./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 791161d1 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-?-791161d [2022-07-23 04:29:11,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:29:11,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:29:11,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:29:11,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:29:11,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:29:11,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:29:11,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:29:11,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:29:11,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:29:11,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:29:11,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:29:11,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:29:11,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:29:11,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:29:11,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:29:11,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:29:11,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:29:11,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:29:11,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:29:11,854 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:29:11,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:29:11,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:29:11,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:29:11,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:29:11,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:29:11,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:29:11,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:29:11,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:29:11,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:29:11,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:29:11,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:29:11,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:29:11,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:29:11,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:29:11,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:29:11,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:29:11,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:29:11,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:29:11,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:29:11,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:29:11,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:29:11,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:29:11,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:29:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:29:11,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:29:11,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:29:11,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:29:11,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:29:11,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:29:11,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:29:11,915 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:29:11,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:29:11,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:29:11,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:29:11,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:29:11,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:29:11,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:29:11,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:29:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:29:11,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:29:11,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:29:11,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:29:11,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:29:11,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:29:11,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:29:11,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:29:11,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:29:11,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:29:11,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:29:11,921 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:29:11,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:29:11,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:29:11,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2022-07-23 04:29:12,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:29:12,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:29:12,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:29:12,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:29:12,162 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:29:12,163 INFO L432 ainManager$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 [2022-07-23 04:29:12,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a48f015/9034cca706ae4113a5d9e9f306ae9f3e/FLAG8b909fe17 [2022-07-23 04:29:12,980 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:29:12,981 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 [2022-07-23 04:29:13,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a48f015/9034cca706ae4113a5d9e9f306ae9f3e/FLAG8b909fe17 [2022-07-23 04:29:13,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a48f015/9034cca706ae4113a5d9e9f306ae9f3e [2022-07-23 04:29:13,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:29:13,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:29:13,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:29:13,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:29:13,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:29:13,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:29:13" (1/1) ... [2022-07-23 04:29:13,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d692b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:13, skipping insertion in model container [2022-07-23 04:29:13,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:29:13" (1/1) ... [2022-07-23 04:29:13,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:29:13,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:29:15,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:15,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:29:16,104 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:29:16,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2022-07-23 04:29:16,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2022-07-23 04:29:16,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2022-07-23 04:29:16,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2022-07-23 04:29:16,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2022-07-23 04:29:16,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2022-07-23 04:29:16,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2022-07-23 04:29:16,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-23 04:29:16,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2022-07-23 04:29:16,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2022-07-23 04:29:16,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2022-07-23 04:29:16,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2022-07-23 04:29:16,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2022-07-23 04:29:16,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2022-07-23 04:29:16,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:29:16,684 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:29:16,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16 WrapperNode [2022-07-23 04:29:16,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:29:16,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:29:16,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:29:16,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:29:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:16,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,368 INFO L137 Inliner]: procedures = 635, calls = 2105, calls flagged for inlining = 297, calls inlined = 221, statements flattened = 4958 [2022-07-23 04:29:17,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:29:17,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:29:17,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:29:17,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:29:17,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:17,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:18,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:18,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:29:18,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:29:18,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:29:18,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:29:18,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (1/1) ... [2022-07-23 04:29:18,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:29:18,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:29:18,317 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) [2022-07-23 04:29:18,337 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 [2022-07-23 04:29:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 04:29:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 04:29:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-23 04:29:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-23 04:29:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:29:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:29:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 04:29:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 04:29:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-23 04:29:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-23 04:29:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-23 04:29:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-23 04:29:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:29:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:29:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:29:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:29:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:29:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:29:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-23 04:29:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-23 04:29:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:29:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:29:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:29:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:29:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2022-07-23 04:29:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2022-07-23 04:29:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 04:29:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:29:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:29:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-23 04:29:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-23 04:29:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:29:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:29:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:29:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:29:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-23 04:29:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-23 04:29:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:29:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-23 04:29:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-23 04:29:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-23 04:29:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-23 04:29:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 04:29:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 04:29:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-23 04:29:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-23 04:29:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:29:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:29:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 04:29:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 04:29:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 04:29:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-23 04:29:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-23 04:29:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 04:29:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 04:29:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 04:29:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-23 04:29:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-23 04:29:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:29:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:29:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 04:29:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 04:29:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:29:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:29:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:29:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:29:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:29:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 04:29:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 04:29:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-23 04:29:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-23 04:29:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 04:29:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 04:29:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:29:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:29:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-23 04:29:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-23 04:29:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 04:29:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 04:29:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 04:29:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 04:29:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 04:29:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 04:29:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 04:29:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 04:29:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:29:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:29:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 04:29:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 04:29:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:29:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:29:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:29:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-23 04:29:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-23 04:29:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:29:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:29:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:29:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:29:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:29:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:29:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 04:29:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 04:29:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-23 04:29:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-23 04:29:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:29:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:29:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 04:29:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 04:29:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-23 04:29:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-23 04:29:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-23 04:29:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-23 04:29:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 04:29:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 04:29:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 04:29:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 04:29:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:29:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:29:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-23 04:29:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-23 04:29:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-23 04:29:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-23 04:29:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-23 04:29:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-23 04:29:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:29:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:29:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 04:29:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 04:29:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-23 04:29:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-23 04:29:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:29:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:29:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:29:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:29:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:29:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:29:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-23 04:29:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-23 04:29:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-23 04:29:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-23 04:29:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-23 04:29:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-23 04:29:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-23 04:29:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-23 04:29:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 04:29:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 04:29:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-23 04:29:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-23 04:29:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-23 04:29:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-23 04:29:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 04:29:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 04:29:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 04:29:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 04:29:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-23 04:29:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-23 04:29:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-23 04:29:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-23 04:29:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2022-07-23 04:29:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2022-07-23 04:29:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-23 04:29:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-23 04:29:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:29:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:29:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-23 04:29:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-23 04:29:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-23 04:29:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-23 04:29:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:29:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:29:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:29:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 04:29:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 04:29:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:29:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:29:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-23 04:29:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-23 04:29:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-23 04:29:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-23 04:29:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:29:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-23 04:29:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-23 04:29:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:29:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 04:29:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 04:29:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 04:29:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 04:29:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:29:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:29:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 04:29:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 04:29:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:29:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:29:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 04:29:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 04:29:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 04:29:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 04:29:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-23 04:29:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-23 04:29:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:29:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:29:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 04:29:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 04:29:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:29:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:29:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-23 04:29:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-23 04:29:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-23 04:29:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-23 04:29:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 04:29:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 04:29:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:29:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:29:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:29:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:29:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 04:29:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 04:29:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-23 04:29:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-23 04:29:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:29:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-23 04:29:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-23 04:29:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-23 04:29:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-23 04:29:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:29:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:29:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2022-07-23 04:29:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2022-07-23 04:29:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:29:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:29:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:29:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:29:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-23 04:29:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-23 04:29:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:29:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:29:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:29:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:29:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 04:29:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 04:29:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2022-07-23 04:29:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2022-07-23 04:29:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2022-07-23 04:29:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2022-07-23 04:29:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-23 04:29:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-23 04:29:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 04:29:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:29:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2022-07-23 04:29:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2022-07-23 04:29:19,276 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:29:19,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:29:19,438 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:29:32,030 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:29:32,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:29:32,053 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 04:29:32,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:29:32 BoogieIcfgContainer [2022-07-23 04:29:32,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:29:32,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:29:32,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:29:32,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:29:32,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:29:13" (1/3) ... [2022-07-23 04:29:32,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55233c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:29:32, skipping insertion in model container [2022-07-23 04:29:32,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:16" (2/3) ... [2022-07-23 04:29:32,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55233c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:29:32, skipping insertion in model container [2022-07-23 04:29:32,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:29:32" (3/3) ... [2022-07-23 04:29:32,066 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2022-07-23 04:29:32,078 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:29:32,079 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-07-23 04:29:32,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:29:32,192 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@4ce6b90a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@986b43 [2022-07-23 04:29:32,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-07-23 04:29:32,202 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) [2022-07-23 04:29:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-23 04:29:32,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:29:32,217 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] [2022-07-23 04:29:32,217 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)] === [2022-07-23 04:29:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:29:32,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1255724155, now seen corresponding path program 1 times [2022-07-23 04:29:32,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:29:32,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025469633] [2022-07-23 04:29:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:29:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:29:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:29:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:29:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:29:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:29:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:29:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:29:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:29:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:29:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:29:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:29:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:29:32,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:29:32,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025469633] [2022-07-23 04:29:32,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025469633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:29:32,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:29:32,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:29:32,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024375770] [2022-07-23 04:29:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:29:32,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:29:32,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:29:32,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:29:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:29:32,995 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) [2022-07-23 04:29:37,518 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 [] [2022-07-23 04:29:39,596 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 [] [2022-07-23 04:29:42,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:29:42,603 INFO L93 Difference]: Finished difference Result 3438 states and 4733 transitions. [2022-07-23 04:29:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:29:42,608 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 [2022-07-23 04:29:42,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:29:42,644 INFO L225 Difference]: With dead ends: 3438 [2022-07-23 04:29:42,645 INFO L226 Difference]: Without dead ends: 1723 [2022-07-23 04:29:42,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:29:42,662 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 3814 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 1805 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:29:42,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 3221 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 2371 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-07-23 04:29:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-07-23 04:29:42,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1723. [2022-07-23 04:29:42,785 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) [2022-07-23 04:29:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2260 transitions. [2022-07-23 04:29:42,799 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2260 transitions. Word has length 71 [2022-07-23 04:29:42,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:29:42,801 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2260 transitions. [2022-07-23 04:29:42,801 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) [2022-07-23 04:29:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2260 transitions. [2022-07-23 04:29:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-23 04:29:42,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:29:42,804 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] [2022-07-23 04:29:42,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:29:42,805 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)] === [2022-07-23 04:29:42,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:29:42,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1918160651, now seen corresponding path program 1 times [2022-07-23 04:29:42,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:29:42,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3279706] [2022-07-23 04:29:42,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:29:42,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:29:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:29:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:29:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:29:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:29:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:29:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:29:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:29:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:29:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:29:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:29:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:29:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:29:43,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:29:43,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3279706] [2022-07-23 04:29:43,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3279706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:29:43,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:29:43,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:29:43,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055204579] [2022-07-23 04:29:43,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:29:43,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:29:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:29:43,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:29:43,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:29:43,173 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) [2022-07-23 04:29:48,281 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 [] [2022-07-23 04:29:51,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:29:51,288 INFO L93 Difference]: Finished difference Result 1723 states and 2260 transitions. [2022-07-23 04:29:51,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:29:51,288 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 [2022-07-23 04:29:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:29:51,303 INFO L225 Difference]: With dead ends: 1723 [2022-07-23 04:29:51,304 INFO L226 Difference]: Without dead ends: 1721 [2022-07-23 04:29:51,305 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 [2022-07-23 04:29:51,306 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 [2022-07-23 04:29:51,306 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] [2022-07-23 04:29:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-23 04:29:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2022-07-23 04:29:51,380 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) [2022-07-23 04:29:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2258 transitions. [2022-07-23 04:29:51,390 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2258 transitions. Word has length 77 [2022-07-23 04:29:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:29:51,392 INFO L495 AbstractCegarLoop]: Abstraction has 1721 states and 2258 transitions. [2022-07-23 04:29:51,393 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) [2022-07-23 04:29:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2258 transitions. [2022-07-23 04:29:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-23 04:29:51,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:29:51,397 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] [2022-07-23 04:29:51,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:29:51,398 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)] === [2022-07-23 04:29:51,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:29:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1824780030, now seen corresponding path program 1 times [2022-07-23 04:29:51,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:29:51,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837047126] [2022-07-23 04:29:51,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:29:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:29:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:29:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:29:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:29:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:29:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:29:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:29:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:29:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:29:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:29:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:29:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:29:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:29:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:29:51,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:29:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837047126] [2022-07-23 04:29:51,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837047126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:29:51,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:29:51,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:29:51,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297706083] [2022-07-23 04:29:51,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:29:51,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:29:51,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:29:51,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:29:51,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:29:51,728 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) [2022-07-23 04:29:55,987 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 [] [2022-07-23 04:29:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:29:58,755 INFO L93 Difference]: Finished difference Result 1721 states and 2258 transitions. [2022-07-23 04:29:58,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:29:58,755 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 [2022-07-23 04:29:58,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:29:58,779 INFO L225 Difference]: With dead ends: 1721 [2022-07-23 04:29:58,779 INFO L226 Difference]: Without dead ends: 1719 [2022-07-23 04:29:58,781 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 [2022-07-23 04:29:58,785 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 3767 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:29:58,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3935 Valid, 3165 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2354 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 04:29:58,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-07-23 04:29:58,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2022-07-23 04:29:58,841 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) [2022-07-23 04:29:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2256 transitions. [2022-07-23 04:29:58,850 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2256 transitions. Word has length 83 [2022-07-23 04:29:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:29:58,851 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 2256 transitions. [2022-07-23 04:29:58,851 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) [2022-07-23 04:29:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2256 transitions. [2022-07-23 04:29:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-23 04:29:58,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:29:58,853 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] [2022-07-23 04:29:58,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:29:58,853 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)] === [2022-07-23 04:29:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:29:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash -335668616, now seen corresponding path program 1 times [2022-07-23 04:29:58,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:29:58,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904532844] [2022-07-23 04:29:58,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:29:58,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:29:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:29:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:29:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:29:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:29:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:29:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:29:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:29:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:29:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:29:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:29:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:29:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:29:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:29:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:29:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:29:59,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:29:59,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904532844] [2022-07-23 04:29:59,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904532844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:29:59,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:29:59,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:29:59,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272628400] [2022-07-23 04:29:59,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:29:59,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:29:59,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:29:59,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:29:59,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:29:59,091 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) [2022-07-23 04:30:03,224 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 [] [2022-07-23 04:30:05,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:05,913 INFO L93 Difference]: Finished difference Result 1719 states and 2256 transitions. [2022-07-23 04:30:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:05,913 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 [2022-07-23 04:30:05,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:05,923 INFO L225 Difference]: With dead ends: 1719 [2022-07-23 04:30:05,923 INFO L226 Difference]: Without dead ends: 1717 [2022-07-23 04:30:05,924 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 [2022-07-23 04:30:05,925 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 3761 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s 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, 6.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:05,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 3163 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2352 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-07-23 04:30:05,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-07-23 04:30:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-07-23 04:30:05,985 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) [2022-07-23 04:30:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2254 transitions. [2022-07-23 04:30:05,994 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2254 transitions. Word has length 89 [2022-07-23 04:30:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:05,995 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 2254 transitions. [2022-07-23 04:30:05,995 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) [2022-07-23 04:30:05,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2254 transitions. [2022-07-23 04:30:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-23 04:30:05,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:05,997 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] [2022-07-23 04:30:05,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:30:05,997 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)] === [2022-07-23 04:30:05,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:05,998 INFO L85 PathProgramCache]: Analyzing trace with hash -398152295, now seen corresponding path program 1 times [2022-07-23 04:30:05,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:05,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664429123] [2022-07-23 04:30:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:06,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:06,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664429123] [2022-07-23 04:30:06,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664429123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:06,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:06,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:06,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579779677] [2022-07-23 04:30:06,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:06,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:06,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:06,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:06,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:06,371 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) [2022-07-23 04:30:10,501 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 [] [2022-07-23 04:30:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:13,071 INFO L93 Difference]: Finished difference Result 1717 states and 2254 transitions. [2022-07-23 04:30:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:13,071 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 [2022-07-23 04:30:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:13,081 INFO L225 Difference]: With dead ends: 1717 [2022-07-23 04:30:13,082 INFO L226 Difference]: Without dead ends: 1715 [2022-07-23 04:30:13,083 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 [2022-07-23 04:30:13,084 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 3755 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:13,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3921 Valid, 3161 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2350 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-07-23 04:30:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2022-07-23 04:30:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2022-07-23 04:30:13,147 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) [2022-07-23 04:30:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2252 transitions. [2022-07-23 04:30:13,156 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2252 transitions. Word has length 95 [2022-07-23 04:30:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:13,157 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2252 transitions. [2022-07-23 04:30:13,157 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) [2022-07-23 04:30:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2252 transitions. [2022-07-23 04:30:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-23 04:30:13,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:13,158 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] [2022-07-23 04:30:13,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 04:30:13,159 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)] === [2022-07-23 04:30:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1557547795, now seen corresponding path program 1 times [2022-07-23 04:30:13,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:13,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022026061] [2022-07-23 04:30:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:13,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:30:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:13,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:13,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022026061] [2022-07-23 04:30:13,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022026061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:13,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:13,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:13,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655895901] [2022-07-23 04:30:13,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:13,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:13,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:13,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:13,509 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) [2022-07-23 04:30:17,974 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 [] [2022-07-23 04:30:20,049 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 [] [2022-07-23 04:30:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:22,582 INFO L93 Difference]: Finished difference Result 1715 states and 2252 transitions. [2022-07-23 04:30:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:22,585 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 [2022-07-23 04:30:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:22,593 INFO L225 Difference]: With dead ends: 1715 [2022-07-23 04:30:22,593 INFO L226 Difference]: Without dead ends: 1713 [2022-07-23 04:30:22,593 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 [2022-07-23 04:30:22,594 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 3749 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:22,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 3159 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2347 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-07-23 04:30:22,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-07-23 04:30:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2022-07-23 04:30:22,661 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) [2022-07-23 04:30:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2250 transitions. [2022-07-23 04:30:22,668 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2250 transitions. Word has length 101 [2022-07-23 04:30:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:22,669 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2250 transitions. [2022-07-23 04:30:22,669 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) [2022-07-23 04:30:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2250 transitions. [2022-07-23 04:30:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-23 04:30:22,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:22,670 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] [2022-07-23 04:30:22,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 04:30:22,671 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)] === [2022-07-23 04:30:22,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:22,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1869991453, now seen corresponding path program 1 times [2022-07-23 04:30:22,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:22,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448285354] [2022-07-23 04:30:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:22,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:30:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:30:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:22,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:22,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448285354] [2022-07-23 04:30:22,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448285354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:22,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:22,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:22,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367613103] [2022-07-23 04:30:22,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:22,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:22,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:22,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:22,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:22,950 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) [2022-07-23 04:30:27,079 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 [] [2022-07-23 04:30:29,166 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 [] [2022-07-23 04:30:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:31,489 INFO L93 Difference]: Finished difference Result 1713 states and 2250 transitions. [2022-07-23 04:30:31,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:31,489 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 [2022-07-23 04:30:31,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:31,497 INFO L225 Difference]: With dead ends: 1713 [2022-07-23 04:30:31,497 INFO L226 Difference]: Without dead ends: 1711 [2022-07-23 04:30:31,498 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 [2022-07-23 04:30:31,498 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 3743 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 3157 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:31,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 3157 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2345 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-07-23 04:30:31,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-07-23 04:30:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2022-07-23 04:30:31,561 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) [2022-07-23 04:30:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2248 transitions. [2022-07-23 04:30:31,567 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2248 transitions. Word has length 107 [2022-07-23 04:30:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:31,568 INFO L495 AbstractCegarLoop]: Abstraction has 1711 states and 2248 transitions. [2022-07-23 04:30:31,568 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) [2022-07-23 04:30:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2248 transitions. [2022-07-23 04:30:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 04:30:31,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:31,570 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] [2022-07-23 04:30:31,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 04:30:31,570 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)] === [2022-07-23 04:30:31,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:31,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1122418189, now seen corresponding path program 1 times [2022-07-23 04:30:31,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:31,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435644922] [2022-07-23 04:30:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:30:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:30:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:30:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:31,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:31,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435644922] [2022-07-23 04:30:31,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435644922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:31,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:31,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:31,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624448174] [2022-07-23 04:30:31,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:31,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:31,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:31,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:31,837 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) [2022-07-23 04:30:35,949 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 [] [2022-07-23 04:30:38,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-23 04:30:40,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:30:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:42,633 INFO L93 Difference]: Finished difference Result 1711 states and 2248 transitions. [2022-07-23 04:30:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:42,637 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 [2022-07-23 04:30:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:42,644 INFO L225 Difference]: With dead ends: 1711 [2022-07-23 04:30:42,644 INFO L226 Difference]: Without dead ends: 1709 [2022-07-23 04:30:42,645 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 [2022-07-23 04:30:42,646 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 3741 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 1788 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3904 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:42,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3904 Valid, 3155 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2338 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-07-23 04:30:42,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-07-23 04:30:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2022-07-23 04:30:42,714 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) [2022-07-23 04:30:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2246 transitions. [2022-07-23 04:30:42,721 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2246 transitions. Word has length 113 [2022-07-23 04:30:42,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:42,722 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2246 transitions. [2022-07-23 04:30:42,722 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) [2022-07-23 04:30:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2246 transitions. [2022-07-23 04:30:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-23 04:30:42,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:42,724 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] [2022-07-23 04:30:42,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:30:42,724 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)] === [2022-07-23 04:30:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash -606950218, now seen corresponding path program 1 times [2022-07-23 04:30:42,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:42,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499100519] [2022-07-23 04:30:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:30:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:30:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:42,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:30:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:43,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:43,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499100519] [2022-07-23 04:30:43,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499100519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:43,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:43,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015777294] [2022-07-23 04:30:43,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:43,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:43,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:43,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:43,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:43,003 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) [2022-07-23 04:30:47,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:30:49,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-23 04:30:51,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:51,864 INFO L93 Difference]: Finished difference Result 1709 states and 2246 transitions. [2022-07-23 04:30:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:51,864 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 [2022-07-23 04:30:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:51,871 INFO L225 Difference]: With dead ends: 1709 [2022-07-23 04:30:51,871 INFO L226 Difference]: Without dead ends: 1707 [2022-07-23 04:30:51,872 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 [2022-07-23 04:30:51,872 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 3729 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:51,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3153 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2341 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-07-23 04:30:51,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-23 04:30:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2022-07-23 04:30:51,940 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) [2022-07-23 04:30:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-23 04:30:51,946 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 115 [2022-07-23 04:30:51,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:51,947 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-23 04:30:51,947 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) [2022-07-23 04:30:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-23 04:30:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-23 04:30:51,949 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:51,949 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] [2022-07-23 04:30:51,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:30:51,950 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)] === [2022-07-23 04:30:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash 110614786, now seen corresponding path program 1 times [2022-07-23 04:30:51,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:51,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33277619] [2022-07-23 04:30:51,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:51,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:30:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:30:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:30:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:30:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:30:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:30:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:30:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:30:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:30:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:30:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:30:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:30:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:30:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:30:52,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:52,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33277619] [2022-07-23 04:30:52,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33277619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:52,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:52,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422394649] [2022-07-23 04:30:52,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:52,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:52,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:52,185 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) [2022-07-23 04:30:56,994 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 [] [2022-07-23 04:30:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:59,392 INFO L93 Difference]: Finished difference Result 1707 states and 2244 transitions. [2022-07-23 04:30:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:59,393 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 [2022-07-23 04:30:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:59,399 INFO L225 Difference]: With dead ends: 1707 [2022-07-23 04:30:59,399 INFO L226 Difference]: Without dead ends: 1705 [2022-07-23 04:30:59,400 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 [2022-07-23 04:30:59,401 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 3725 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 7.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:59,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 3151 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2340 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-07-23 04:30:59,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-07-23 04:30:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2022-07-23 04:30:59,464 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) [2022-07-23 04:30:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2242 transitions. [2022-07-23 04:30:59,469 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2242 transitions. Word has length 121 [2022-07-23 04:30:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:59,470 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2242 transitions. [2022-07-23 04:30:59,470 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) [2022-07-23 04:30:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2242 transitions. [2022-07-23 04:30:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-23 04:30:59,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:59,472 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] [2022-07-23 04:30:59,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:30:59,473 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)] === [2022-07-23 04:30:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 747162463, now seen corresponding path program 1 times [2022-07-23 04:30:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:59,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402903354] [2022-07-23 04:30:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:30:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:30:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:30:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:30:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:30:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:30:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:30:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:30:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:30:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:30:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:30:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:30:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:30:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:30:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:30:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:30:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:30:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:30:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 04:30:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:30:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:30:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:30:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-23 04:30:59,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:59,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402903354] [2022-07-23 04:30:59,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402903354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:59,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:59,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:30:59,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165190421] [2022-07-23 04:30:59,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:59,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:30:59,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:59,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:30:59,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:30:59,935 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) [2022-07-23 04:31:05,843 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 [] [2022-07-23 04:31:08,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:12,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:14,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:17,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:19,479 INFO L93 Difference]: Finished difference Result 1866 states and 2487 transitions. [2022-07-23 04:31:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:31:19,480 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 [2022-07-23 04:31:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:19,493 INFO L225 Difference]: With dead ends: 1866 [2022-07-23 04:31:19,493 INFO L226 Difference]: Without dead ends: 1864 [2022-07-23 04:31:19,493 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 [2022-07-23 04:31:19,494 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 3079 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 5117 mSolverCounterSat, 2048 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 3974 SdHoareTripleChecker+Invalid, 7170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 5117 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:19,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 3974 Invalid, 7170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2048 Valid, 5117 Invalid, 5 Unknown, 0 Unchecked, 19.3s Time] [2022-07-23 04:31:19,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-07-23 04:31:19,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1707. [2022-07-23 04:31:19,600 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) [2022-07-23 04:31:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-23 04:31:19,606 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 168 [2022-07-23 04:31:19,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:19,607 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-23 04:31:19,607 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) [2022-07-23 04:31:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-23 04:31:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-23 04:31:19,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:19,610 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] [2022-07-23 04:31:19,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 04:31:19,610 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)] === [2022-07-23 04:31:19,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:19,610 INFO L85 PathProgramCache]: Analyzing trace with hash 747102881, now seen corresponding path program 1 times [2022-07-23 04:31:19,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:19,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948454798] [2022-07-23 04:31:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:19,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:31:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:31:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:31:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:31:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:31:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:31:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 04:31:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:31:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:31:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:31:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-23 04:31:20,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:20,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948454798] [2022-07-23 04:31:20,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948454798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:20,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:20,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 04:31:20,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881072321] [2022-07-23 04:31:20,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:20,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 04:31:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:20,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 04:31:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:31:20,005 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) [2022-07-23 04:31:27,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:29,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:33,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:35,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:38,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:38,736 INFO L93 Difference]: Finished difference Result 3524 states and 4727 transitions. [2022-07-23 04:31:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:31:38,737 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 [2022-07-23 04:31:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:38,748 INFO L225 Difference]: With dead ends: 3524 [2022-07-23 04:31:38,749 INFO L226 Difference]: Without dead ends: 1857 [2022-07-23 04:31:38,755 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 [2022-07-23 04:31:38,756 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 4696 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 7089 mSolverCounterSat, 2605 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4874 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 9698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2605 IncrementalHoareTripleChecker+Valid, 7089 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:38,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4874 Valid, 4308 Invalid, 9698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2605 Valid, 7089 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2022-07-23 04:31:38,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-07-23 04:31:38,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1703. [2022-07-23 04:31:38,842 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) [2022-07-23 04:31:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2239 transitions. [2022-07-23 04:31:38,848 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2239 transitions. Word has length 168 [2022-07-23 04:31:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:38,849 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 2239 transitions. [2022-07-23 04:31:38,849 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) [2022-07-23 04:31:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2239 transitions. [2022-07-23 04:31:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-23 04:31:38,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:38,851 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] [2022-07-23 04:31:38,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:31:38,852 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)] === [2022-07-23 04:31:38,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1963748082, now seen corresponding path program 1 times [2022-07-23 04:31:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:38,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204370507] [2022-07-23 04:31:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:31:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:31:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:31:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:31:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:31:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:31:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:31:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:31:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:31:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:31:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:31:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:31:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:31:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:31:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:31:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:31:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:31:39,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:39,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204370507] [2022-07-23 04:31:39,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204370507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:39,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:39,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:39,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638930363] [2022-07-23 04:31:39,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:39,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:39,165 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) [2022-07-23 04:31:43,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:45,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:48,010 INFO L93 Difference]: Finished difference Result 1703 states and 2239 transitions. [2022-07-23 04:31:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:48,010 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 [2022-07-23 04:31:48,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:48,020 INFO L225 Difference]: With dead ends: 1703 [2022-07-23 04:31:48,020 INFO L226 Difference]: Without dead ends: 1701 [2022-07-23 04:31:48,021 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 [2022-07-23 04:31:48,022 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 3710 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:48,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 3146 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2334 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-07-23 04:31:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-07-23 04:31:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1701. [2022-07-23 04:31:48,178 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) [2022-07-23 04:31:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2237 transitions. [2022-07-23 04:31:48,185 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2237 transitions. Word has length 127 [2022-07-23 04:31:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:48,185 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2237 transitions. [2022-07-23 04:31:48,185 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) [2022-07-23 04:31:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2237 transitions. [2022-07-23 04:31:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-23 04:31:48,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:48,188 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] [2022-07-23 04:31:48,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 04:31:48,188 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)] === [2022-07-23 04:31:48,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:48,189 INFO L85 PathProgramCache]: Analyzing trace with hash 660713222, now seen corresponding path program 1 times [2022-07-23 04:31:48,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:48,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261831411] [2022-07-23 04:31:48,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:31:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:31:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:31:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:31:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:31:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:31:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:31:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 04:31:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 04:31:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 04:31:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 04:31:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 04:31:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-07-23 04:31:48,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:48,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261831411] [2022-07-23 04:31:48,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261831411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:48,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:48,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:31:48,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266369989] [2022-07-23 04:31:48,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:48,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:31:48,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:48,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:31:48,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:31:48,542 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) [2022-07-23 04:31:51,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:54,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:57,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:59,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:03,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:05,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:14,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:14,103 INFO L93 Difference]: Finished difference Result 3557 states and 4769 transitions. [2022-07-23 04:32:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:32:14,104 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 [2022-07-23 04:32:14,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:14,122 INFO L225 Difference]: With dead ends: 3557 [2022-07-23 04:32:14,123 INFO L226 Difference]: Without dead ends: 3555 [2022-07-23 04:32:14,124 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 [2022-07-23 04:32:14,125 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 6690 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 9856 mSolverCounterSat, 4287 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6855 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 14147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4287 IncrementalHoareTripleChecker+Valid, 9856 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:14,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6855 Valid, 4972 Invalid, 14147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4287 Valid, 9856 Invalid, 4 Unknown, 0 Unchecked, 25.1s Time] [2022-07-23 04:32:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2022-07-23 04:32:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3259. [2022-07-23 04:32:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3259 states, 2236 states have (on average 1.2334525939177101) internal successors, (2758), 2344 states have internal predecessors, (2758), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 4417 transitions. [2022-07-23 04:32:14,313 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 4417 transitions. Word has length 164 [2022-07-23 04:32:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 3259 states and 4417 transitions. [2022-07-23 04:32:14,316 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) [2022-07-23 04:32:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 4417 transitions. [2022-07-23 04:32:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-23 04:32:14,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:14,319 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] [2022-07-23 04:32:14,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:32:14,319 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)] === [2022-07-23 04:32:14,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:14,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1187153551, now seen corresponding path program 1 times [2022-07-23 04:32:14,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:14,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202529169] [2022-07-23 04:32:14,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:14,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:32:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:32:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:32:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:32:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 04:32:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:32:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:32:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 04:32:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-23 04:32:14,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:14,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202529169] [2022-07-23 04:32:14,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202529169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:14,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:14,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:14,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156671544] [2022-07-23 04:32:14,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:14,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:14,635 INFO L87 Difference]: Start difference. First operand 3259 states and 4417 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) [2022-07-23 04:32:19,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:22,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:24,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:24,661 INFO L93 Difference]: Finished difference Result 6552 states and 9093 transitions. [2022-07-23 04:32:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:24,661 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 [2022-07-23 04:32:24,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:24,678 INFO L225 Difference]: With dead ends: 6552 [2022-07-23 04:32:24,678 INFO L226 Difference]: Without dead ends: 3333 [2022-07-23 04:32:24,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:32:24,693 INFO L413 NwaCegarLoop]: 1991 mSDtfsCounter, 4694 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 2602 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2602 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:24,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 2948 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2602 Valid, 1549 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2022-07-23 04:32:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2022-07-23 04:32:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3253. [2022-07-23 04:32:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 2231 states have (on average 1.2321828776333483) internal successors, (2749), 2338 states have internal predecessors, (2749), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 4408 transitions. [2022-07-23 04:32:24,882 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 4408 transitions. Word has length 175 [2022-07-23 04:32:24,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:24,882 INFO L495 AbstractCegarLoop]: Abstraction has 3253 states and 4408 transitions. [2022-07-23 04:32:24,882 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) [2022-07-23 04:32:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 4408 transitions. [2022-07-23 04:32:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-23 04:32:24,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:24,885 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] [2022-07-23 04:32:24,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 04:32:24,885 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)] === [2022-07-23 04:32:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1168266531, now seen corresponding path program 1 times [2022-07-23 04:32:24,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:24,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821797264] [2022-07-23 04:32:24,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:24,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:32:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:32:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:32:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:32:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:32:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:32:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:32:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:32:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:32:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:32:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:32:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:32:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:32:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:32:25,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:25,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821797264] [2022-07-23 04:32:25,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821797264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:25,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:25,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977518631] [2022-07-23 04:32:25,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:25,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:25,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:25,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:25,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:25,190 INFO L87 Difference]: Start difference. First operand 3253 states and 4408 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) [2022-07-23 04:32:29,233 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 [] [2022-07-23 04:32:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:32,211 INFO L93 Difference]: Finished difference Result 3253 states and 4408 transitions. [2022-07-23 04:32:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:32,211 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 [2022-07-23 04:32:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:32,223 INFO L225 Difference]: With dead ends: 3253 [2022-07-23 04:32:32,224 INFO L226 Difference]: Without dead ends: 3251 [2022-07-23 04:32:32,225 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 [2022-07-23 04:32:32,226 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 3689 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 4117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:32,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 3139 Invalid, 4117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2328 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 04:32:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2022-07-23 04:32:32,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3251. [2022-07-23 04:32:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 2230 states have (on average 1.2318385650224215) internal successors, (2747), 2336 states have internal predecessors, (2747), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4406 transitions. [2022-07-23 04:32:32,407 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4406 transitions. Word has length 133 [2022-07-23 04:32:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:32,407 INFO L495 AbstractCegarLoop]: Abstraction has 3251 states and 4406 transitions. [2022-07-23 04:32:32,408 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) [2022-07-23 04:32:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4406 transitions. [2022-07-23 04:32:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-23 04:32:32,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:32,410 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] [2022-07-23 04:32:32,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 04:32:32,410 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)] === [2022-07-23 04:32:32,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:32,411 INFO L85 PathProgramCache]: Analyzing trace with hash -523651152, now seen corresponding path program 1 times [2022-07-23 04:32:32,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:32,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358141620] [2022-07-23 04:32:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:32:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:32:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:32:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:32:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:32:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:32:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:32:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:32:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:32:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:32:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:32:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:32:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:32:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:32:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:32:32,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:32,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358141620] [2022-07-23 04:32:32,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358141620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:32,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:32,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759022875] [2022-07-23 04:32:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:32,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:32,663 INFO L87 Difference]: Start difference. First operand 3251 states and 4406 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) [2022-07-23 04:32:36,225 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 [] [2022-07-23 04:32:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:39,565 INFO L93 Difference]: Finished difference Result 3251 states and 4406 transitions. [2022-07-23 04:32:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:39,565 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 [2022-07-23 04:32:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:39,576 INFO L225 Difference]: With dead ends: 3251 [2022-07-23 04:32:39,576 INFO L226 Difference]: Without dead ends: 3249 [2022-07-23 04:32:39,578 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 [2022-07-23 04:32:39,579 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 3683 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3842 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 4115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:39,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 3137 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2326 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-07-23 04:32:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-07-23 04:32:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 3249. [2022-07-23 04:32:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 2229 states have (on average 1.2314939434724093) internal successors, (2745), 2334 states have internal predecessors, (2745), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 4404 transitions. [2022-07-23 04:32:39,759 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 4404 transitions. Word has length 139 [2022-07-23 04:32:39,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:39,759 INFO L495 AbstractCegarLoop]: Abstraction has 3249 states and 4404 transitions. [2022-07-23 04:32:39,759 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) [2022-07-23 04:32:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 4404 transitions. [2022-07-23 04:32:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-23 04:32:39,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:39,762 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] [2022-07-23 04:32:39,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 04:32:39,763 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)] === [2022-07-23 04:32:39,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:39,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1547787098, now seen corresponding path program 1 times [2022-07-23 04:32:39,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:39,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409240280] [2022-07-23 04:32:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:39,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:32:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:32:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:32:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:32:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:32:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:32:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:32:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:32:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:32:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:32:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:32:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:32:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:32:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:32:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:32:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:32:40,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:40,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409240280] [2022-07-23 04:32:40,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409240280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:40,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:40,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840779446] [2022-07-23 04:32:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:40,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:40,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:40,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:40,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:40,052 INFO L87 Difference]: Start difference. First operand 3249 states and 4404 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) [2022-07-23 04:32:44,027 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 [] [2022-07-23 04:32:47,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:47,367 INFO L93 Difference]: Finished difference Result 3249 states and 4404 transitions. [2022-07-23 04:32:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:47,367 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 [2022-07-23 04:32:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:47,379 INFO L225 Difference]: With dead ends: 3249 [2022-07-23 04:32:47,379 INFO L226 Difference]: Without dead ends: 3247 [2022-07-23 04:32:47,381 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 [2022-07-23 04:32:47,382 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 3677 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:47,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 3135 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2324 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-07-23 04:32:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2022-07-23 04:32:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3247. [2022-07-23 04:32:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 2228 states have (on average 1.231149012567325) internal successors, (2743), 2332 states have internal predecessors, (2743), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 4402 transitions. [2022-07-23 04:32:47,551 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 4402 transitions. Word has length 145 [2022-07-23 04:32:47,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:47,552 INFO L495 AbstractCegarLoop]: Abstraction has 3247 states and 4402 transitions. [2022-07-23 04:32:47,552 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) [2022-07-23 04:32:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 4402 transitions. [2022-07-23 04:32:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-23 04:32:47,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:47,555 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] [2022-07-23 04:32:47,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 04:32:47,556 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)] === [2022-07-23 04:32:47,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash -477664965, now seen corresponding path program 1 times [2022-07-23 04:32:47,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:47,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610920288] [2022-07-23 04:32:47,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:47,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:32:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:32:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:32:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:32:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:32:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:32:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:32:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:32:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:32:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:32:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:32:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:32:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:32:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:32:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:32:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:32:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:32:47,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:47,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610920288] [2022-07-23 04:32:47,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610920288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:47,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:47,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123974596] [2022-07-23 04:32:47,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:47,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:47,932 INFO L87 Difference]: Start difference. First operand 3247 states and 4402 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) [2022-07-23 04:32:51,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:53,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:56,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:58,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:58,983 INFO L93 Difference]: Finished difference Result 3247 states and 4402 transitions. [2022-07-23 04:32:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:58,983 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 [2022-07-23 04:32:58,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:58,993 INFO L225 Difference]: With dead ends: 3247 [2022-07-23 04:32:58,993 INFO L226 Difference]: Without dead ends: 3245 [2022-07-23 04:32:58,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:32:58,996 INFO L413 NwaCegarLoop]: 1984 mSDtfsCounter, 3671 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s 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, 10.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:58,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 3133 Invalid, 4111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2321 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-07-23 04:32:59,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-07-23 04:32:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3245. [2022-07-23 04:32:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 2227 states have (on average 1.2308037718904357) internal successors, (2741), 2330 states have internal predecessors, (2741), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:32:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 4400 transitions. [2022-07-23 04:32:59,204 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 4400 transitions. Word has length 151 [2022-07-23 04:32:59,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:59,205 INFO L495 AbstractCegarLoop]: Abstraction has 3245 states and 4400 transitions. [2022-07-23 04:32:59,208 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) [2022-07-23 04:32:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 4400 transitions. [2022-07-23 04:32:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-23 04:32:59,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:59,211 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] [2022-07-23 04:32:59,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 04:32:59,211 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)] === [2022-07-23 04:32:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1571044847, now seen corresponding path program 1 times [2022-07-23 04:32:59,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:59,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771012153] [2022-07-23 04:32:59,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:32:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:32:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:32:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:32:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:32:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:32:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:32:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:32:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:32:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:32:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:32:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:32:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:32:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:32:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:32:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:32:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:32:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:32:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:32:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:32:59,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:59,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771012153] [2022-07-23 04:32:59,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771012153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:59,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:59,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:59,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969036486] [2022-07-23 04:32:59,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:59,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:59,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:59,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:59,564 INFO L87 Difference]: Start difference. First operand 3245 states and 4400 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) [2022-07-23 04:33:03,440 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 [] [2022-07-23 04:33:06,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:06,626 INFO L93 Difference]: Finished difference Result 3245 states and 4400 transitions. [2022-07-23 04:33:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:33:06,626 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 [2022-07-23 04:33:06,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:06,637 INFO L225 Difference]: With dead ends: 3245 [2022-07-23 04:33:06,637 INFO L226 Difference]: Without dead ends: 3243 [2022-07-23 04:33:06,639 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 [2022-07-23 04:33:06,639 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 3665 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s 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, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:06,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3821 Valid, 3131 Invalid, 4109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2320 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 04:33:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2022-07-23 04:33:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 3243. [2022-07-23 04:33:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3243 states, 2226 states have (on average 1.2304582210242587) internal successors, (2739), 2328 states have internal predecessors, (2739), 769 states have call successors, (769), 205 states have call predecessors, (769), 233 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-23 04:33:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 3243 states and 4398 transitions. [2022-07-23 04:33:06,852 INFO L78 Accepts]: Start accepts. Automaton has 3243 states and 4398 transitions. Word has length 157 [2022-07-23 04:33:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:06,853 INFO L495 AbstractCegarLoop]: Abstraction has 3243 states and 4398 transitions. [2022-07-23 04:33:06,853 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) [2022-07-23 04:33:06,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 4398 transitions. [2022-07-23 04:33:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 04:33:06,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:06,856 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] [2022-07-23 04:33:06,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-23 04:33:06,856 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)] === [2022-07-23 04:33:06,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:06,857 INFO L85 PathProgramCache]: Analyzing trace with hash 384166137, now seen corresponding path program 1 times [2022-07-23 04:33:06,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:06,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233808140] [2022-07-23 04:33:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:06,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 04:33:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:33:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 04:33:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:33:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:33:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 04:33:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 04:33:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 04:33:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:33:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:33:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:33:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:33:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:33:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:33:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 04:33:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 04:33:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 04:33:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:33:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:33:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 04:33:07,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:07,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233808140] [2022-07-23 04:33:07,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233808140] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:07,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:07,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:33:07,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200154045] [2022-07-23 04:33:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:07,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:33:07,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:33:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:33:07,184 INFO L87 Difference]: Start difference. First operand 3243 states and 4398 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)