: 1937 [2023-04-03 09:22:51,287 INFO L226 Difference]: Without dead ends: 1935 [2023-04-03 09:22:51,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:51,288 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 48 mSDsluCounter, 5691 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 7602 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:51,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 7602 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-03 09:22:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2023-04-03 09:22:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1935. [2023-04-03 09:22:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1935 states, 977 states have (on average 1.1422722620266121) internal successors, (1116), 1023 states have internal predecessors, (1116), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2343 transitions. [2023-04-03 09:22:51,479 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2343 transitions. Word has length 211 [2023-04-03 09:22:51,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:51,479 INFO L495 AbstractCegarLoop]: Abstraction has 1935 states and 2343 transitions. [2023-04-03 09:22:51,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 09:22:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2343 transitions. [2023-04-03 09:22:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 09:22:51,481 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:51,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:51,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-04-03 09:22:51,482 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:51,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1887810621, now seen corresponding path program 1 times [2023-04-03 09:22:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:51,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711009025] [2023-04-03 09:22:51,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:22:51,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711009025] [2023-04-03 09:22:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711009025] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:51,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:51,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:51,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659872349] [2023-04-03 09:22:51,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:51,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:51,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:51,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:51,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:51,746 INFO L87 Difference]: Start difference. First operand 1935 states and 2343 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 09:22:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:54,076 INFO L93 Difference]: Finished difference Result 1935 states and 2343 transitions. [2023-04-03 09:22:54,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:54,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 228 [2023-04-03 09:22:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:54,082 INFO L225 Difference]: With dead ends: 1935 [2023-04-03 09:22:54,082 INFO L226 Difference]: Without dead ends: 1933 [2023-04-03 09:22:54,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:54,083 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 2045 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 5722 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:54,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 5722 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 09:22:54,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2023-04-03 09:22:54,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1933. [2023-04-03 09:22:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 976 states have (on average 1.1413934426229508) internal successors, (1114), 1021 states have internal predecessors, (1114), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2341 transitions. [2023-04-03 09:22:54,279 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2341 transitions. Word has length 228 [2023-04-03 09:22:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:54,279 INFO L495 AbstractCegarLoop]: Abstraction has 1933 states and 2341 transitions. [2023-04-03 09:22:54,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 09:22:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2341 transitions. [2023-04-03 09:22:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-03 09:22:54,281 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:54,281 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:54,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-04-03 09:22:54,282 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_mmc_sdio_func__unreleased_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:54,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash 56197641, now seen corresponding path program 1 times [2023-04-03 09:22:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093335876] [2023-04-03 09:22:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:22:54,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:54,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093335876] [2023-04-03 09:22:54,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093335876] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:54,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:54,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:54,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036850267] [2023-04-03 09:22:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:54,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:54,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:54,619 INFO L87 Difference]: Start difference. First operand 1933 states and 2341 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 09:22:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:56,341 INFO L93 Difference]: Finished difference Result 1933 states and 2341 transitions. [2023-04-03 09:22:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 236 [2023-04-03 09:22:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:56,346 INFO L225 Difference]: With dead ends: 1933 [2023-04-03 09:22:56,346 INFO L226 Difference]: Without dead ends: 1931 [2023-04-03 09:22:56,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:56,347 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 2042 mSDsluCounter, 3810 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:56,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 5716 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 09:22:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2023-04-03 09:22:56,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1931. [2023-04-03 09:22:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 975 states have (on average 1.1405128205128205) internal successors, (1112), 1019 states have internal predecessors, (1112), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2339 transitions. [2023-04-03 09:22:56,551 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2339 transitions. Word has length 236 [2023-04-03 09:22:56,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:56,552 INFO L495 AbstractCegarLoop]: Abstraction has 1931 states and 2339 transitions. [2023-04-03 09:22:56,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 09:22:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2339 transitions. [2023-04-03 09:22:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-04-03 09:22:56,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:56,554 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:56,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-04-03 09:22:56,554 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_net_rtnetlink__lock_on_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:56,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:56,555 INFO L85 PathProgramCache]: Analyzing trace with hash -324646328, now seen corresponding path program 1 times [2023-04-03 09:22:56,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:56,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899444850] [2023-04-03 09:22:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:22:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:22:56,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:22:56,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899444850] [2023-04-03 09:22:56,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899444850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:22:56,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:22:56,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:22:56,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406595491] [2023-04-03 09:22:56,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:22:56,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:22:56,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:22:56,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:22:56,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:22:56,795 INFO L87 Difference]: Start difference. First operand 1931 states and 2339 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-04-03 09:22:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:22:58,584 INFO L93 Difference]: Finished difference Result 1931 states and 2339 transitions. [2023-04-03 09:22:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:22:58,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 218 [2023-04-03 09:22:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:22:58,589 INFO L225 Difference]: With dead ends: 1931 [2023-04-03 09:22:58,589 INFO L226 Difference]: Without dead ends: 1929 [2023-04-03 09:22:58,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:22:58,590 INFO L413 NwaCegarLoop]: 1904 mSDtfsCounter, 2043 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 5710 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:22:58,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 5710 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:22:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2023-04-03 09:22:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1929. [2023-04-03 09:22:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 974 states have (on average 1.1396303901437372) internal successors, (1110), 1017 states have internal predecessors, (1110), 615 states have call successors, (615), 334 states have call predecessors, (615), 331 states have return successors, (612), 600 states have call predecessors, (612), 608 states have call successors, (612) [2023-04-03 09:22:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2337 transitions. [2023-04-03 09:22:58,794 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2337 transitions. Word has length 218 [2023-04-03 09:22:58,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:22:58,794 INFO L495 AbstractCegarLoop]: Abstraction has 1929 states and 2337 transitions. [2023-04-03 09:22:58,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (57), 3 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-04-03 09:22:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2337 transitions. [2023-04-03 09:22:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 09:22:58,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:22:58,796 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:22:58,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-04-03 09:22:58,796 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:22:58,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:22:58,797 INFO L85 PathProgramCache]: Analyzing trace with hash 583629243, now seen corresponding path program 1 times [2023-04-03 09:22:58,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:22:58,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459479319] [2023-04-03 09:22:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:22:58,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:22:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-04-03 09:23:00,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:00,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459479319] [2023-04-03 09:23:00,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459479319] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:00,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:00,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:23:00,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631452932] [2023-04-03 09:23:00,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:00,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:23:00,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:00,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:23:00,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:23:00,282 INFO L87 Difference]: Start difference. First operand 1929 states and 2337 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-03 09:23:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:09,415 INFO L93 Difference]: Finished difference Result 4488 states and 5379 transitions. [2023-04-03 09:23:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 09:23:09,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 239 [2023-04-03 09:23:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:09,425 INFO L225 Difference]: With dead ends: 4488 [2023-04-03 09:23:09,425 INFO L226 Difference]: Without dead ends: 3363 [2023-04-03 09:23:09,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-03 09:23:09,429 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 1883 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 8335 mSolverCounterSat, 1315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 9650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1315 IncrementalHoareTripleChecker+Valid, 8335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:09,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 3337 Invalid, 9650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1315 Valid, 8335 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-04-03 09:23:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3363 states. [2023-04-03 09:23:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3363 to 2988. [2023-04-03 09:23:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 1525 states have (on average 1.1429508196721312) internal successors, (1743), 1598 states have internal predecessors, (1743), 910 states have call successors, (910), 542 states have call predecessors, (910), 544 states have return successors, (941), 872 states have call predecessors, (941), 902 states have call successors, (941) [2023-04-03 09:23:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3594 transitions. [2023-04-03 09:23:09,803 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3594 transitions. Word has length 239 [2023-04-03 09:23:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:09,803 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 3594 transitions. [2023-04-03 09:23:09,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-03 09:23:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3594 transitions. [2023-04-03 09:23:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-03 09:23:09,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:09,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:09,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-04-03 09:23:09,806 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_net_sock__all_locked_sockets_must_be_releasedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:09,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1947403233, now seen corresponding path program 1 times [2023-04-03 09:23:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:09,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097300575] [2023-04-03 09:23:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:23:10,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:10,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097300575] [2023-04-03 09:23:10,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097300575] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:10,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:10,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:23:10,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10910544] [2023-04-03 09:23:10,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:10,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:23:10,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:10,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:23:10,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:23:10,043 INFO L87 Difference]: Start difference. First operand 2988 states and 3594 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 09:23:12,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:12,190 INFO L93 Difference]: Finished difference Result 2988 states and 3594 transitions. [2023-04-03 09:23:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:23:12,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 226 [2023-04-03 09:23:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:12,198 INFO L225 Difference]: With dead ends: 2988 [2023-04-03 09:23:12,198 INFO L226 Difference]: Without dead ends: 2986 [2023-04-03 09:23:12,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:12,200 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2040 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 5704 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:12,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 5704 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 09:23:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2023-04-03 09:23:12,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2023-04-03 09:23:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 1524 states have (on average 1.141732283464567) internal successors, (1740), 1596 states have internal predecessors, (1740), 910 states have call successors, (910), 542 states have call predecessors, (910), 544 states have return successors, (941), 872 states have call predecessors, (941), 902 states have call successors, (941) [2023-04-03 09:23:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3591 transitions. [2023-04-03 09:23:12,590 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3591 transitions. Word has length 226 [2023-04-03 09:23:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:12,590 INFO L495 AbstractCegarLoop]: Abstraction has 2986 states and 3591 transitions. [2023-04-03 09:23:12,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (59), 3 states have call predecessors, (59), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-03 09:23:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3591 transitions. [2023-04-03 09:23:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-04-03 09:23:12,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:12,593 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:12,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-04-03 09:23:12,593 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:12,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:12,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1895590098, now seen corresponding path program 1 times [2023-04-03 09:23:12,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:12,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750542168] [2023-04-03 09:23:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:12,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-04-03 09:23:14,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:14,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750542168] [2023-04-03 09:23:14,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750542168] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:14,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:14,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 09:23:14,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597696199] [2023-04-03 09:23:14,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:14,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 09:23:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:14,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 09:23:14,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:23:14,292 INFO L87 Difference]: Start difference. First operand 2986 states and 3591 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-03 09:23:25,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:25,672 INFO L93 Difference]: Finished difference Result 5471 states and 6547 transitions. [2023-04-03 09:23:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-03 09:23:25,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 240 [2023-04-03 09:23:25,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:25,681 INFO L225 Difference]: With dead ends: 5471 [2023-04-03 09:23:25,682 INFO L226 Difference]: Without dead ends: 3368 [2023-04-03 09:23:25,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-04-03 09:23:25,687 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 1547 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 9378 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 4390 SdHoareTripleChecker+Invalid, 10453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 9378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:25,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 4390 Invalid, 10453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 9378 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-04-03 09:23:25,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2023-04-03 09:23:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3021. [2023-04-03 09:23:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3021 states, 1545 states have (on average 1.1436893203883496) internal successors, (1767), 1618 states have internal predecessors, (1767), 922 states have call successors, (922), 542 states have call predecessors, (922), 546 states have return successors, (955), 885 states have call predecessors, (955), 914 states have call successors, (955) [2023-04-03 09:23:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 3644 transitions. [2023-04-03 09:23:26,114 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 3644 transitions. Word has length 240 [2023-04-03 09:23:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:26,115 INFO L495 AbstractCegarLoop]: Abstraction has 3021 states and 3644 transitions. [2023-04-03 09:23:26,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-03 09:23:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3644 transitions. [2023-04-03 09:23:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-04-03 09:23:26,117 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:26,117 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:26,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-04-03 09:23:26,118 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:26,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash 697840532, now seen corresponding path program 1 times [2023-04-03 09:23:26,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:26,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298033975] [2023-04-03 09:23:26,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:26,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-04-03 09:23:26,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298033975] [2023-04-03 09:23:26,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298033975] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:26,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:26,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:23:26,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227761781] [2023-04-03 09:23:26,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:26,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:23:26,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:26,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:23:26,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:23:26,540 INFO L87 Difference]: Start difference. First operand 3021 states and 3644 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 09:23:29,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:29,226 INFO L93 Difference]: Finished difference Result 3037 states and 3654 transitions. [2023-04-03 09:23:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:23:29,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 241 [2023-04-03 09:23:29,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:29,234 INFO L225 Difference]: With dead ends: 3037 [2023-04-03 09:23:29,235 INFO L226 Difference]: Without dead ends: 3035 [2023-04-03 09:23:29,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:29,236 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 439 mSDsluCounter, 5756 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 7790 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:29,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 7790 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 09:23:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2023-04-03 09:23:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3025. [2023-04-03 09:23:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 1548 states have (on average 1.1421188630490957) internal successors, (1768), 1621 states have internal predecessors, (1768), 922 states have call successors, (922), 543 states have call predecessors, (922), 547 states have return successors, (955), 885 states have call predecessors, (955), 914 states have call successors, (955) [2023-04-03 09:23:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 3645 transitions. [2023-04-03 09:23:29,626 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 3645 transitions. Word has length 241 [2023-04-03 09:23:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:29,627 INFO L495 AbstractCegarLoop]: Abstraction has 3025 states and 3645 transitions. [2023-04-03 09:23:29,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-03 09:23:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3645 transitions. [2023-04-03 09:23:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-04-03 09:23:29,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:29,629 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:29,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-04-03 09:23:29,630 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_usb_coherent__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:29,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash 9740639, now seen corresponding path program 1 times [2023-04-03 09:23:29,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:29,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842011249] [2023-04-03 09:23:29,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:29,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 09:23:29,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842011249] [2023-04-03 09:23:29,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842011249] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:29,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:29,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:23:29,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595505832] [2023-04-03 09:23:29,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:29,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:23:29,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:23:29,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:23:29,855 INFO L87 Difference]: Start difference. First operand 3025 states and 3645 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (68), 3 states have call predecessors, (68), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-03 09:23:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:31,984 INFO L93 Difference]: Finished difference Result 3025 states and 3645 transitions. [2023-04-03 09:23:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:23:31,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (68), 3 states have call predecessors, (68), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 260 [2023-04-03 09:23:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:31,992 INFO L225 Difference]: With dead ends: 3025 [2023-04-03 09:23:31,992 INFO L226 Difference]: Without dead ends: 3023 [2023-04-03 09:23:31,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:31,993 INFO L413 NwaCegarLoop]: 1900 mSDtfsCounter, 2033 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 5698 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:31,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 5698 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 09:23:31,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3023 states. [2023-04-03 09:23:32,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3023 to 3023. [2023-04-03 09:23:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3023 states, 1547 states have (on average 1.140917905623788) internal successors, (1765), 1619 states have internal predecessors, (1765), 922 states have call successors, (922), 543 states have call predecessors, (922), 547 states have return successors, (955), 885 states have call predecessors, (955), 914 states have call successors, (955) [2023-04-03 09:23:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 3023 states and 3642 transitions. [2023-04-03 09:23:32,401 INFO L78 Accepts]: Start accepts. Automaton has 3023 states and 3642 transitions. Word has length 260 [2023-04-03 09:23:32,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:32,401 INFO L495 AbstractCegarLoop]: Abstraction has 3023 states and 3642 transitions. [2023-04-03 09:23:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (68), 3 states have call predecessors, (68), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-03 09:23:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 3642 transitions. [2023-04-03 09:23:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-04-03 09:23:32,404 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:32,404 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:32,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-04-03 09:23:32,405 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:32,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:32,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2038542904, now seen corresponding path program 1 times [2023-04-03 09:23:32,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:32,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691179223] [2023-04-03 09:23:32,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:32,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-04-03 09:23:32,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:32,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691179223] [2023-04-03 09:23:32,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691179223] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:32,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:32,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:23:32,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108632438] [2023-04-03 09:23:32,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:32,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:23:32,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:32,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:23:32,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:23:32,879 INFO L87 Difference]: Start difference. First operand 3023 states and 3642 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-03 09:23:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:36,051 INFO L93 Difference]: Finished difference Result 5221 states and 6269 transitions. [2023-04-03 09:23:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:23:36,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 251 [2023-04-03 09:23:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:36,060 INFO L225 Difference]: With dead ends: 5221 [2023-04-03 09:23:36,060 INFO L226 Difference]: Without dead ends: 3047 [2023-04-03 09:23:36,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:36,066 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 3 mSDsluCounter, 7609 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9517 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:36,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9517 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 09:23:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2023-04-03 09:23:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3036. [2023-04-03 09:23:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 1554 states have (on average 1.138996138996139) internal successors, (1770), 1626 states have internal predecessors, (1770), 925 states have call successors, (925), 543 states have call predecessors, (925), 550 states have return successors, (961), 891 states have call predecessors, (961), 917 states have call successors, (961) [2023-04-03 09:23:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 3656 transitions. [2023-04-03 09:23:36,522 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 3656 transitions. Word has length 251 [2023-04-03 09:23:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:36,522 INFO L495 AbstractCegarLoop]: Abstraction has 3036 states and 3656 transitions. [2023-04-03 09:23:36,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-03 09:23:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 3656 transitions. [2023-04-03 09:23:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-03 09:23:36,526 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:36,526 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:36,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-04-03 09:23:36,526 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:36,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1474354514, now seen corresponding path program 1 times [2023-04-03 09:23:36,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:36,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593173684] [2023-04-03 09:23:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:36,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-04-03 09:23:37,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:37,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593173684] [2023-04-03 09:23:37,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593173684] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:37,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:37,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 09:23:37,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254298959] [2023-04-03 09:23:37,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:37,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 09:23:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 09:23:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 09:23:37,353 INFO L87 Difference]: Start difference. First operand 3036 states and 3656 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-03 09:23:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:43,957 INFO L93 Difference]: Finished difference Result 3926 states and 4806 transitions. [2023-04-03 09:23:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 09:23:43,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 250 [2023-04-03 09:23:43,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:43,967 INFO L225 Difference]: With dead ends: 3926 [2023-04-03 09:23:43,968 INFO L226 Difference]: Without dead ends: 3924 [2023-04-03 09:23:43,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-04-03 09:23:43,969 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 2264 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 1994 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 2190 SdHoareTripleChecker+Invalid, 7663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1994 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:43,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 2190 Invalid, 7663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1994 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-03 09:23:43,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2023-04-03 09:23:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3773. [2023-04-03 09:23:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 1942 states have (on average 1.1446961894953656) internal successors, (2223), 2031 states have internal predecessors, (2223), 1142 states have call successors, (1142), 676 states have call predecessors, (1142), 682 states have return successors, (1193), 1095 states have call predecessors, (1193), 1134 states have call successors, (1193) [2023-04-03 09:23:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 4558 transitions. [2023-04-03 09:23:44,488 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 4558 transitions. Word has length 250 [2023-04-03 09:23:44,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:44,489 INFO L495 AbstractCegarLoop]: Abstraction has 3773 states and 4558 transitions. [2023-04-03 09:23:44,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-03 09:23:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 4558 transitions. [2023-04-03 09:23:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-04-03 09:23:44,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:44,491 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:44,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-04-03 09:23:44,492 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_usb_gadget__usb_gadget_registered_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:44,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:44,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1636730858, now seen corresponding path program 1 times [2023-04-03 09:23:44,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:44,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788387672] [2023-04-03 09:23:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:44,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:23:44,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:44,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788387672] [2023-04-03 09:23:44,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788387672] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:44,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:44,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:23:44,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81041507] [2023-04-03 09:23:44,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:44,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:23:44,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:23:44,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:23:44,686 INFO L87 Difference]: Start difference. First operand 3773 states and 4558 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 09:23:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:47,076 INFO L93 Difference]: Finished difference Result 3773 states and 4558 transitions. [2023-04-03 09:23:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:23:47,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 242 [2023-04-03 09:23:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:47,085 INFO L225 Difference]: With dead ends: 3773 [2023-04-03 09:23:47,085 INFO L226 Difference]: Without dead ends: 3771 [2023-04-03 09:23:47,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:47,086 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 2034 mSDsluCounter, 3794 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 5692 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:47,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 5692 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 09:23:47,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2023-04-03 09:23:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3771. [2023-04-03 09:23:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3771 states, 1941 states have (on average 1.1437403400309119) internal successors, (2220), 2029 states have internal predecessors, (2220), 1142 states have call successors, (1142), 676 states have call predecessors, (1142), 682 states have return successors, (1193), 1095 states have call predecessors, (1193), 1134 states have call successors, (1193) [2023-04-03 09:23:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 4555 transitions. [2023-04-03 09:23:47,609 INFO L78 Accepts]: Start accepts. Automaton has 3771 states and 4555 transitions. Word has length 242 [2023-04-03 09:23:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:47,610 INFO L495 AbstractCegarLoop]: Abstraction has 3771 states and 4555 transitions. [2023-04-03 09:23:47,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 09:23:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3771 states and 4555 transitions. [2023-04-03 09:23:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-03 09:23:47,612 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:47,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:47,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-04-03 09:23:47,613 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_usb_urb__more_initial_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:47,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1326930939, now seen corresponding path program 1 times [2023-04-03 09:23:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810383708] [2023-04-03 09:23:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:47,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 09:23:48,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:48,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810383708] [2023-04-03 09:23:48,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810383708] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:48,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:48,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 09:23:48,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245594774] [2023-04-03 09:23:48,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:48,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 09:23:48,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:48,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 09:23:48,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:23:48,034 INFO L87 Difference]: Start difference. First operand 3771 states and 4555 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 6 states have internal predecessors, (117), 4 states have call successors, (65), 5 states have call predecessors, (65), 3 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-04-03 09:23:55,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:23:55,881 INFO L93 Difference]: Finished difference Result 6971 states and 8525 transitions. [2023-04-03 09:23:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 09:23:55,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 6 states have internal predecessors, (117), 4 states have call successors, (65), 5 states have call predecessors, (65), 3 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 250 [2023-04-03 09:23:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:23:55,900 INFO L225 Difference]: With dead ends: 6971 [2023-04-03 09:23:55,900 INFO L226 Difference]: Without dead ends: 6548 [2023-04-03 09:23:55,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-04-03 09:23:55,905 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2836 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 6984 mSolverCounterSat, 2132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 9116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 6984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:23:55,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 1886 Invalid, 9116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2132 Valid, 6984 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 09:23:55,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2023-04-03 09:23:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6469. [2023-04-03 09:23:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6469 states, 3344 states have (on average 1.1501196172248804) internal successors, (3846), 3510 states have internal predecessors, (3846), 1969 states have call successors, (1969), 1116 states have call predecessors, (1969), 1150 states have return successors, (2132), 1893 states have call predecessors, (2132), 1961 states have call successors, (2132) [2023-04-03 09:23:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6469 states to 6469 states and 7947 transitions. [2023-04-03 09:23:56,893 INFO L78 Accepts]: Start accepts. Automaton has 6469 states and 7947 transitions. Word has length 250 [2023-04-03 09:23:56,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:23:56,894 INFO L495 AbstractCegarLoop]: Abstraction has 6469 states and 7947 transitions. [2023-04-03 09:23:56,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 6 states have internal predecessors, (117), 4 states have call successors, (65), 5 states have call predecessors, (65), 3 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-04-03 09:23:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6469 states and 7947 transitions. [2023-04-03 09:23:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-04-03 09:23:56,896 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:23:56,896 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:23:56,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-04-03 09:23:56,897 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:23:56,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:23:56,897 INFO L85 PathProgramCache]: Analyzing trace with hash -630322457, now seen corresponding path program 1 times [2023-04-03 09:23:56,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:23:56,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99885253] [2023-04-03 09:23:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:23:56,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:23:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:23:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-04-03 09:23:57,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:23:57,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99885253] [2023-04-03 09:23:57,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99885253] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:23:57,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:23:57,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:23:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369627785] [2023-04-03 09:23:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:23:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:23:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:23:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:23:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:23:57,331 INFO L87 Difference]: Start difference. First operand 6469 states and 7947 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2023-04-03 09:24:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:24:00,324 INFO L93 Difference]: Finished difference Result 6673 states and 8135 transitions. [2023-04-03 09:24:00,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 09:24:00,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) Word has length 265 [2023-04-03 09:24:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:24:00,340 INFO L225 Difference]: With dead ends: 6673 [2023-04-03 09:24:00,341 INFO L226 Difference]: Without dead ends: 6671 [2023-04-03 09:24:00,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:24:00,344 INFO L413 NwaCegarLoop]: 2096 mSDtfsCounter, 378 mSDsluCounter, 6015 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 8111 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-03 09:24:00,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 8111 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-03 09:24:00,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2023-04-03 09:24:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 6661. [2023-04-03 09:24:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6661 states, 3448 states have (on average 1.146751740139211) internal successors, (3954), 3614 states have internal predecessors, (3954), 2003 states have call successors, (2003), 1174 states have call predecessors, (2003), 1204 states have return successors, (2166), 1923 states have call predecessors, (2166), 1995 states have call successors, (2166) [2023-04-03 09:24:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6661 states to 6661 states and 8123 transitions. [2023-04-03 09:24:01,338 INFO L78 Accepts]: Start accepts. Automaton has 6661 states and 8123 transitions. Word has length 265 [2023-04-03 09:24:01,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:24:01,338 INFO L495 AbstractCegarLoop]: Abstraction has 6661 states and 8123 transitions. [2023-04-03 09:24:01,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (52), 2 states have call predecessors, (52), 1 states have call successors, (52) [2023-04-03 09:24:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6661 states and 8123 transitions. [2023-04-03 09:24:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-04-03 09:24:01,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:24:01,340 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:24:01,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-04-03 09:24:01,340 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:24:01,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:24:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash 841874623, now seen corresponding path program 1 times [2023-04-03 09:24:01,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:24:01,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045481166] [2023-04-03 09:24:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:24:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:24:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-04-03 09:24:02,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:24:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045481166] [2023-04-03 09:24:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045481166] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:24:02,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:24:02,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:24:02,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782069164] [2023-04-03 09:24:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:24:02,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:24:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:24:02,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:24:02,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:24:02,180 INFO L87 Difference]: Start difference. First operand 6661 states and 8123 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-03 09:24:04,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:24:04,792 INFO L93 Difference]: Finished difference Result 6750 states and 8174 transitions. [2023-04-03 09:24:04,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:24:04,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 279 [2023-04-03 09:24:04,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:24:04,807 INFO L225 Difference]: With dead ends: 6750 [2023-04-03 09:24:04,808 INFO L226 Difference]: Without dead ends: 6748 [2023-04-03 09:24:04,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:24:04,810 INFO L413 NwaCegarLoop]: 1899 mSDtfsCounter, 1850 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 5832 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 09:24:04,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 5832 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 09:24:04,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6748 states. [2023-04-03 09:24:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6748 to 6748. [2023-04-03 09:24:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6748 states, 3498 states have (on average 1.1409376786735277) internal successors, (3991), 3663 states have internal predecessors, (3991), 2003 states have call successors, (2003), 1212 states have call predecessors, (2003), 1242 states have return successors, (2166), 1923 states have call predecessors, (2166), 1995 states have call successors, (2166) [2023-04-03 09:24:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 8160 transitions. [2023-04-03 09:24:05,805 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 8160 transitions. Word has length 279 [2023-04-03 09:24:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:24:05,805 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 8160 transitions. [2023-04-03 09:24:05,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-03 09:24:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 8160 transitions. [2023-04-03 09:24:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-04-03 09:24:05,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:24:05,808 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:24:05,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-04-03 09:24:05,808 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:24:05,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:24:05,808 INFO L85 PathProgramCache]: Analyzing trace with hash 766151643, now seen corresponding path program 1 times [2023-04-03 09:24:05,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:24:05,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867715820] [2023-04-03 09:24:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:05,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:24:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:24:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-04-03 09:24:06,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:24:06,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867715820] [2023-04-03 09:24:06,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867715820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:24:06,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:24:06,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:24:06,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021431473] [2023-04-03 09:24:06,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:24:06,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:24:06,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:24:06,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:24:06,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:24:06,914 INFO L87 Difference]: Start difference. First operand 6748 states and 8160 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 09:24:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:24:10,885 INFO L93 Difference]: Finished difference Result 10758 states and 12970 transitions. [2023-04-03 09:24:10,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 09:24:10,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 303 [2023-04-03 09:24:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:24:10,920 INFO L225 Difference]: With dead ends: 10758 [2023-04-03 09:24:10,920 INFO L226 Difference]: Without dead ends: 10756 [2023-04-03 09:24:10,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 09:24:10,925 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 1752 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 7348 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 09:24:10,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 7348 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 09:24:10,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10756 states. [2023-04-03 09:24:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10756 to 10353. [2023-04-03 09:24:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10353 states, 5399 states have (on average 1.14280422300426) internal successors, (6170), 5696 states have internal predecessors, (6170), 3039 states have call successors, (3039), 1889 states have call predecessors, (3039), 1910 states have return successors, (3345), 2846 states have call predecessors, (3345), 3031 states have call successors, (3345) [2023-04-03 09:24:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10353 states to 10353 states and 12554 transitions. [2023-04-03 09:24:12,557 INFO L78 Accepts]: Start accepts. Automaton has 10353 states and 12554 transitions. Word has length 303 [2023-04-03 09:24:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:24:12,558 INFO L495 AbstractCegarLoop]: Abstraction has 10353 states and 12554 transitions. [2023-04-03 09:24:12,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (65), 3 states have call predecessors, (65), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-03 09:24:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 10353 states and 12554 transitions. [2023-04-03 09:24:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-04-03 09:24:12,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:24:12,561 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:24:12,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-04-03 09:24:12,561 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:24:12,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:24:12,561 INFO L85 PathProgramCache]: Analyzing trace with hash 150298325, now seen corresponding path program 1 times [2023-04-03 09:24:12,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:24:12,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227107623] [2023-04-03 09:24:12,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:12,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:24:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:24:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-04-03 09:24:13,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:24:13,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227107623] [2023-04-03 09:24:13,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227107623] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:24:13,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:24:13,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 09:24:13,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599735178] [2023-04-03 09:24:13,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:24:13,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 09:24:13,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:24:13,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 09:24:13,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-04-03 09:24:13,608 INFO L87 Difference]: Start difference. First operand 10353 states and 12554 transitions. Second operand has 12 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 3 states have call successors, (79), 2 states have call predecessors, (79), 5 states have return successors, (61), 7 states have call predecessors, (61), 3 states have call successors, (61) [2023-04-03 09:24:22,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:24:22,425 INFO L93 Difference]: Finished difference Result 19870 states and 24084 transitions. [2023-04-03 09:24:22,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 09:24:22,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 3 states have call successors, (79), 2 states have call predecessors, (79), 5 states have return successors, (61), 7 states have call predecessors, (61), 3 states have call successors, (61) Word has length 336 [2023-04-03 09:24:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:24:22,450 INFO L225 Difference]: With dead ends: 19870 [2023-04-03 09:24:22,450 INFO L226 Difference]: Without dead ends: 10368 [2023-04-03 09:24:22,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-04-03 09:24:22,472 INFO L413 NwaCegarLoop]: 1896 mSDtfsCounter, 4 mSDsluCounter, 18910 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 20806 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-03 09:24:22,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 20806 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-03 09:24:22,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10368 states. [2023-04-03 09:24:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10368 to 10365. [2023-04-03 09:24:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10365 states, 5406 states have (on average 1.1426193118756938) internal successors, (6177), 5703 states have internal predecessors, (6177), 3040 states have call successors, (3040), 1889 states have call predecessors, (3040), 1914 states have return successors, (3350), 2851 states have call predecessors, (3350), 3032 states have call successors, (3350) [2023-04-03 09:24:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10365 states to 10365 states and 12567 transitions. [2023-04-03 09:24:24,158 INFO L78 Accepts]: Start accepts. Automaton has 10365 states and 12567 transitions. Word has length 336 [2023-04-03 09:24:24,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:24:24,158 INFO L495 AbstractCegarLoop]: Abstraction has 10365 states and 12567 transitions. [2023-04-03 09:24:24,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 13.555555555555555) internal successors, (122), 8 states have internal predecessors, (122), 3 states have call successors, (79), 2 states have call predecessors, (79), 5 states have return successors, (61), 7 states have call predecessors, (61), 3 states have call successors, (61) [2023-04-03 09:24:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 10365 states and 12567 transitions. [2023-04-03 09:24:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-04-03 09:24:24,161 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:24:24,162 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:24:24,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-04-03 09:24:24,162 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:24:24,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:24:24,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1817822183, now seen corresponding path program 1 times [2023-04-03 09:24:24,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:24:24,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985640689] [2023-04-03 09:24:24,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:24,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:24:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:24:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2023-04-03 09:24:24,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:24:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985640689] [2023-04-03 09:24:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985640689] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 09:24:24,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 09:24:24,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 09:24:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480169052] [2023-04-03 09:24:24,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 09:24:24,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 09:24:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 09:24:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 09:24:24,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 09:24:24,574 INFO L87 Difference]: Start difference. First operand 10365 states and 12567 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 09:24:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 09:24:28,931 INFO L93 Difference]: Finished difference Result 10365 states and 12567 transitions. [2023-04-03 09:24:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 09:24:28,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 330 [2023-04-03 09:24:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 09:24:28,956 INFO L225 Difference]: With dead ends: 10365 [2023-04-03 09:24:28,956 INFO L226 Difference]: Without dead ends: 10363 [2023-04-03 09:24:28,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-03 09:24:28,961 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 147 mSDsluCounter, 5549 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 7447 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-03 09:24:28,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 7447 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-03 09:24:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2023-04-03 09:24:30,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 10363. [2023-04-03 09:24:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10363 states, 5405 states have (on average 1.1385753931544866) internal successors, (6154), 5701 states have internal predecessors, (6154), 3040 states have call successors, (3040), 1889 states have call predecessors, (3040), 1914 states have return successors, (3350), 2851 states have call predecessors, (3350), 3032 states have call successors, (3350) [2023-04-03 09:24:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10363 states to 10363 states and 12544 transitions. [2023-04-03 09:24:30,596 INFO L78 Accepts]: Start accepts. Automaton has 10363 states and 12544 transitions. Word has length 330 [2023-04-03 09:24:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 09:24:30,597 INFO L495 AbstractCegarLoop]: Abstraction has 10363 states and 12544 transitions. [2023-04-03 09:24:30,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-03 09:24:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 10363 states and 12544 transitions. [2023-04-03 09:24:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-04-03 09:24:30,601 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 09:24:30,601 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 09:24:30,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-04-03 09:24:30,601 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_usb_urb__less_initial_decrementErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_irq__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 86 more)] === [2023-04-03 09:24:30,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 09:24:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash 792018515, now seen corresponding path program 1 times [2023-04-03 09:24:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 09:24:30,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905427197] [2023-04-03 09:24:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 09:24:30,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-03 09:24:30,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843586250] [2023-04-03 09:24:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 09:24:30,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 09:24:30,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 09:24:30,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 09:24:30,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 09:24:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 09:24:31,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 4121 conjuncts, 40 conjunts are in the unsatisfiable core [2023-04-03 09:24:31,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 09:24:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-04-03 09:24:31,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 09:24:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-04-03 09:24:32,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 09:24:32,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905427197] [2023-04-03 09:24:32,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-03 09:24:32,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843586250] [2023-04-03 09:24:32,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843586250] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 09:24:32,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1942173410] [2023-04-03 09:24:32,623 INFO L159 IcfgInterpreter]: Started Sifa with 255 locations of interest [2023-04-03 09:24:32,623 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 09:24:32,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 09:24:32,629 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 09:24:32,630 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 09:24:47,983 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 274 for LOIs [2023-04-03 09:24:53,887 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 192 for LOIs [2023-04-03 09:24:54,268 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_ldv_initialize_183 with input of size 161 for LOIs [2023-04-03 09:24:54,499 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_lib_find_bit_initialize with input of size 161 for LOIs [2023-04-03 09:24:54,755 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_entry_EMGentry_5 with input of size 198 for LOIs [2023-04-03 09:24:54,936 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_EMGentry_init_wdm_driver_init_5_9 with input of size 194 for LOIs [2023-04-03 09:24:55,098 INFO L197 IcfgInterpreter]: Interpreting procedure wdm_driver_init with input of size 194 for LOIs [2023-04-03 09:24:55,270 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_usb_register_driver_178 with input of size 209 for LOIs [2023-04-03 09:24:56,097 INFO L197 IcfgInterpreter]: Interpreting procedure usb_register_driver with input of size 178 for LOIs [2023-04-03 09:24:56,157 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_usb_register_driver with input of size 215 for LOIs