./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 04:14:15,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 04:14:15,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 04:14:15,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 04:14:15,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 04:14:15,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 04:14:15,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 04:14:15,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 04:14:15,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 04:14:15,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 04:14:15,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 04:14:15,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 04:14:15,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 04:14:15,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 04:14:15,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 04:14:15,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 04:14:15,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 04:14:15,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 04:14:15,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 04:14:15,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 04:14:15,119 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 04:14:15,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 04:14:15,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 04:14:15,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 04:14:15,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 04:14:15,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 04:14:15,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 04:14:15,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 04:14:15,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 04:14:15,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 04:14:15,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 04:14:15,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 04:14:15,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 04:14:15,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 04:14:15,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 04:14:15,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 04:14:15,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 04:14:15,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 04:14:15,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 04:14:15,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 04:14:15,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 04:14:15,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 04:14:15,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 04:14:15,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 04:14:15,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 04:14:15,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 04:14:15,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 04:14:15,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 04:14:15,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 04:14:15,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 04:14:15,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 04:14:15,172 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 04:14:15,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 04:14:15,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 04:14:15,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 04:14:15,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 04:14:15,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 04:14:15,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 04:14:15,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 04:14:15,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 04:14:15,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 04:14:15,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 04:14:15,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 04:14:15,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 04:14:15,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:14:15,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 04:14:15,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 04:14:15,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 04:14:15,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 04:14:15,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 04:14:15,177 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 04:14:15,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 04:14:15,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 04:14:15,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2022-07-20 04:14:15,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 04:14:15,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 04:14:15,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 04:14:15,462 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 04:14:15,467 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 04:14:15,468 INFO L432 ainManager$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--video--fbdev--udlfb.ko.cil.i [2022-07-20 04:14:15,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dcdf3e7b/c02692fd217a4d8cbc5152121e68ce04/FLAG3d209961f [2022-07-20 04:14:16,194 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 04:14:16,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2022-07-20 04:14:16,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dcdf3e7b/c02692fd217a4d8cbc5152121e68ce04/FLAG3d209961f [2022-07-20 04:14:16,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dcdf3e7b/c02692fd217a4d8cbc5152121e68ce04 [2022-07-20 04:14:16,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 04:14:16,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 04:14:16,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 04:14:16,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 04:14:16,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 04:14:16,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:14:16" (1/1) ... [2022-07-20 04:14:16,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fa7848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:16, skipping insertion in model container [2022-07-20 04:14:16,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:14:16" (1/1) ... [2022-07-20 04:14:16,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 04:14:16,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 04:14:19,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2022-07-20 04:14:19,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2022-07-20 04:14:19,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2022-07-20 04:14:19,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2022-07-20 04:14:19,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2022-07-20 04:14:19,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2022-07-20 04:14:19,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2022-07-20 04:14:19,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2022-07-20 04:14:19,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2022-07-20 04:14:19,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2022-07-20 04:14:19,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2022-07-20 04:14:19,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2022-07-20 04:14:19,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2022-07-20 04:14:19,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2022-07-20 04:14:19,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2022-07-20 04:14:19,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2022-07-20 04:14:19,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2022-07-20 04:14:19,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2022-07-20 04:14:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2022-07-20 04:14:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2022-07-20 04:14:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2022-07-20 04:14:19,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2022-07-20 04:14:19,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2022-07-20 04:14:19,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2022-07-20 04:14:19,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2022-07-20 04:14:19,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2022-07-20 04:14:19,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2022-07-20 04:14:19,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2022-07-20 04:14:19,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2022-07-20 04:14:19,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2022-07-20 04:14:19,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2022-07-20 04:14:19,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2022-07-20 04:14:19,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2022-07-20 04:14:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2022-07-20 04:14:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2022-07-20 04:14:19,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2022-07-20 04:14:19,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2022-07-20 04:14:19,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2022-07-20 04:14:19,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2022-07-20 04:14:19,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2022-07-20 04:14:19,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2022-07-20 04:14:19,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2022-07-20 04:14:19,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2022-07-20 04:14:19,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2022-07-20 04:14:19,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2022-07-20 04:14:19,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2022-07-20 04:14:19,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2022-07-20 04:14:19,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2022-07-20 04:14:19,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2022-07-20 04:14:19,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2022-07-20 04:14:19,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2022-07-20 04:14:19,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2022-07-20 04:14:19,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2022-07-20 04:14:19,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2022-07-20 04:14:19,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2022-07-20 04:14:19,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2022-07-20 04:14:19,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2022-07-20 04:14:19,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2022-07-20 04:14:19,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2022-07-20 04:14:19,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2022-07-20 04:14:19,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2022-07-20 04:14:19,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2022-07-20 04:14:19,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2022-07-20 04:14:19,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2022-07-20 04:14:19,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2022-07-20 04:14:19,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2022-07-20 04:14:19,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2022-07-20 04:14:19,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2022-07-20 04:14:19,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2022-07-20 04:14:19,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2022-07-20 04:14:19,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2022-07-20 04:14:19,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2022-07-20 04:14:19,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2022-07-20 04:14:19,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2022-07-20 04:14:19,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2022-07-20 04:14:19,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2022-07-20 04:14:19,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2022-07-20 04:14:19,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2022-07-20 04:14:19,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2022-07-20 04:14:19,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2022-07-20 04:14:19,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2022-07-20 04:14:19,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2022-07-20 04:14:19,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2022-07-20 04:14:19,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2022-07-20 04:14:19,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2022-07-20 04:14:19,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2022-07-20 04:14:19,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2022-07-20 04:14:19,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2022-07-20 04:14:19,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:14:19,205 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 04:14:19,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2022-07-20 04:14:19,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2022-07-20 04:14:19,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2022-07-20 04:14:19,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2022-07-20 04:14:19,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2022-07-20 04:14:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2022-07-20 04:14:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2022-07-20 04:14:19,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2022-07-20 04:14:19,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2022-07-20 04:14:19,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2022-07-20 04:14:19,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2022-07-20 04:14:19,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2022-07-20 04:14:19,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2022-07-20 04:14:19,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2022-07-20 04:14:19,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2022-07-20 04:14:19,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2022-07-20 04:14:19,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2022-07-20 04:14:19,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2022-07-20 04:14:19,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2022-07-20 04:14:19,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2022-07-20 04:14:19,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2022-07-20 04:14:19,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2022-07-20 04:14:19,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2022-07-20 04:14:19,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2022-07-20 04:14:19,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2022-07-20 04:14:19,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2022-07-20 04:14:19,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2022-07-20 04:14:19,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2022-07-20 04:14:19,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2022-07-20 04:14:19,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2022-07-20 04:14:19,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2022-07-20 04:14:19,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2022-07-20 04:14:19,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2022-07-20 04:14:19,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2022-07-20 04:14:19,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2022-07-20 04:14:19,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2022-07-20 04:14:19,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2022-07-20 04:14:19,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2022-07-20 04:14:19,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2022-07-20 04:14:19,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2022-07-20 04:14:19,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2022-07-20 04:14:19,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2022-07-20 04:14:19,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2022-07-20 04:14:19,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2022-07-20 04:14:19,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2022-07-20 04:14:19,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2022-07-20 04:14:19,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2022-07-20 04:14:19,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2022-07-20 04:14:19,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2022-07-20 04:14:19,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2022-07-20 04:14:19,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2022-07-20 04:14:19,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2022-07-20 04:14:19,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2022-07-20 04:14:19,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2022-07-20 04:14:19,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2022-07-20 04:14:19,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2022-07-20 04:14:19,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2022-07-20 04:14:19,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2022-07-20 04:14:19,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2022-07-20 04:14:19,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2022-07-20 04:14:19,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2022-07-20 04:14:19,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2022-07-20 04:14:19,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2022-07-20 04:14:19,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2022-07-20 04:14:19,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2022-07-20 04:14:19,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2022-07-20 04:14:19,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2022-07-20 04:14:19,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2022-07-20 04:14:19,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2022-07-20 04:14:19,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2022-07-20 04:14:19,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2022-07-20 04:14:19,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2022-07-20 04:14:19,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2022-07-20 04:14:19,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2022-07-20 04:14:19,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2022-07-20 04:14:19,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2022-07-20 04:14:19,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2022-07-20 04:14:19,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2022-07-20 04:14:19,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2022-07-20 04:14:19,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2022-07-20 04:14:19,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2022-07-20 04:14:19,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2022-07-20 04:14:19,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2022-07-20 04:14:19,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2022-07-20 04:14:19,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2022-07-20 04:14:19,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2022-07-20 04:14:19,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2022-07-20 04:14:19,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2022-07-20 04:14:19,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:14:19,731 INFO L208 MainTranslator]: Completed translation [2022-07-20 04:14:19,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19 WrapperNode [2022-07-20 04:14:19,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 04:14:19,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 04:14:19,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 04:14:19,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 04:14:19,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:19,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:20,375 INFO L137 Inliner]: procedures = 635, calls = 2105, calls flagged for inlining = 297, calls inlined = 221, statements flattened = 4958 [2022-07-20 04:14:20,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 04:14:20,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 04:14:20,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 04:14:20,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 04:14:20,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:20,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:20,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:20,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:20,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:21,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:21,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:21,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 04:14:21,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 04:14:21,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 04:14:21,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 04:14:21,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (1/1) ... [2022-07-20 04:14:21,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:14:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:14:21,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 04:14:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 04:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 04:14:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-20 04:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-20 04:14:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:14:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 04:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 04:14:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-20 04:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-20 04:14:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-20 04:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-20 04:14:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 04:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 04:14:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:14:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:14:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-20 04:14:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-20 04:14:21,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 04:14:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:14:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:14:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2022-07-20 04:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2022-07-20 04:14:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 04:14:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 04:14:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 04:14:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-20 04:14:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-20 04:14:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 04:14:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 04:14:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:14:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:14:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-20 04:14:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-20 04:14:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 04:14:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-20 04:14:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-20 04:14:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-20 04:14:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-20 04:14:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 04:14:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 04:14:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-20 04:14:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-20 04:14:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:14:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:14:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 04:14:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 04:14:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 04:14:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-20 04:14:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-20 04:14:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 04:14:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 04:14:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 04:14:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-20 04:14:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-20 04:14:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 04:14:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 04:14:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-20 04:14:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-20 04:14:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:14:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:14:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 04:14:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:14:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 04:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 04:14:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-20 04:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-20 04:14:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 04:14:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 04:14:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:14:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:14:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-20 04:14:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-20 04:14:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 04:14:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 04:14:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 04:14:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 04:14:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 04:14:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 04:14:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 04:14:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 04:14:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:14:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:14:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 04:14:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 04:14:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:14:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:14:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 04:14:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-20 04:14:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-20 04:14:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 04:14:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 04:14:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 04:14:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 04:14:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:14:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:14:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 04:14:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 04:14:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-20 04:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-20 04:14:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:14:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 04:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 04:14:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-20 04:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-20 04:14:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-20 04:14:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-20 04:14:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 04:14:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 04:14:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 04:14:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 04:14:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:14:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:14:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-20 04:14:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-20 04:14:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-20 04:14:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-20 04:14:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-20 04:14:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-20 04:14:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 04:14:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 04:14:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 04:14:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 04:14:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-20 04:14:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-20 04:14:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 04:14:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 04:14:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 04:14:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 04:14:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:14:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:14:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-20 04:14:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-20 04:14:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-20 04:14:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-20 04:14:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-20 04:14:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-20 04:14:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-20 04:14:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-20 04:14:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 04:14:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 04:14:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-20 04:14:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-20 04:14:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-20 04:14:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-20 04:14:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 04:14:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 04:14:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 04:14:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 04:14:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-20 04:14:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-20 04:14:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-20 04:14:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-20 04:14:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2022-07-20 04:14:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2022-07-20 04:14:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-20 04:14:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-20 04:14:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:14:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:14:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-20 04:14:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-20 04:14:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-20 04:14:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-20 04:14:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:14:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:14:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 04:14:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 04:14:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 04:14:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:14:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:14:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-20 04:14:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-20 04:14:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-20 04:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-20 04:14:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 04:14:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-20 04:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-20 04:14:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 04:14:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 04:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 04:14:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 04:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 04:14:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:14:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 04:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 04:14:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 04:14:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 04:14:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 04:14:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 04:14:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 04:14:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 04:14:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-20 04:14:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-20 04:14:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:14:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 04:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 04:14:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:14:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-20 04:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-20 04:14:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-20 04:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-20 04:14:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 04:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 04:14:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:14:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 04:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 04:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-20 04:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-20 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-20 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-20 04:14:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-20 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-20 04:14:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:14:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2022-07-20 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2022-07-20 04:14:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 04:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 04:14:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:14:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-20 04:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-20 04:14:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 04:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 04:14:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:14:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 04:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 04:14:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2022-07-20 04:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2022-07-20 04:14:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2022-07-20 04:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2022-07-20 04:14:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-20 04:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-20 04:14:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-20 04:14:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 04:14:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2022-07-20 04:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2022-07-20 04:14:22,267 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 04:14:22,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 04:14:22,430 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 04:14:32,725 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 04:14:32,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 04:14:32,746 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 04:14:32,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:14:32 BoogieIcfgContainer [2022-07-20 04:14:32,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 04:14:32,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 04:14:32,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 04:14:32,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 04:14:32,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:14:16" (1/3) ... [2022-07-20 04:14:32,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72125ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:14:32, skipping insertion in model container [2022-07-20 04:14:32,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:19" (2/3) ... [2022-07-20 04:14:32,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72125ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:14:32, skipping insertion in model container [2022-07-20 04:14:32,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:14:32" (3/3) ... [2022-07-20 04:14:32,761 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2022-07-20 04:14:32,773 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 04:14:32,773 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-07-20 04:14:32,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 04:14:32,864 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27716c57, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24355191 [2022-07-20 04:14:32,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-07-20 04:14:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 1744 states, 1168 states have (on average 1.2731164383561644) internal successors, (1487), 1245 states have internal predecessors, (1487), 427 states have call successors, (427), 116 states have call predecessors, (427), 115 states have return successors, (419), 405 states have call predecessors, (419), 419 states have call successors, (419) [2022-07-20 04:14:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-20 04:14:32,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:14:32,883 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:14:32,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:14:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:14:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1255724155, now seen corresponding path program 1 times [2022-07-20 04:14:32,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:14:32,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891475854] [2022-07-20 04:14:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:14:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:14:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:14:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:14:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:14:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:14:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:14:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:14:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:14:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:14:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:14:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:14:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:14:33,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:14:33,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891475854] [2022-07-20 04:14:33,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891475854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:14:33,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:14:33,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:14:33,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324873132] [2022-07-20 04:14:33,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:14:33,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:14:33,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:14:33,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:14:33,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:14:33,692 INFO L87 Difference]: Start difference. First operand has 1744 states, 1168 states have (on average 1.2731164383561644) internal successors, (1487), 1245 states have internal predecessors, (1487), 427 states have call successors, (427), 116 states have call predecessors, (427), 115 states have return successors, (419), 405 states have call predecessors, (419), 419 states have call successors, (419) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-20 04:14:38,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:14:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:14:40,933 INFO L93 Difference]: Finished difference Result 3438 states and 4733 transitions. [2022-07-20 04:14:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:14:40,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2022-07-20 04:14:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:14:40,969 INFO L225 Difference]: With dead ends: 3438 [2022-07-20 04:14:40,970 INFO L226 Difference]: Without dead ends: 1723 [2022-07-20 04:14:40,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:14:40,987 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 3814 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 1805 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:14:40,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 3221 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 2372 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-07-20 04:14:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-07-20 04:14:41,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1723. [2022-07-20 04:14:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1158 states have (on average 1.229706390328152) internal successors, (1424), 1227 states have internal predecessors, (1424), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:14:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2260 transitions. [2022-07-20 04:14:41,138 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2260 transitions. Word has length 71 [2022-07-20 04:14:41,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:14:41,139 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2260 transitions. [2022-07-20 04:14:41,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-20 04:14:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2260 transitions. [2022-07-20 04:14:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-20 04:14:41,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:14:41,143 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:14:41,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 04:14:41,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:14:41,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:14:41,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1918160651, now seen corresponding path program 1 times [2022-07-20 04:14:41,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:14:41,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510602164] [2022-07-20 04:14:41,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:14:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:14:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:14:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:14:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:14:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:14:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:14:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:14:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:14:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:14:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:14:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:14:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:14:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:14:41,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:14:41,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510602164] [2022-07-20 04:14:41,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510602164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:14:41,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:14:41,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:14:41,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338152224] [2022-07-20 04:14:41,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:14:41,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:14:41,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:14:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:14:41,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:14:41,562 INFO L87 Difference]: Start difference. First operand 1723 states and 2260 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-20 04:14:47,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:14:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:14:49,687 INFO L93 Difference]: Finished difference Result 1723 states and 2260 transitions. [2022-07-20 04:14:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:14:49,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-07-20 04:14:49,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:14:49,696 INFO L225 Difference]: With dead ends: 1723 [2022-07-20 04:14:49,696 INFO L226 Difference]: Without dead ends: 1721 [2022-07-20 04:14:49,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:14:49,698 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 3773 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 3167 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:14:49,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 3167 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2356 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-07-20 04:14:49,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-20 04:14:49,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2022-07-20 04:14:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1157 states have (on average 1.2290406222990493) internal successors, (1422), 1225 states have internal predecessors, (1422), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:14:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2258 transitions. [2022-07-20 04:14:49,778 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2258 transitions. Word has length 77 [2022-07-20 04:14:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:14:49,780 INFO L495 AbstractCegarLoop]: Abstraction has 1721 states and 2258 transitions. [2022-07-20 04:14:49,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-20 04:14:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2258 transitions. [2022-07-20 04:14:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-20 04:14:49,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:14:49,788 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:14:49,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 04:14:49,790 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:14:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:14:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1824780030, now seen corresponding path program 1 times [2022-07-20 04:14:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:14:49,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431057803] [2022-07-20 04:14:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:14:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:14:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:14:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:14:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:14:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:14:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:14:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:14:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:14:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:14:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:14:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:14:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:14:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:14:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:14:50,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:14:50,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431057803] [2022-07-20 04:14:50,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431057803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:14:50,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:14:50,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:14:50,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5586671] [2022-07-20 04:14:50,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:14:50,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:14:50,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:14:50,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:14:50,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:14:50,110 INFO L87 Difference]: Start difference. First operand 1721 states and 2258 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 04:14:54,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:14:56,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:14:56,793 INFO L93 Difference]: Finished difference Result 1721 states and 2258 transitions. [2022-07-20 04:14:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:14:56,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-07-20 04:14:56,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:14:56,802 INFO L225 Difference]: With dead ends: 1721 [2022-07-20 04:14:56,802 INFO L226 Difference]: Without dead ends: 1719 [2022-07-20 04:14:56,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:14:56,804 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 3767 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3935 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 4143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:14:56,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3935 Valid, 3165 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2354 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-07-20 04:14:56,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-07-20 04:14:56,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2022-07-20 04:14:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1156 states have (on average 1.2283737024221453) internal successors, (1420), 1223 states have internal predecessors, (1420), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:14:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2256 transitions. [2022-07-20 04:14:56,867 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2256 transitions. Word has length 83 [2022-07-20 04:14:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:14:56,868 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 2256 transitions. [2022-07-20 04:14:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 04:14:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2256 transitions. [2022-07-20 04:14:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-20 04:14:56,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:14:56,871 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:14:56,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 04:14:56,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:14:56,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:14:56,872 INFO L85 PathProgramCache]: Analyzing trace with hash -335668616, now seen corresponding path program 1 times [2022-07-20 04:14:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:14:56,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389320213] [2022-07-20 04:14:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:14:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:14:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:14:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:14:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:14:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:14:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:14:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:14:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:14:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:14:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:14:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:14:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:14:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:14:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:14:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:14:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:14:57,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:14:57,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389320213] [2022-07-20 04:14:57,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389320213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:14:57,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:14:57,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:14:57,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824268366] [2022-07-20 04:14:57,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:14:57,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:14:57,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:14:57,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:14:57,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:14:57,138 INFO L87 Difference]: Start difference. First operand 1719 states and 2256 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-20 04:15:01,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:03,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:03,297 INFO L93 Difference]: Finished difference Result 1719 states and 2256 transitions. [2022-07-20 04:15:03,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:03,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-07-20 04:15:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:03,306 INFO L225 Difference]: With dead ends: 1719 [2022-07-20 04:15:03,306 INFO L226 Difference]: Without dead ends: 1717 [2022-07-20 04:15:03,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:03,308 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 3761 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:03,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 3163 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2352 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 04:15:03,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-07-20 04:15:03,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-07-20 04:15:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1155 states have (on average 1.2277056277056277) internal successors, (1418), 1221 states have internal predecessors, (1418), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2254 transitions. [2022-07-20 04:15:03,367 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2254 transitions. Word has length 89 [2022-07-20 04:15:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:03,367 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 2254 transitions. [2022-07-20 04:15:03,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-20 04:15:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2254 transitions. [2022-07-20 04:15:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-20 04:15:03,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:03,369 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:03,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 04:15:03,369 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash -398152295, now seen corresponding path program 1 times [2022-07-20 04:15:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:03,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592808847] [2022-07-20 04:15:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:03,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592808847] [2022-07-20 04:15:03,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592808847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:03,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:03,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:03,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637274900] [2022-07-20 04:15:03,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:03,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:03,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:03,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:03,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:03,634 INFO L87 Difference]: Start difference. First operand 1717 states and 2254 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:15:07,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:09,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:09,880 INFO L93 Difference]: Finished difference Result 1717 states and 2254 transitions. [2022-07-20 04:15:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:09,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-07-20 04:15:09,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:09,889 INFO L225 Difference]: With dead ends: 1717 [2022-07-20 04:15:09,889 INFO L226 Difference]: Without dead ends: 1715 [2022-07-20 04:15:09,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:09,891 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 3755 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3921 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:09,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3921 Valid, 3161 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2350 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 04:15:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2022-07-20 04:15:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2022-07-20 04:15:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1154 states have (on average 1.2270363951473138) internal successors, (1416), 1219 states have internal predecessors, (1416), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2252 transitions. [2022-07-20 04:15:09,953 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2252 transitions. Word has length 95 [2022-07-20 04:15:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:09,953 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2252 transitions. [2022-07-20 04:15:09,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:15:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2252 transitions. [2022-07-20 04:15:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-20 04:15:09,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:09,955 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:09,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 04:15:09,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1557547795, now seen corresponding path program 1 times [2022-07-20 04:15:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:09,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421585126] [2022-07-20 04:15:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:15:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:10,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:10,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421585126] [2022-07-20 04:15:10,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421585126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:10,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:10,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:10,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840033558] [2022-07-20 04:15:10,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:10,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:10,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:10,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:10,277 INFO L87 Difference]: Start difference. First operand 1715 states and 2252 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 04:15:14,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:16,557 INFO L93 Difference]: Finished difference Result 1715 states and 2252 transitions. [2022-07-20 04:15:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:16,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-07-20 04:15:16,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:16,566 INFO L225 Difference]: With dead ends: 1715 [2022-07-20 04:15:16,566 INFO L226 Difference]: Without dead ends: 1713 [2022-07-20 04:15:16,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:16,568 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 3749 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:16,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 3159 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2348 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 04:15:16,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-07-20 04:15:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2022-07-20 04:15:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1153 states have (on average 1.2263660017346054) internal successors, (1414), 1217 states have internal predecessors, (1414), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2250 transitions. [2022-07-20 04:15:16,631 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2250 transitions. Word has length 101 [2022-07-20 04:15:16,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:16,631 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2250 transitions. [2022-07-20 04:15:16,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 04:15:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2250 transitions. [2022-07-20 04:15:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-20 04:15:16,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:16,633 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:16,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 04:15:16,633 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:16,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:16,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1869991453, now seen corresponding path program 1 times [2022-07-20 04:15:16,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:16,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76023883] [2022-07-20 04:15:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:16,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:15:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:15:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:16,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:16,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76023883] [2022-07-20 04:15:16,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76023883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:16,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:16,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:16,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497962028] [2022-07-20 04:15:16,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:16,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:16,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:16,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:16,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:16,871 INFO L87 Difference]: Start difference. First operand 1713 states and 2250 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:15:20,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:22,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:22,864 INFO L93 Difference]: Finished difference Result 1713 states and 2250 transitions. [2022-07-20 04:15:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-07-20 04:15:22,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:22,871 INFO L225 Difference]: With dead ends: 1713 [2022-07-20 04:15:22,871 INFO L226 Difference]: Without dead ends: 1711 [2022-07-20 04:15:22,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:22,873 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 3743 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 3157 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:22,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 3157 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-20 04:15:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-07-20 04:15:22,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2022-07-20 04:15:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1711 states, 1152 states have (on average 1.2256944444444444) internal successors, (1412), 1215 states have internal predecessors, (1412), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2248 transitions. [2022-07-20 04:15:22,937 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2248 transitions. Word has length 107 [2022-07-20 04:15:22,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:22,938 INFO L495 AbstractCegarLoop]: Abstraction has 1711 states and 2248 transitions. [2022-07-20 04:15:22,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:15:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2248 transitions. [2022-07-20 04:15:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-20 04:15:22,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:22,940 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:22,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 04:15:22,941 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:22,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1122418189, now seen corresponding path program 1 times [2022-07-20 04:15:22,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:22,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856669656] [2022-07-20 04:15:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:22,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:15:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:15:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:15:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:23,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:23,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856669656] [2022-07-20 04:15:23,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856669656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:23,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:23,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503919706] [2022-07-20 04:15:23,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:23,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:23,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:23,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:23,202 INFO L87 Difference]: Start difference. First operand 1711 states and 2248 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:15:27,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:29,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:29,217 INFO L93 Difference]: Finished difference Result 1711 states and 2248 transitions. [2022-07-20 04:15:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:29,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-07-20 04:15:29,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:29,226 INFO L225 Difference]: With dead ends: 1711 [2022-07-20 04:15:29,226 INFO L226 Difference]: Without dead ends: 1709 [2022-07-20 04:15:29,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:29,228 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 3741 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3904 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:29,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3904 Valid, 3155 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2340 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-07-20 04:15:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-07-20 04:15:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2022-07-20 04:15:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1151 states have (on average 1.2250217202432667) internal successors, (1410), 1213 states have internal predecessors, (1410), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2246 transitions. [2022-07-20 04:15:29,292 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2246 transitions. Word has length 113 [2022-07-20 04:15:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:29,292 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2246 transitions. [2022-07-20 04:15:29,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:15:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2246 transitions. [2022-07-20 04:15:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-20 04:15:29,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:29,296 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:29,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 04:15:29,297 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:29,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:29,297 INFO L85 PathProgramCache]: Analyzing trace with hash -606950218, now seen corresponding path program 1 times [2022-07-20 04:15:29,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:29,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738356215] [2022-07-20 04:15:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:15:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:15:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:15:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:29,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:29,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738356215] [2022-07-20 04:15:29,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738356215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:29,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:29,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:29,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026136271] [2022-07-20 04:15:29,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:29,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:29,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:29,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:29,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:29,560 INFO L87 Difference]: Start difference. First operand 1709 states and 2246 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:15:33,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:36,098 INFO L93 Difference]: Finished difference Result 1709 states and 2246 transitions. [2022-07-20 04:15:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:36,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2022-07-20 04:15:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:36,106 INFO L225 Difference]: With dead ends: 1709 [2022-07-20 04:15:36,106 INFO L226 Difference]: Without dead ends: 1707 [2022-07-20 04:15:36,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:36,108 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 3729 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:36,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3153 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2342 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-07-20 04:15:36,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-20 04:15:36,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2022-07-20 04:15:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1150 states have (on average 1.2243478260869565) internal successors, (1408), 1211 states have internal predecessors, (1408), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-20 04:15:36,177 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 115 [2022-07-20 04:15:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:36,178 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-20 04:15:36,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:15:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-20 04:15:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-20 04:15:36,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:36,180 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:15:36,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 04:15:36,180 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:36,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash 110614786, now seen corresponding path program 1 times [2022-07-20 04:15:36,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:36,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681452190] [2022-07-20 04:15:36,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:15:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:15:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:15:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:15:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:15:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:15:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:15:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:15:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:15:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:15:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:15:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:15:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:15:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:15:36,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:36,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681452190] [2022-07-20 04:15:36,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681452190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:36,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:36,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137692632] [2022-07-20 04:15:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:36,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:36,432 INFO L87 Difference]: Start difference. First operand 1707 states and 2244 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:15:40,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:42,690 INFO L93 Difference]: Finished difference Result 1707 states and 2244 transitions. [2022-07-20 04:15:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:42,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2022-07-20 04:15:42,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:42,697 INFO L225 Difference]: With dead ends: 1707 [2022-07-20 04:15:42,697 INFO L226 Difference]: Without dead ends: 1705 [2022-07-20 04:15:42,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:42,699 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 3725 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:42,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 3151 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2340 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 04:15:42,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-07-20 04:15:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2022-07-20 04:15:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1149 states have (on average 1.2236727589208007) internal successors, (1406), 1209 states have internal predecessors, (1406), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2242 transitions. [2022-07-20 04:15:42,823 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2242 transitions. Word has length 121 [2022-07-20 04:15:42,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:42,824 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2242 transitions. [2022-07-20 04:15:42,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:15:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2242 transitions. [2022-07-20 04:15:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-20 04:15:42,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:42,827 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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] [2022-07-20 04:15:42,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 04:15:42,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:42,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:42,828 INFO L85 PathProgramCache]: Analyzing trace with hash 747162463, now seen corresponding path program 1 times [2022-07-20 04:15:42,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:42,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32600351] [2022-07-20 04:15:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:42,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 04:15:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:15:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 04:15:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:15:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:15:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 04:15:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:15:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:15:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:15:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-20 04:15:43,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:43,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32600351] [2022-07-20 04:15:43,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32600351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:43,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:43,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:15:43,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085002434] [2022-07-20 04:15:43,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:43,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:15:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:43,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:15:43,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:15:43,226 INFO L87 Difference]: Start difference. First operand 1705 states and 2242 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-20 04:15:49,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:51,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:53,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:15:58,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:58,056 INFO L93 Difference]: Finished difference Result 1866 states and 2487 transitions. [2022-07-20 04:15:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 04:15:58,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 168 [2022-07-20 04:15:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:58,075 INFO L225 Difference]: With dead ends: 1866 [2022-07-20 04:15:58,075 INFO L226 Difference]: Without dead ends: 1864 [2022-07-20 04:15:58,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-07-20 04:15:58,076 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 3081 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 5093 mSolverCounterSat, 2062 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 3973 SdHoareTripleChecker+Invalid, 7158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2062 IncrementalHoareTripleChecker+Valid, 5093 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:58,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 3973 Invalid, 7158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2062 Valid, 5093 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2022-07-20 04:15:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-07-20 04:15:58,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1707. [2022-07-20 04:15:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1151 states have (on average 1.2232841007819288) internal successors, (1408), 1211 states have internal predecessors, (1408), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:15:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-20 04:15:58,181 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 168 [2022-07-20 04:15:58,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:58,182 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-20 04:15:58,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-20 04:15:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-20 04:15:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-20 04:15:58,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:58,185 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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] [2022-07-20 04:15:58,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 04:15:58,185 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:15:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash 747102881, now seen corresponding path program 1 times [2022-07-20 04:15:58,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:58,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786169489] [2022-07-20 04:15:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:15:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:15:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:15:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 04:15:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:15:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 04:15:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:15:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:15:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:15:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:15:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 04:15:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:15:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:15:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:15:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-20 04:15:58,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:58,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786169489] [2022-07-20 04:15:58,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786169489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:58,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:58,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 04:15:58,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169068970] [2022-07-20 04:15:58,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:58,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 04:15:58,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:58,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 04:15:58,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-20 04:15:58,640 INFO L87 Difference]: Start difference. First operand 1707 states and 2244 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:04,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:06,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:08,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:14,094 INFO L93 Difference]: Finished difference Result 3524 states and 4727 transitions. [2022-07-20 04:16:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:16:14,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 168 [2022-07-20 04:16:14,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:14,103 INFO L225 Difference]: With dead ends: 3524 [2022-07-20 04:16:14,103 INFO L226 Difference]: Without dead ends: 1857 [2022-07-20 04:16:14,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-07-20 04:16:14,111 INFO L413 NwaCegarLoop]: 1992 mSDtfsCounter, 4729 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 7029 mSolverCounterSat, 2626 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4907 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 9657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2626 IncrementalHoareTripleChecker+Valid, 7029 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:14,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4907 Valid, 4297 Invalid, 9657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2626 Valid, 7029 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-07-20 04:16:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-07-20 04:16:14,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1703. [2022-07-20 04:16:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1148 states have (on average 1.2221254355400697) internal successors, (1403), 1207 states have internal predecessors, (1403), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:16:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2239 transitions. [2022-07-20 04:16:14,194 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2239 transitions. Word has length 168 [2022-07-20 04:16:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:14,195 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 2239 transitions. [2022-07-20 04:16:14,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2239 transitions. [2022-07-20 04:16:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-20 04:16:14,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:14,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:16:14,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 04:16:14,197 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:16:14,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1963748082, now seen corresponding path program 1 times [2022-07-20 04:16:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:14,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190085492] [2022-07-20 04:16:14,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:16:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:16:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:16:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:16:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:16:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:16:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:16:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:16:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:16:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:16:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:16:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:16:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:16:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:16:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:16:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:16:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:16:14,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:14,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190085492] [2022-07-20 04:16:14,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190085492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:14,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:14,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:14,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342031282] [2022-07-20 04:16:14,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:14,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:14,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:14,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:14,523 INFO L87 Difference]: Start difference. First operand 1703 states and 2239 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:16:18,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:20,674 INFO L93 Difference]: Finished difference Result 1703 states and 2239 transitions. [2022-07-20 04:16:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:20,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2022-07-20 04:16:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:20,684 INFO L225 Difference]: With dead ends: 1703 [2022-07-20 04:16:20,684 INFO L226 Difference]: Without dead ends: 1701 [2022-07-20 04:16:20,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:20,685 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 3710 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:20,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 3146 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2335 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 04:16:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-07-20 04:16:20,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1701. [2022-07-20 04:16:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1147 states have (on average 1.2214472537053183) internal successors, (1401), 1205 states have internal predecessors, (1401), 419 states have call successors, (419), 115 states have call predecessors, (419), 114 states have return successors, (417), 403 states have call predecessors, (417), 417 states have call successors, (417) [2022-07-20 04:16:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2237 transitions. [2022-07-20 04:16:20,766 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2237 transitions. Word has length 127 [2022-07-20 04:16:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:20,766 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2237 transitions. [2022-07-20 04:16:20,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:16:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2237 transitions. [2022-07-20 04:16:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-20 04:16:20,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:20,769 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 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] [2022-07-20 04:16:20,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 04:16:20,769 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:16:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 660713222, now seen corresponding path program 1 times [2022-07-20 04:16:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:20,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371669094] [2022-07-20 04:16:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:16:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:16:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:16:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:16:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:16:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:16:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:16:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 04:16:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 04:16:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 04:16:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 04:16:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 04:16:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-07-20 04:16:21,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:21,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371669094] [2022-07-20 04:16:21,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371669094] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:21,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:21,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:16:21,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727710401] [2022-07-20 04:16:21,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:21,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:16:21,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:21,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:16:21,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:16:21,109 INFO L87 Difference]: Start difference. First operand 1701 states and 2237 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:16:24,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:27,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:31,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:33,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:35,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:37,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:39,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:47,232 INFO L93 Difference]: Finished difference Result 3546 states and 4754 transitions. [2022-07-20 04:16:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 04:16:47,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2022-07-20 04:16:47,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:47,252 INFO L225 Difference]: With dead ends: 3546 [2022-07-20 04:16:47,252 INFO L226 Difference]: Without dead ends: 3544 [2022-07-20 04:16:47,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2022-07-20 04:16:47,254 INFO L413 NwaCegarLoop]: 2628 mSDtfsCounter, 6695 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 9762 mSolverCounterSat, 4292 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6860 SdHoareTripleChecker+Valid, 4942 SdHoareTripleChecker+Invalid, 14059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4292 IncrementalHoareTripleChecker+Valid, 9762 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:47,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6860 Valid, 4942 Invalid, 14059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4292 Valid, 9762 Invalid, 5 Unknown, 0 Unchecked, 25.7s Time] [2022-07-20 04:16:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2022-07-20 04:16:47,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3248. [2022-07-20 04:16:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 2226 states have (on average 1.2327044025157232) internal successors, (2744), 2334 states have internal predecessors, (2744), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:16:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4402 transitions. [2022-07-20 04:16:47,494 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4402 transitions. Word has length 164 [2022-07-20 04:16:47,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:47,495 INFO L495 AbstractCegarLoop]: Abstraction has 3248 states and 4402 transitions. [2022-07-20 04:16:47,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:16:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4402 transitions. [2022-07-20 04:16:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-20 04:16:47,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:47,498 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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] [2022-07-20 04:16:47,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 04:16:47,499 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:16:47,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:47,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1187153551, now seen corresponding path program 1 times [2022-07-20 04:16:47,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:47,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743459301] [2022-07-20 04:16:47,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:16:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:16:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 04:16:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 04:16:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:16:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:16:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 04:16:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:16:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:16:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 04:16:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-20 04:16:47,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:47,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743459301] [2022-07-20 04:16:47,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743459301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:47,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:47,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:47,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264055007] [2022-07-20 04:16:47,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:47,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:47,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:47,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:47,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:47,864 INFO L87 Difference]: Start difference. First operand 3248 states and 4402 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:16:51,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:54,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:56,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:56,667 INFO L93 Difference]: Finished difference Result 6530 states and 9064 transitions. [2022-07-20 04:16:56,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 04:16:56,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2022-07-20 04:16:56,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:56,686 INFO L225 Difference]: With dead ends: 6530 [2022-07-20 04:16:56,686 INFO L226 Difference]: Without dead ends: 3322 [2022-07-20 04:16:56,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 04:16:56,701 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 4697 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 2607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4877 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2607 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:56,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4877 Valid, 2949 Invalid, 4157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2607 Valid, 1548 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-20 04:16:56,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2022-07-20 04:16:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3242. [2022-07-20 04:16:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 2221 states have (on average 1.2314272850067538) internal successors, (2735), 2328 states have internal predecessors, (2735), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:16:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4393 transitions. [2022-07-20 04:16:56,882 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4393 transitions. Word has length 175 [2022-07-20 04:16:56,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:56,882 INFO L495 AbstractCegarLoop]: Abstraction has 3242 states and 4393 transitions. [2022-07-20 04:16:56,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:16:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4393 transitions. [2022-07-20 04:16:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-20 04:16:56,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:56,884 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:16:56,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 04:16:56,885 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:16:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1168266531, now seen corresponding path program 1 times [2022-07-20 04:16:56,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:56,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098194371] [2022-07-20 04:16:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:16:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:16:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:16:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:16:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:16:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:16:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:16:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:16:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:16:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:16:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:16:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:16:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:16:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:16:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:16:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:16:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:16:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:16:57,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:57,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098194371] [2022-07-20 04:16:57,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098194371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:57,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:57,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:57,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003905401] [2022-07-20 04:16:57,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:57,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:57,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:57,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:57,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:57,183 INFO L87 Difference]: Start difference. First operand 3242 states and 4393 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:17:02,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:02,272 INFO L93 Difference]: Finished difference Result 3242 states and 4393 transitions. [2022-07-20 04:17:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:02,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2022-07-20 04:17:02,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:02,285 INFO L225 Difference]: With dead ends: 3242 [2022-07-20 04:17:02,285 INFO L226 Difference]: Without dead ends: 3240 [2022-07-20 04:17:02,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:02,287 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 3689 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 4117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:02,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 3139 Invalid, 4117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-20 04:17:02,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-07-20 04:17:02,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 3240. [2022-07-20 04:17:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3240 states, 2220 states have (on average 1.231081081081081) internal successors, (2733), 2326 states have internal predecessors, (2733), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 3240 states and 4391 transitions. [2022-07-20 04:17:02,450 INFO L78 Accepts]: Start accepts. Automaton has 3240 states and 4391 transitions. Word has length 133 [2022-07-20 04:17:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:02,450 INFO L495 AbstractCegarLoop]: Abstraction has 3240 states and 4391 transitions. [2022-07-20 04:17:02,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:17:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3240 states and 4391 transitions. [2022-07-20 04:17:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-20 04:17:02,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:02,453 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:17:02,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 04:17:02,453 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:02,454 INFO L85 PathProgramCache]: Analyzing trace with hash -523651152, now seen corresponding path program 1 times [2022-07-20 04:17:02,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:02,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132225619] [2022-07-20 04:17:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:17:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:17:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:17:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:17:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:17:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:17:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:17:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:17:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 04:17:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:17:02,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:02,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132225619] [2022-07-20 04:17:02,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132225619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:02,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:02,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697029194] [2022-07-20 04:17:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:02,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:02,715 INFO L87 Difference]: Start difference. First operand 3240 states and 4391 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 04:17:06,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:08,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:11,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:13,377 INFO L93 Difference]: Finished difference Result 3240 states and 4391 transitions. [2022-07-20 04:17:13,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:13,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2022-07-20 04:17:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:13,391 INFO L225 Difference]: With dead ends: 3240 [2022-07-20 04:17:13,391 INFO L226 Difference]: Without dead ends: 3238 [2022-07-20 04:17:13,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:13,394 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 3683 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 1788 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3842 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 4115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:13,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 3137 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2324 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-07-20 04:17:13,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-07-20 04:17:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2022-07-20 04:17:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 2219 states have (on average 1.2307345651194233) internal successors, (2731), 2324 states have internal predecessors, (2731), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4389 transitions. [2022-07-20 04:17:13,584 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4389 transitions. Word has length 139 [2022-07-20 04:17:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:13,584 INFO L495 AbstractCegarLoop]: Abstraction has 3238 states and 4389 transitions. [2022-07-20 04:17:13,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 04:17:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4389 transitions. [2022-07-20 04:17:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-20 04:17:13,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:13,587 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:17:13,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 04:17:13,588 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1547787098, now seen corresponding path program 1 times [2022-07-20 04:17:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:13,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911773861] [2022-07-20 04:17:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:17:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:17:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:17:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:17:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:17:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:17:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:17:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:17:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 04:17:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:17:13,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:13,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911773861] [2022-07-20 04:17:13,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911773861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:13,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:13,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:13,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519254540] [2022-07-20 04:17:13,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:13,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:13,860 INFO L87 Difference]: Start difference. First operand 3238 states and 4389 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:18,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:18,894 INFO L93 Difference]: Finished difference Result 3238 states and 4389 transitions. [2022-07-20 04:17:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:18,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2022-07-20 04:17:18,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:18,905 INFO L225 Difference]: With dead ends: 3238 [2022-07-20 04:17:18,905 INFO L226 Difference]: Without dead ends: 3236 [2022-07-20 04:17:18,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:18,908 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 3677 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:18,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 3135 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 04:17:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2022-07-20 04:17:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 3236. [2022-07-20 04:17:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 2218 states have (on average 1.2303877366997296) internal successors, (2729), 2322 states have internal predecessors, (2729), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 4387 transitions. [2022-07-20 04:17:19,089 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 4387 transitions. Word has length 145 [2022-07-20 04:17:19,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:19,090 INFO L495 AbstractCegarLoop]: Abstraction has 3236 states and 4387 transitions. [2022-07-20 04:17:19,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 4387 transitions. [2022-07-20 04:17:19,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-20 04:17:19,093 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:19,093 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:17:19,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 04:17:19,094 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:19,095 INFO L85 PathProgramCache]: Analyzing trace with hash -477664965, now seen corresponding path program 1 times [2022-07-20 04:17:19,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:19,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232380108] [2022-07-20 04:17:19,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:19,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:17:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:17:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:17:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:17:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:17:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:17:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:17:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:17:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 04:17:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:17:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:17:19,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:19,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232380108] [2022-07-20 04:17:19,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232380108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:19,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:19,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:19,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344725030] [2022-07-20 04:17:19,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:19,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:19,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:19,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:19,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:19,401 INFO L87 Difference]: Start difference. First operand 3236 states and 4387 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 04:17:21,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:23,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:26,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:28,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:28,970 INFO L93 Difference]: Finished difference Result 3236 states and 4387 transitions. [2022-07-20 04:17:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:28,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2022-07-20 04:17:28,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:28,979 INFO L225 Difference]: With dead ends: 3236 [2022-07-20 04:17:28,980 INFO L226 Difference]: Without dead ends: 3234 [2022-07-20 04:17:28,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:28,981 INFO L413 NwaCegarLoop]: 1984 mSDtfsCounter, 3671 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 4111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:28,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 3133 Invalid, 4111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2321 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-07-20 04:17:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2022-07-20 04:17:29,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3234. [2022-07-20 04:17:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 2217 states have (on average 1.2300405953991882) internal successors, (2727), 2320 states have internal predecessors, (2727), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 4385 transitions. [2022-07-20 04:17:29,166 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 4385 transitions. Word has length 151 [2022-07-20 04:17:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:29,166 INFO L495 AbstractCegarLoop]: Abstraction has 3234 states and 4385 transitions. [2022-07-20 04:17:29,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 04:17:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 4385 transitions. [2022-07-20 04:17:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-20 04:17:29,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:29,170 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:17:29,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 04:17:29,170 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:29,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1571044847, now seen corresponding path program 1 times [2022-07-20 04:17:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:29,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174078509] [2022-07-20 04:17:29,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:17:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:17:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:17:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:17:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:17:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:17:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:17:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:17:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 04:17:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:17:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 04:17:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:17:29,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:29,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174078509] [2022-07-20 04:17:29,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174078509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:29,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:29,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:29,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699670457] [2022-07-20 04:17:29,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:29,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:29,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:29,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:29,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:29,446 INFO L87 Difference]: Start difference. First operand 3234 states and 4385 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 04:17:32,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:34,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:37,818 INFO L93 Difference]: Finished difference Result 3234 states and 4385 transitions. [2022-07-20 04:17:37,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:37,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2022-07-20 04:17:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:37,827 INFO L225 Difference]: With dead ends: 3234 [2022-07-20 04:17:37,827 INFO L226 Difference]: Without dead ends: 3232 [2022-07-20 04:17:37,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:37,829 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 3665 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 4109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3821 Valid, 3131 Invalid, 4109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2320 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-07-20 04:17:37,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3232 states. [2022-07-20 04:17:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3232 to 3232. [2022-07-20 04:17:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 2216 states have (on average 1.2296931407942238) internal successors, (2725), 2318 states have internal predecessors, (2725), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4383 transitions. [2022-07-20 04:17:38,021 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4383 transitions. Word has length 157 [2022-07-20 04:17:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:38,021 INFO L495 AbstractCegarLoop]: Abstraction has 3232 states and 4383 transitions. [2022-07-20 04:17:38,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 04:17:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4383 transitions. [2022-07-20 04:17:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-20 04:17:38,024 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:38,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-20 04:17:38,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 04:17:38,025 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:38,025 INFO L85 PathProgramCache]: Analyzing trace with hash 384166137, now seen corresponding path program 1 times [2022-07-20 04:17:38,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:38,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331269994] [2022-07-20 04:17:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 04:17:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:17:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 04:17:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 04:17:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:17:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 04:17:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 04:17:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 04:17:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 04:17:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:17:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 04:17:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-20 04:17:38,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:38,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331269994] [2022-07-20 04:17:38,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331269994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:38,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:38,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:38,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113824911] [2022-07-20 04:17:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:38,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:38,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:38,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:38,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:38,304 INFO L87 Difference]: Start difference. First operand 3232 states and 4383 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 04:17:41,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:44,395 INFO L93 Difference]: Finished difference Result 3232 states and 4383 transitions. [2022-07-20 04:17:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:44,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2022-07-20 04:17:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:44,404 INFO L225 Difference]: With dead ends: 3232 [2022-07-20 04:17:44,404 INFO L226 Difference]: Without dead ends: 3230 [2022-07-20 04:17:44,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:44,406 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 3659 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 3129 SdHoareTripleChecker+Invalid, 4107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:44,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3814 Valid, 3129 Invalid, 4107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-20 04:17:44,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2022-07-20 04:17:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 3230. [2022-07-20 04:17:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 2215 states have (on average 1.2293453724604966) internal successors, (2723), 2316 states have internal predecessors, (2723), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4381 transitions. [2022-07-20 04:17:44,603 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4381 transitions. Word has length 163 [2022-07-20 04:17:44,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:44,603 INFO L495 AbstractCegarLoop]: Abstraction has 3230 states and 4381 transitions. [2022-07-20 04:17:44,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 04:17:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4381 transitions. [2022-07-20 04:17:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-20 04:17:44,606 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:44,607 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 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] [2022-07-20 04:17:44,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 04:17:44,607 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1209126628, now seen corresponding path program 1 times [2022-07-20 04:17:44,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:44,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381886308] [2022-07-20 04:17:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 04:17:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 04:17:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 04:17:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 04:17:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 04:17:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:17:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-20 04:17:44,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:44,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381886308] [2022-07-20 04:17:44,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381886308] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:44,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:44,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:17:44,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252507321] [2022-07-20 04:17:44,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:44,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:17:44,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:44,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:17:44,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:17:44,929 INFO L87 Difference]: Start difference. First operand 3230 states and 4381 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-20 04:17:48,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:50,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:54,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:58,746 INFO L93 Difference]: Finished difference Result 6416 states and 8808 transitions. [2022-07-20 04:17:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 04:17:58,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 211 [2022-07-20 04:17:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:58,758 INFO L225 Difference]: With dead ends: 6416 [2022-07-20 04:17:58,758 INFO L226 Difference]: Without dead ends: 3332 [2022-07-20 04:17:58,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-07-20 04:17:58,769 INFO L413 NwaCegarLoop]: 1977 mSDtfsCounter, 3027 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 5069 mSolverCounterSat, 2066 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 3949 SdHoareTripleChecker+Invalid, 7137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 5069 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:58,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 3949 Invalid, 7137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2066 Valid, 5069 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2022-07-20 04:17:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-20 04:17:58,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3236. [2022-07-20 04:17:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 2221 states have (on average 1.2287257991895542) internal successors, (2729), 2322 states have internal predecessors, (2729), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-20 04:17:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 4387 transitions. [2022-07-20 04:17:58,973 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 4387 transitions. Word has length 211 [2022-07-20 04:17:58,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:58,974 INFO L495 AbstractCegarLoop]: Abstraction has 3236 states and 4387 transitions. [2022-07-20 04:17:58,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-20 04:17:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 4387 transitions. [2022-07-20 04:17:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-20 04:17:58,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:58,977 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 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] [2022-07-20 04:17:58,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 04:17:58,978 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-20 04:17:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:58,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2018473254, now seen corresponding path program 1 times [2022-07-20 04:17:58,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:58,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213882842] [2022-07-20 04:17:58,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-20 04:17:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 04:17:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 04:17:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:17:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 04:17:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 04:17:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 04:17:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 04:17:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 04:17:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 04:17:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 04:17:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:17:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:17:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-20 04:17:59,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:59,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213882842] [2022-07-20 04:17:59,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213882842] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:59,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:59,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:17:59,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24133002] [2022-07-20 04:17:59,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:59,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:17:59,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:59,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:17:59,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:17:59,441 INFO L87 Difference]: Start difference. First operand 3236 states and 4387 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 04:18:05,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:18:07,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []