./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 6c24879c 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-?-6c24879 [2022-07-12 17:12:02,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 17:12:02,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 17:12:02,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 17:12:02,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 17:12:02,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 17:12:02,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 17:12:02,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 17:12:02,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 17:12:02,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 17:12:02,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 17:12:02,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 17:12:02,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 17:12:02,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 17:12:02,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 17:12:02,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 17:12:02,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 17:12:02,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 17:12:02,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 17:12:02,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 17:12:02,322 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 17:12:02,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 17:12:02,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 17:12:02,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 17:12:02,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 17:12:02,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 17:12:02,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 17:12:02,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 17:12:02,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 17:12:02,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 17:12:02,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 17:12:02,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 17:12:02,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 17:12:02,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 17:12:02,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 17:12:02,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 17:12:02,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 17:12:02,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 17:12:02,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 17:12:02,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 17:12:02,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 17:12:02,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 17:12:02,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 17:12:02,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 17:12:02,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 17:12:02,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 17:12:02,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 17:12:02,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 17:12:02,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 17:12:02,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 17:12:02,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 17:12:02,364 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 17:12:02,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 17:12:02,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 17:12:02,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 17:12:02,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 17:12:02,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 17:12:02,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 17:12:02,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 17:12:02,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 17:12:02,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 17:12:02,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 17:12:02,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 17:12:02,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 17:12:02,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:12:02,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 17:12:02,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 17:12:02,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2022-07-12 17:12:02,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 17:12:02,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 17:12:02,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 17:12:02,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 17:12:02,547 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 17:12:02,548 INFO L432 ainManager$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 [2022-07-12 17:12:02,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16f887fe/ca6f26925af043388462e92c17101abc/FLAG3324ea5a3 [2022-07-12 17:12:03,239 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 17:12:03,239 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 [2022-07-12 17:12:03,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16f887fe/ca6f26925af043388462e92c17101abc/FLAG3324ea5a3 [2022-07-12 17:12:03,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16f887fe/ca6f26925af043388462e92c17101abc [2022-07-12 17:12:03,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 17:12:03,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 17:12:03,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 17:12:03,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 17:12:03,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 17:12:03,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:12:03" (1/1) ... [2022-07-12 17:12:03,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf9c327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:03, skipping insertion in model container [2022-07-12 17:12:03,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:12:03" (1/1) ... [2022-07-12 17:12:03,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 17:12:03,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:12:05,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:05,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:12:05,885 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 17:12:06,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2022-07-12 17:12:06,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2022-07-12 17:12:06,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2022-07-12 17:12:06,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2022-07-12 17:12:06,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2022-07-12 17:12:06,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2022-07-12 17:12:06,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2022-07-12 17:12:06,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2022-07-12 17:12:06,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2022-07-12 17:12:06,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2022-07-12 17:12:06,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2022-07-12 17:12:06,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2022-07-12 17:12:06,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2022-07-12 17:12:06,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2022-07-12 17:12:06,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2022-07-12 17:12:06,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2022-07-12 17:12:06,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2022-07-12 17:12:06,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2022-07-12 17:12:06,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2022-07-12 17:12:06,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2022-07-12 17:12:06,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2022-07-12 17:12:06,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2022-07-12 17:12:06,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2022-07-12 17:12:06,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-12 17:12:06,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:12:06,365 INFO L208 MainTranslator]: Completed translation [2022-07-12 17:12:06,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06 WrapperNode [2022-07-12 17:12:06,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 17:12:06,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 17:12:06,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 17:12:06,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 17:12:06,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:06,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:06,793 INFO L137 Inliner]: procedures = 635, calls = 2105, calls flagged for inlining = 297, calls inlined = 221, statements flattened = 4958 [2022-07-12 17:12:06,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 17:12:06,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 17:12:06,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 17:12:06,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 17:12:06,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:06,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:06,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:06,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:07,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:07,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:07,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:07,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 17:12:07,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 17:12:07,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 17:12:07,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 17:12:07,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (1/1) ... [2022-07-12 17:12:07,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:12:07,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:12:07,400 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) [2022-07-12 17:12:07,418 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 [2022-07-12 17:12:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 17:12:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 17:12:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-12 17:12:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-12 17:12:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:12:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:12:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 17:12:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 17:12:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-12 17:12:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-12 17:12:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-12 17:12:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-12 17:12:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 17:12:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 17:12:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:12:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:12:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:12:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:12:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-12 17:12:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-12 17:12:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:12:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:12:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:12:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:12:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2022-07-12 17:12:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2022-07-12 17:12:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 17:12:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 17:12:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 17:12:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-12 17:12:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-12 17:12:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 17:12:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 17:12:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:12:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:12:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-12 17:12:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-12 17:12:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 17:12:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-12 17:12:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-12 17:12:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-12 17:12:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-12 17:12:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 17:12:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 17:12:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-12 17:12:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-12 17:12:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:12:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:12:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 17:12:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 17:12:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 17:12:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-12 17:12:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-12 17:12:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 17:12:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 17:12:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 17:12:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-12 17:12:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-12 17:12:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 17:12:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 17:12:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-12 17:12:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-12 17:12:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:12:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:12:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 17:12:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:12:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:12:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 17:12:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 17:12:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-12 17:12:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-12 17:12:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 17:12:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 17:12:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:12:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:12:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-12 17:12:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-12 17:12:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 17:12:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 17:12:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 17:12:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 17:12:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 17:12:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 17:12:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 17:12:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 17:12:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:12:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 17:12:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:12:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-12 17:12:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 17:12:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 17:12:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 17:12:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 17:12:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:12:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:12:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-12 17:12:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-12 17:12:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-12 17:12:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-12 17:12:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 17:12:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 17:12:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 17:12:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 17:12:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-12 17:12:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-12 17:12:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-12 17:12:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-12 17:12:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 17:12:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 17:12:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 17:12:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 17:12:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:12:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:12:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 17:12:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 17:12:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-12 17:12:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-12 17:12:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-12 17:12:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-12 17:12:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 17:12:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 17:12:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-12 17:12:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-12 17:12:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-12 17:12:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 17:12:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:12:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-12 17:12:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-12 17:12:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-12 17:12:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-12 17:12:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-12 17:12:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-12 17:12:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-12 17:12:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-12 17:12:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 17:12:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 17:12:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-12 17:12:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-12 17:12:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-12 17:12:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-12 17:12:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 17:12:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 17:12:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 17:12:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 17:12:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-12 17:12:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-12 17:12:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-12 17:12:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-12 17:12:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2022-07-12 17:12:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2022-07-12 17:12:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-12 17:12:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-12 17:12:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:12:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:12:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-12 17:12:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-12 17:12:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-12 17:12:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-12 17:12:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:12:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 17:12:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:12:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-12 17:12:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-12 17:12:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-12 17:12:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-12 17:12:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 17:12:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 17:12:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:12:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:12:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 17:12:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 17:12:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 17:12:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 17:12:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 17:12:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 17:12:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 17:12:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 17:12:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-12 17:12:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-12 17:12:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:12:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:12:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 17:12:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 17:12:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:12:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:12:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-12 17:12:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-12 17:12:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-12 17:12:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-12 17:12:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 17:12:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 17:12:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:12:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:12:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 17:12:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 17:12:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-12 17:12:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-12 17:12:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-12 17:12:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-12 17:12:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:12:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:12:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2022-07-12 17:12:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2022-07-12 17:12:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 17:12:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 17:12:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:12:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:12:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-12 17:12:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-12 17:12:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 17:12:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 17:12:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:12:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:12:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 17:12:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 17:12:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2022-07-12 17:12:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2022-07-12 17:12:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2022-07-12 17:12:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2022-07-12 17:12:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-12 17:12:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-12 17:12:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 17:12:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 17:12:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2022-07-12 17:12:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2022-07-12 17:12:08,076 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 17:12:08,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 17:12:08,208 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 17:12:17,216 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 17:12:17,232 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 17:12:17,232 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 17:12:17,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:12:17 BoogieIcfgContainer [2022-07-12 17:12:17,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 17:12:17,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 17:12:17,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 17:12:17,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 17:12:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 05:12:03" (1/3) ... [2022-07-12 17:12:17,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34790f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:12:17, skipping insertion in model container [2022-07-12 17:12:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:12:06" (2/3) ... [2022-07-12 17:12:17,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34790f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:12:17, skipping insertion in model container [2022-07-12 17:12:17,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:12:17" (3/3) ... [2022-07-12 17:12:17,241 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2022-07-12 17:12:17,252 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 17:12:17,252 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-07-12 17:12:17,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 17:12:17,322 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@6dd17a07, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67d8dc2c [2022-07-12 17:12:17,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-07-12 17:12:17,331 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) [2022-07-12 17:12:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-12 17:12:17,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:17,341 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] [2022-07-12 17:12:17,342 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)] === [2022-07-12 17:12:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1255724155, now seen corresponding path program 1 times [2022-07-12 17:12:17,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:17,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377892136] [2022-07-12 17:12:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:17,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:17,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:17,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377892136] [2022-07-12 17:12:17,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377892136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:17,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:17,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:17,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712206012] [2022-07-12 17:12:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:18,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:18,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:18,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:18,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:18,027 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) [2022-07-12 17:12:22,408 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 [] [2022-07-12 17:12:25,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:12:25,069 INFO L93 Difference]: Finished difference Result 3438 states and 4733 transitions. [2022-07-12 17:12:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:12:25,071 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 [2022-07-12 17:12:25,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:12:25,113 INFO L225 Difference]: With dead ends: 3438 [2022-07-12 17:12:25,113 INFO L226 Difference]: Without dead ends: 1723 [2022-07-12 17:12:25,126 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 [2022-07-12 17:12:25,141 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 3814 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 1805 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:12:25,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 3221 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 2372 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-07-12 17:12:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-07-12 17:12:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1723. [2022-07-12 17:12:25,283 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) [2022-07-12 17:12:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2260 transitions. [2022-07-12 17:12:25,297 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2260 transitions. Word has length 71 [2022-07-12 17:12:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:12:25,299 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2260 transitions. [2022-07-12 17:12:25,299 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) [2022-07-12 17:12:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2260 transitions. [2022-07-12 17:12:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-12 17:12:25,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:25,306 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] [2022-07-12 17:12:25,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 17:12:25,307 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)] === [2022-07-12 17:12:25,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1918160651, now seen corresponding path program 1 times [2022-07-12 17:12:25,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:25,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134464443] [2022-07-12 17:12:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:25,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:12:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:25,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:25,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134464443] [2022-07-12 17:12:25,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134464443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:25,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:25,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:25,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075496854] [2022-07-12 17:12:25,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:25,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:25,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:25,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:25,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:25,600 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) [2022-07-12 17:12:29,862 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 [] [2022-07-12 17:12:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:12:31,979 INFO L93 Difference]: Finished difference Result 1723 states and 2260 transitions. [2022-07-12 17:12:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:12:31,980 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 [2022-07-12 17:12:31,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:12:31,987 INFO L225 Difference]: With dead ends: 1723 [2022-07-12 17:12:31,987 INFO L226 Difference]: Without dead ends: 1721 [2022-07-12 17:12:31,988 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 [2022-07-12 17:12:31,989 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 3773 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 6.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:12:31,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 3167 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2356 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-07-12 17:12:31,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-12 17:12:32,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2022-07-12 17:12:32,027 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) [2022-07-12 17:12:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2258 transitions. [2022-07-12 17:12:32,033 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2258 transitions. Word has length 77 [2022-07-12 17:12:32,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:12:32,034 INFO L495 AbstractCegarLoop]: Abstraction has 1721 states and 2258 transitions. [2022-07-12 17:12:32,034 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) [2022-07-12 17:12:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2258 transitions. [2022-07-12 17:12:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-12 17:12:32,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:32,035 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] [2022-07-12 17:12:32,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 17:12:32,036 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)] === [2022-07-12 17:12:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:32,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1824780030, now seen corresponding path program 1 times [2022-07-12 17:12:32,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:32,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749768646] [2022-07-12 17:12:32,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:32,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:12:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:12:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:32,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:32,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749768646] [2022-07-12 17:12:32,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749768646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:32,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:32,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:32,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763365079] [2022-07-12 17:12:32,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:32,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:32,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:32,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:32,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:32,345 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) [2022-07-12 17:12:36,935 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 [] [2022-07-12 17:12:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:12:39,286 INFO L93 Difference]: Finished difference Result 1721 states and 2258 transitions. [2022-07-12 17:12:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:12:39,287 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 [2022-07-12 17:12:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:12:39,296 INFO L225 Difference]: With dead ends: 1721 [2022-07-12 17:12:39,297 INFO L226 Difference]: Without dead ends: 1719 [2022-07-12 17:12:39,298 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 [2022-07-12 17:12:39,298 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 [2022-07-12 17:12:39,299 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] [2022-07-12 17:12:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-07-12 17:12:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2022-07-12 17:12:39,346 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) [2022-07-12 17:12:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2256 transitions. [2022-07-12 17:12:39,353 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2256 transitions. Word has length 83 [2022-07-12 17:12:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:12:39,354 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 2256 transitions. [2022-07-12 17:12:39,354 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) [2022-07-12 17:12:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2256 transitions. [2022-07-12 17:12:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-12 17:12:39,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:39,356 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] [2022-07-12 17:12:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 17:12:39,356 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)] === [2022-07-12 17:12:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -335668616, now seen corresponding path program 1 times [2022-07-12 17:12:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:39,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222261111] [2022-07-12 17:12:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:12:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:12:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:12:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:39,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:39,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222261111] [2022-07-12 17:12:39,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222261111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:39,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:39,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672733162] [2022-07-12 17:12:39,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:39,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:39,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:39,602 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) [2022-07-12 17:12:42,851 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 [] [2022-07-12 17:12:45,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:12:45,133 INFO L93 Difference]: Finished difference Result 1719 states and 2256 transitions. [2022-07-12 17:12:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:12:45,133 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 [2022-07-12 17:12:45,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:12:45,140 INFO L225 Difference]: With dead ends: 1719 [2022-07-12 17:12:45,140 INFO L226 Difference]: Without dead ends: 1717 [2022-07-12 17:12:45,141 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 [2022-07-12 17:12:45,141 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 3761 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:12:45,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 3163 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-12 17:12:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-07-12 17:12:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-07-12 17:12:45,233 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) [2022-07-12 17:12:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2254 transitions. [2022-07-12 17:12:45,239 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2254 transitions. Word has length 89 [2022-07-12 17:12:45,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:12:45,239 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 2254 transitions. [2022-07-12 17:12:45,239 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) [2022-07-12 17:12:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2254 transitions. [2022-07-12 17:12:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-12 17:12:45,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:45,240 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] [2022-07-12 17:12:45,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 17:12:45,240 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)] === [2022-07-12 17:12:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:45,242 INFO L85 PathProgramCache]: Analyzing trace with hash -398152295, now seen corresponding path program 1 times [2022-07-12 17:12:45,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:45,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38729464] [2022-07-12 17:12:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:12:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:12:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:12:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:12:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:45,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:45,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38729464] [2022-07-12 17:12:45,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38729464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:45,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:45,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:45,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027156213] [2022-07-12 17:12:45,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:45,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:45,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:45,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:45,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:45,507 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) [2022-07-12 17:12:49,375 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 [] [2022-07-12 17:12:51,436 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 [] [2022-07-12 17:12:54,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:12:54,300 INFO L93 Difference]: Finished difference Result 1717 states and 2254 transitions. [2022-07-12 17:12:54,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:12:54,301 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 [2022-07-12 17:12:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:12:54,307 INFO L225 Difference]: With dead ends: 1717 [2022-07-12 17:12:54,308 INFO L226 Difference]: Without dead ends: 1715 [2022-07-12 17:12:54,308 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 [2022-07-12 17:12:54,310 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 3755 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3921 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:12:54,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3921 Valid, 3161 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2349 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-12 17:12:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2022-07-12 17:12:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2022-07-12 17:12:54,352 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) [2022-07-12 17:12:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2252 transitions. [2022-07-12 17:12:54,362 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2252 transitions. Word has length 95 [2022-07-12 17:12:54,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:12:54,364 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2252 transitions. [2022-07-12 17:12:54,364 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) [2022-07-12 17:12:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2252 transitions. [2022-07-12 17:12:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-12 17:12:54,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:12:54,365 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] [2022-07-12 17:12:54,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 17:12:54,365 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)] === [2022-07-12 17:12:54,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:12:54,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1557547795, now seen corresponding path program 1 times [2022-07-12 17:12:54,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:12:54,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076474535] [2022-07-12 17:12:54,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:12:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:12:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:12:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:12:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:12:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:12:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:12:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:12:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:12:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:12:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:12:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:12:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:12:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:12:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:12:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:12:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:12:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:12:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:12:54,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:12:54,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076474535] [2022-07-12 17:12:54,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076474535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:12:54,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:12:54,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:12:54,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816680541] [2022-07-12 17:12:54,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:12:54,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:12:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:12:54,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:12:54,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:12:54,570 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) [2022-07-12 17:12:58,831 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 [] [2022-07-12 17:13:01,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:01,600 INFO L93 Difference]: Finished difference Result 1715 states and 2252 transitions. [2022-07-12 17:13:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:01,600 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 [2022-07-12 17:13:01,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:01,606 INFO L225 Difference]: With dead ends: 1715 [2022-07-12 17:13:01,606 INFO L226 Difference]: Without dead ends: 1713 [2022-07-12 17:13:01,606 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 [2022-07-12 17:13:01,607 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 3749 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:01,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 3159 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2348 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-07-12 17:13:01,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-07-12 17:13:01,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2022-07-12 17:13:01,646 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) [2022-07-12 17:13:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2250 transitions. [2022-07-12 17:13:01,650 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2250 transitions. Word has length 101 [2022-07-12 17:13:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:01,651 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2250 transitions. [2022-07-12 17:13:01,651 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) [2022-07-12 17:13:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2250 transitions. [2022-07-12 17:13:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 17:13:01,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:01,652 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] [2022-07-12 17:13:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 17:13:01,652 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)] === [2022-07-12 17:13:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1869991453, now seen corresponding path program 1 times [2022-07-12 17:13:01,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:01,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684650624] [2022-07-12 17:13:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:13:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:13:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:13:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:13:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:13:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:13:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:13:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:13:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:13:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:13:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:13:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:13:01,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:01,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684650624] [2022-07-12 17:13:01,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684650624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:01,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:01,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:01,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21017096] [2022-07-12 17:13:01,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:01,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:01,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:01,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:01,840 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) [2022-07-12 17:13:05,873 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 [] [2022-07-12 17:13:08,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:08,361 INFO L93 Difference]: Finished difference Result 1713 states and 2250 transitions. [2022-07-12 17:13:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:08,362 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 [2022-07-12 17:13:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:08,369 INFO L225 Difference]: With dead ends: 1713 [2022-07-12 17:13:08,369 INFO L226 Difference]: Without dead ends: 1711 [2022-07-12 17:13:08,370 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 [2022-07-12 17:13:08,371 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 3743 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2346 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 3157 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2346 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:08,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 3157 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2346 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-07-12 17:13:08,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-07-12 17:13:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2022-07-12 17:13:08,416 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) [2022-07-12 17:13:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2248 transitions. [2022-07-12 17:13:08,420 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2248 transitions. Word has length 107 [2022-07-12 17:13:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:08,421 INFO L495 AbstractCegarLoop]: Abstraction has 1711 states and 2248 transitions. [2022-07-12 17:13:08,421 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) [2022-07-12 17:13:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2248 transitions. [2022-07-12 17:13:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 17:13:08,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:08,422 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] [2022-07-12 17:13:08,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 17:13:08,423 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)] === [2022-07-12 17:13:08,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:08,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1122418189, now seen corresponding path program 1 times [2022-07-12 17:13:08,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:08,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736527765] [2022-07-12 17:13:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:08,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:13:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:13:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:13:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:13:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:13:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:13:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:13:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:13:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:13:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:13:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:13:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:13:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:13:08,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:08,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736527765] [2022-07-12 17:13:08,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736527765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:08,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:08,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824526779] [2022-07-12 17:13:08,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:08,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:08,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:08,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:08,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:08,658 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) [2022-07-12 17:13:12,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:13:14,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 17:13:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:16,854 INFO L93 Difference]: Finished difference Result 1711 states and 2248 transitions. [2022-07-12 17:13:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:16,855 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 [2022-07-12 17:13:16,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:16,861 INFO L225 Difference]: With dead ends: 1711 [2022-07-12 17:13:16,861 INFO L226 Difference]: Without dead ends: 1709 [2022-07-12 17:13:16,862 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 [2022-07-12 17:13:16,862 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 3741 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3904 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:16,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3904 Valid, 3155 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2340 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-07-12 17:13:16,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-07-12 17:13:16,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2022-07-12 17:13:16,913 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) [2022-07-12 17:13:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2246 transitions. [2022-07-12 17:13:16,918 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2246 transitions. Word has length 113 [2022-07-12 17:13:16,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:16,918 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2246 transitions. [2022-07-12 17:13:16,918 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) [2022-07-12 17:13:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2246 transitions. [2022-07-12 17:13:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 17:13:16,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:16,920 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] [2022-07-12 17:13:16,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 17:13:16,920 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)] === [2022-07-12 17:13:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:16,921 INFO L85 PathProgramCache]: Analyzing trace with hash -606950218, now seen corresponding path program 1 times [2022-07-12 17:13:16,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:16,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704582906] [2022-07-12 17:13:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:16,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:13:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:13:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:13:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:13:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:13:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:13:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:13:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:13:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:13:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:13:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:13:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:13:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:13:17,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:17,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704582906] [2022-07-12 17:13:17,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704582906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:17,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:17,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:17,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123872921] [2022-07-12 17:13:17,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:17,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:17,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:17,119 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) [2022-07-12 17:13:21,067 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 [] [2022-07-12 17:13:23,143 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 [] [2022-07-12 17:13:25,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:25,736 INFO L93 Difference]: Finished difference Result 1709 states and 2246 transitions. [2022-07-12 17:13:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:25,736 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 [2022-07-12 17:13:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:25,743 INFO L225 Difference]: With dead ends: 1709 [2022-07-12 17:13:25,743 INFO L226 Difference]: Without dead ends: 1707 [2022-07-12 17:13:25,743 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 [2022-07-12 17:13:25,744 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 3729 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:25,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3153 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2341 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-07-12 17:13:25,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-12 17:13:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2022-07-12 17:13:25,823 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) [2022-07-12 17:13:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-12 17:13:25,827 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 115 [2022-07-12 17:13:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:25,828 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-12 17:13:25,829 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) [2022-07-12 17:13:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-12 17:13:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-12 17:13:25,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:25,830 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] [2022-07-12 17:13:25,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 17:13:25,830 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)] === [2022-07-12 17:13:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:25,831 INFO L85 PathProgramCache]: Analyzing trace with hash 110614786, now seen corresponding path program 1 times [2022-07-12 17:13:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:25,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598339311] [2022-07-12 17:13:25,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:13:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:13:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:13:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:13:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:13:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:13:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:13:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:13:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:13:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:13:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:13:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:13:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:13:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:13:25,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:25,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598339311] [2022-07-12 17:13:25,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598339311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:25,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:25,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:25,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041754845] [2022-07-12 17:13:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:25,996 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) [2022-07-12 17:13:29,957 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 [] [2022-07-12 17:13:33,226 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 [] [2022-07-12 17:13:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:34,665 INFO L93 Difference]: Finished difference Result 1707 states and 2244 transitions. [2022-07-12 17:13:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:34,668 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 [2022-07-12 17:13:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:34,675 INFO L225 Difference]: With dead ends: 1707 [2022-07-12 17:13:34,675 INFO L226 Difference]: Without dead ends: 1705 [2022-07-12 17:13:34,676 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 [2022-07-12 17:13:34,676 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 3725 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2339 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2339 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:34,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 3151 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2339 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-07-12 17:13:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-07-12 17:13:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2022-07-12 17:13:34,737 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) [2022-07-12 17:13:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2242 transitions. [2022-07-12 17:13:34,742 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2242 transitions. Word has length 121 [2022-07-12 17:13:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:34,743 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2242 transitions. [2022-07-12 17:13:34,743 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) [2022-07-12 17:13:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2242 transitions. [2022-07-12 17:13:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-12 17:13:34,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:34,745 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] [2022-07-12 17:13:34,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 17:13:34,746 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)] === [2022-07-12 17:13:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:34,746 INFO L85 PathProgramCache]: Analyzing trace with hash 747162463, now seen corresponding path program 1 times [2022-07-12 17:13:34,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:34,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927528733] [2022-07-12 17:13:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 17:13:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 17:13:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 17:13:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:13:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:13:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 17:13:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:13:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:13:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:13:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 17:13:35,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:35,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927528733] [2022-07-12 17:13:35,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927528733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:35,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:35,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:13:35,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430817548] [2022-07-12 17:13:35,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:35,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:13:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:35,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:13:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:13:35,149 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) [2022-07-12 17:13:40,965 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 [] [2022-07-12 17:13:43,247 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 [] [2022-07-12 17:13:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:48,206 INFO L93 Difference]: Finished difference Result 1866 states and 2487 transitions. [2022-07-12 17:13:48,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:13:48,206 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 [2022-07-12 17:13:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:48,214 INFO L225 Difference]: With dead ends: 1866 [2022-07-12 17:13:48,214 INFO L226 Difference]: Without dead ends: 1864 [2022-07-12 17:13:48,215 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 [2022-07-12 17:13:48,216 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 3069 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 2048 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 3979 SdHoareTripleChecker+Invalid, 7179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:48,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 3979 Invalid, 7179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2048 Valid, 5129 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2022-07-12 17:13:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-07-12 17:13:48,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1707. [2022-07-12 17:13:48,274 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) [2022-07-12 17:13:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-12 17:13:48,278 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 168 [2022-07-12 17:13:48,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:48,279 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-12 17:13:48,279 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) [2022-07-12 17:13:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-12 17:13:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-12 17:13:48,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:48,281 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] [2022-07-12 17:13:48,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 17:13:48,281 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)] === [2022-07-12 17:13:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:48,281 INFO L85 PathProgramCache]: Analyzing trace with hash 747102881, now seen corresponding path program 1 times [2022-07-12 17:13:48,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:48,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562238314] [2022-07-12 17:13:48,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:48,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:13:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:13:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 17:13:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 17:13:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 17:13:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:13:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:13:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 17:13:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:13:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:13:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:13:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 17:13:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:48,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562238314] [2022-07-12 17:13:48,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562238314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:48,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:48,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 17:13:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556134140] [2022-07-12 17:13:48,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:48,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 17:13:48,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 17:13:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 17:13:48,651 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) [2022-07-12 17:13:53,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:13:55,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:13:58,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:02,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:04,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:06,589 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 [] [2022-07-12 17:14:09,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:09,664 INFO L93 Difference]: Finished difference Result 3524 states and 4727 transitions. [2022-07-12 17:14:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 17:14:09,665 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 [2022-07-12 17:14:09,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:09,675 INFO L225 Difference]: With dead ends: 3524 [2022-07-12 17:14:09,675 INFO L226 Difference]: Without dead ends: 1857 [2022-07-12 17:14:09,683 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 [2022-07-12 17:14:09,683 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 4714 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 7029 mSolverCounterSat, 2629 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 9663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2629 IncrementalHoareTripleChecker+Valid, 7029 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:09,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 4301 Invalid, 9663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2629 Valid, 7029 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2022-07-12 17:14:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-07-12 17:14:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1703. [2022-07-12 17:14:09,756 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) [2022-07-12 17:14:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2239 transitions. [2022-07-12 17:14:09,760 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2239 transitions. Word has length 168 [2022-07-12 17:14:09,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:09,761 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 2239 transitions. [2022-07-12 17:14:09,761 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) [2022-07-12 17:14:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2239 transitions. [2022-07-12 17:14:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 17:14:09,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:09,763 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] [2022-07-12 17:14:09,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 17:14:09,763 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)] === [2022-07-12 17:14:09,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:09,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1963748082, now seen corresponding path program 1 times [2022-07-12 17:14:09,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:09,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874891087] [2022-07-12 17:14:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:14:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:14:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:14:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:14:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:14:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:14:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:14:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:14:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:14:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:14:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:14:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:14:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:14:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:14:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:14:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:14:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:14:09,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:09,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874891087] [2022-07-12 17:14:09,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874891087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:09,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:09,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951844987] [2022-07-12 17:14:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:09,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:09,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:09,993 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) [2022-07-12 17:14:13,585 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 [] [2022-07-12 17:14:15,677 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 [] [2022-07-12 17:14:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:18,179 INFO L93 Difference]: Finished difference Result 1703 states and 2239 transitions. [2022-07-12 17:14:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:18,180 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 [2022-07-12 17:14:18,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:18,186 INFO L225 Difference]: With dead ends: 1703 [2022-07-12 17:14:18,186 INFO L226 Difference]: Without dead ends: 1701 [2022-07-12 17:14:18,187 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 [2022-07-12 17:14:18,187 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 3710 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:18,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 3146 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2335 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-07-12 17:14:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-07-12 17:14:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1701. [2022-07-12 17:14:18,240 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) [2022-07-12 17:14:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2237 transitions. [2022-07-12 17:14:18,244 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2237 transitions. Word has length 127 [2022-07-12 17:14:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:18,245 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2237 transitions. [2022-07-12 17:14:18,245 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) [2022-07-12 17:14:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2237 transitions. [2022-07-12 17:14:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-12 17:14:18,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:18,247 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] [2022-07-12 17:14:18,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 17:14:18,247 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)] === [2022-07-12 17:14:18,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 660713222, now seen corresponding path program 1 times [2022-07-12 17:14:18,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:18,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099103829] [2022-07-12 17:14:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:14:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:14:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:14:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:14:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:14:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:14:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:14:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 17:14:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 17:14:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 17:14:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 17:14:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 17:14:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-07-12 17:14:18,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:18,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099103829] [2022-07-12 17:14:18,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099103829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:18,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:18,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 17:14:18,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392487936] [2022-07-12 17:14:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:18,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 17:14:18,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 17:14:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 17:14:18,495 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) [2022-07-12 17:14:22,818 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 [] [2022-07-12 17:14:24,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:28,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:30,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:33,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:36,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:44,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:44,190 INFO L93 Difference]: Finished difference Result 3546 states and 4754 transitions. [2022-07-12 17:14:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 17:14:44,191 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 [2022-07-12 17:14:44,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:44,219 INFO L225 Difference]: With dead ends: 3546 [2022-07-12 17:14:44,223 INFO L226 Difference]: Without dead ends: 3544 [2022-07-12 17:14:44,225 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 [2022-07-12 17:14:44,226 INFO L413 NwaCegarLoop]: 2641 mSDtfsCounter, 6670 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 9808 mSolverCounterSat, 4278 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6834 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 14092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4278 IncrementalHoareTripleChecker+Valid, 9808 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:44,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6834 Valid, 4955 Invalid, 14092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4278 Valid, 9808 Invalid, 6 Unknown, 0 Unchecked, 25.3s Time] [2022-07-12 17:14:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2022-07-12 17:14:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3248. [2022-07-12 17:14:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 2226 states have (on average 1.2327044025157232) internal successors, (2744), 2334 states have internal predecessors, (2744), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:14:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4402 transitions. [2022-07-12 17:14:44,372 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4402 transitions. Word has length 164 [2022-07-12 17:14:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:44,373 INFO L495 AbstractCegarLoop]: Abstraction has 3248 states and 4402 transitions. [2022-07-12 17:14:44,373 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) [2022-07-12 17:14:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4402 transitions. [2022-07-12 17:14:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-12 17:14:44,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:44,376 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] [2022-07-12 17:14:44,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 17:14:44,376 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)] === [2022-07-12 17:14:44,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:44,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1187153551, now seen corresponding path program 1 times [2022-07-12 17:14:44,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:44,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066764999] [2022-07-12 17:14:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:14:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:14:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 17:14:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 17:14:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 17:14:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:14:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 17:14:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:14:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:14:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 17:14:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-12 17:14:44,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:44,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066764999] [2022-07-12 17:14:44,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066764999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:44,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:44,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903468533] [2022-07-12 17:14:44,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:44,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:44,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:44,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:44,605 INFO L87 Difference]: Start difference. First operand 3248 states and 4402 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 17:14:47,766 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 [] [2022-07-12 17:14:49,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:51,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:14:54,689 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 [] [2022-07-12 17:14:56,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:56,707 INFO L93 Difference]: Finished difference Result 6530 states and 9064 transitions. [2022-07-12 17:14:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:56,707 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 [2022-07-12 17:14:56,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:56,731 INFO L225 Difference]: With dead ends: 6530 [2022-07-12 17:14:56,732 INFO L226 Difference]: Without dead ends: 3322 [2022-07-12 17:14:56,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:14:56,742 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 4706 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 2608 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4886 SdHoareTripleChecker+Valid, 2945 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2608 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:56,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4886 Valid, 2945 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2608 Valid, 1549 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-07-12 17:14:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2022-07-12 17:14:56,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3242. [2022-07-12 17:14:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 2221 states have (on average 1.2314272850067538) internal successors, (2735), 2328 states have internal predecessors, (2735), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:14:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4393 transitions. [2022-07-12 17:14:57,002 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4393 transitions. Word has length 175 [2022-07-12 17:14:57,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:57,002 INFO L495 AbstractCegarLoop]: Abstraction has 3242 states and 4393 transitions. [2022-07-12 17:14:57,003 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) [2022-07-12 17:14:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4393 transitions. [2022-07-12 17:14:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-12 17:14:57,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:57,006 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] [2022-07-12 17:14:57,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 17:14:57,007 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)] === [2022-07-12 17:14:57,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:57,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1168266531, now seen corresponding path program 1 times [2022-07-12 17:14:57,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:57,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628810864] [2022-07-12 17:14:57,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:57,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:14:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:14:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:14:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:14:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:14:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:14:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:14:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:14:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:14:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:14:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:14:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:14:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:14:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:14:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:14:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:14:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:14:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:14:57,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:57,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628810864] [2022-07-12 17:14:57,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628810864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:57,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:57,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091367925] [2022-07-12 17:14:57,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:57,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:57,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:57,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:57,182 INFO L87 Difference]: Start difference. First operand 3242 states and 4393 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 17:14:59,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:15:01,296 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 [] [2022-07-12 17:15:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:04,032 INFO L93 Difference]: Finished difference Result 3242 states and 4393 transitions. [2022-07-12 17:15:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:04,032 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 [2022-07-12 17:15:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:04,045 INFO L225 Difference]: With dead ends: 3242 [2022-07-12 17:15:04,045 INFO L226 Difference]: Without dead ends: 3240 [2022-07-12 17:15:04,048 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 [2022-07-12 17:15:04,048 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 3689 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:04,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 3139 Invalid, 4117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2328 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-07-12 17:15:04,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-07-12 17:15:04,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 3240. [2022-07-12 17:15:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3240 states, 2220 states have (on average 1.231081081081081) internal successors, (2733), 2326 states have internal predecessors, (2733), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 3240 states and 4391 transitions. [2022-07-12 17:15:04,196 INFO L78 Accepts]: Start accepts. Automaton has 3240 states and 4391 transitions. Word has length 133 [2022-07-12 17:15:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:04,197 INFO L495 AbstractCegarLoop]: Abstraction has 3240 states and 4391 transitions. [2022-07-12 17:15:04,197 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) [2022-07-12 17:15:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3240 states and 4391 transitions. [2022-07-12 17:15:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-12 17:15:04,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:04,199 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] [2022-07-12 17:15:04,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 17:15:04,200 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)] === [2022-07-12 17:15:04,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash -523651152, now seen corresponding path program 1 times [2022-07-12 17:15:04,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:04,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368571745] [2022-07-12 17:15:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:15:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:15:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:15:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:15:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:15:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:15:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:15:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:15:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 17:15:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:15:04,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:04,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368571745] [2022-07-12 17:15:04,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368571745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:04,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:04,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:15:04,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622654386] [2022-07-12 17:15:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:04,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:04,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:04,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:15:04,414 INFO L87 Difference]: Start difference. First operand 3240 states and 4391 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 17:15:08,536 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 [] [2022-07-12 17:15:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:11,537 INFO L93 Difference]: Finished difference Result 3240 states and 4391 transitions. [2022-07-12 17:15:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:11,538 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 [2022-07-12 17:15:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:11,547 INFO L225 Difference]: With dead ends: 3240 [2022-07-12 17:15:11,548 INFO L226 Difference]: Without dead ends: 3238 [2022-07-12 17:15:11,549 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 [2022-07-12 17:15:11,549 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 3683 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 6.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:11,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 3137 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2326 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-07-12 17:15:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-07-12 17:15:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2022-07-12 17:15:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 2219 states have (on average 1.2307345651194233) internal successors, (2731), 2324 states have internal predecessors, (2731), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4389 transitions. [2022-07-12 17:15:11,682 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4389 transitions. Word has length 139 [2022-07-12 17:15:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:11,682 INFO L495 AbstractCegarLoop]: Abstraction has 3238 states and 4389 transitions. [2022-07-12 17:15:11,682 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) [2022-07-12 17:15:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4389 transitions. [2022-07-12 17:15:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-12 17:15:11,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:11,684 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] [2022-07-12 17:15:11,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 17:15:11,685 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)] === [2022-07-12 17:15:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1547787098, now seen corresponding path program 1 times [2022-07-12 17:15:11,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:11,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102856451] [2022-07-12 17:15:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:11,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:15:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:15:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:15:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:15:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:15:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:15:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:15:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:15:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 17:15:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:15:11,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:11,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102856451] [2022-07-12 17:15:11,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102856451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:11,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:11,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:15:11,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626902193] [2022-07-12 17:15:11,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:11,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:11,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:15:11,861 INFO L87 Difference]: Start difference. First operand 3238 states and 4389 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 17:15:15,280 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 [] [2022-07-12 17:15:18,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:18,930 INFO L93 Difference]: Finished difference Result 3238 states and 4389 transitions. [2022-07-12 17:15:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:18,931 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 [2022-07-12 17:15:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:18,939 INFO L225 Difference]: With dead ends: 3238 [2022-07-12 17:15:18,939 INFO L226 Difference]: Without dead ends: 3236 [2022-07-12 17:15:18,940 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 [2022-07-12 17:15:18,941 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 3677 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:18,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 3135 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2324 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-07-12 17:15:18,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2022-07-12 17:15:19,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 3236. [2022-07-12 17:15:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 2218 states have (on average 1.2303877366997296) internal successors, (2729), 2322 states have internal predecessors, (2729), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 4387 transitions. [2022-07-12 17:15:19,151 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 4387 transitions. Word has length 145 [2022-07-12 17:15:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:19,151 INFO L495 AbstractCegarLoop]: Abstraction has 3236 states and 4387 transitions. [2022-07-12 17:15:19,151 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) [2022-07-12 17:15:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 4387 transitions. [2022-07-12 17:15:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-12 17:15:19,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:19,153 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] [2022-07-12 17:15:19,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 17:15:19,154 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)] === [2022-07-12 17:15:19,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:19,154 INFO L85 PathProgramCache]: Analyzing trace with hash -477664965, now seen corresponding path program 1 times [2022-07-12 17:15:19,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:19,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702001688] [2022-07-12 17:15:19,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:15:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:15:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:15:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:15:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:15:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:15:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:15:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:15:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 17:15:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:15:19,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:19,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702001688] [2022-07-12 17:15:19,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702001688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:19,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:19,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:15:19,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332977937] [2022-07-12 17:15:19,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:19,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:19,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:19,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:15:19,398 INFO L87 Difference]: Start difference. First operand 3236 states and 4387 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 17:15:23,056 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 [] [2022-07-12 17:15:25,103 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 [] [2022-07-12 17:15:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:27,788 INFO L93 Difference]: Finished difference Result 3236 states and 4387 transitions. [2022-07-12 17:15:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:27,788 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 [2022-07-12 17:15:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:27,823 INFO L225 Difference]: With dead ends: 3236 [2022-07-12 17:15:27,823 INFO L226 Difference]: Without dead ends: 3234 [2022-07-12 17:15:27,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:15:27,825 INFO L413 NwaCegarLoop]: 1984 mSDtfsCounter, 3671 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s 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, 8.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:27,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 3133 Invalid, 4111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2321 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-07-12 17:15:27,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2022-07-12 17:15:28,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3234. [2022-07-12 17:15:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 2217 states have (on average 1.2300405953991882) internal successors, (2727), 2320 states have internal predecessors, (2727), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 4385 transitions. [2022-07-12 17:15:28,022 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 4385 transitions. Word has length 151 [2022-07-12 17:15:28,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:28,022 INFO L495 AbstractCegarLoop]: Abstraction has 3234 states and 4385 transitions. [2022-07-12 17:15:28,023 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) [2022-07-12 17:15:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 4385 transitions. [2022-07-12 17:15:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-12 17:15:28,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:28,025 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] [2022-07-12 17:15:28,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 17:15:28,025 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)] === [2022-07-12 17:15:28,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1571044847, now seen corresponding path program 1 times [2022-07-12 17:15:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:28,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344497117] [2022-07-12 17:15:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:28,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:15:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:15:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:15:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:15:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:15:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:15:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:15:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:15:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 17:15:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 17:15:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:15:28,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:28,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344497117] [2022-07-12 17:15:28,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344497117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:28,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:28,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:15:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127181646] [2022-07-12 17:15:28,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:28,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:28,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:28,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:15:28,268 INFO L87 Difference]: Start difference. First operand 3234 states and 4385 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 17:15:32,783 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 [] [2022-07-12 17:15:34,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 17:15:37,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:37,853 INFO L93 Difference]: Finished difference Result 3234 states and 4385 transitions. [2022-07-12 17:15:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:37,853 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 [2022-07-12 17:15:37,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:37,862 INFO L225 Difference]: With dead ends: 3234 [2022-07-12 17:15:37,862 INFO L226 Difference]: Without dead ends: 3232 [2022-07-12 17:15:37,863 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 [2022-07-12 17:15:37,864 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 3665 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 4109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:37,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3821 Valid, 3131 Invalid, 4109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2319 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-07-12 17:15:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3232 states. [2022-07-12 17:15:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3232 to 3232. [2022-07-12 17:15:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 2216 states have (on average 1.2296931407942238) internal successors, (2725), 2318 states have internal predecessors, (2725), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4383 transitions. [2022-07-12 17:15:38,006 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4383 transitions. Word has length 157 [2022-07-12 17:15:38,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:38,006 INFO L495 AbstractCegarLoop]: Abstraction has 3232 states and 4383 transitions. [2022-07-12 17:15:38,007 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) [2022-07-12 17:15:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4383 transitions. [2022-07-12 17:15:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-12 17:15:38,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:38,009 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] [2022-07-12 17:15:38,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 17:15:38,010 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)] === [2022-07-12 17:15:38,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:38,010 INFO L85 PathProgramCache]: Analyzing trace with hash 384166137, now seen corresponding path program 1 times [2022-07-12 17:15:38,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:38,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269976659] [2022-07-12 17:15:38,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:38,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 17:15:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 17:15:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 17:15:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 17:15:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 17:15:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 17:15:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 17:15:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 17:15:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 17:15:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 17:15:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 17:15:38,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:38,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269976659] [2022-07-12 17:15:38,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269976659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:38,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:38,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:15:38,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743958228] [2022-07-12 17:15:38,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:38,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:38,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:38,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:38,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:15:38,199 INFO L87 Difference]: Start difference. First operand 3232 states and 4383 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 17:15:41,679 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 [] [2022-07-12 17:15:45,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:45,613 INFO L93 Difference]: Finished difference Result 3232 states and 4383 transitions. [2022-07-12 17:15:45,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:45,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2022-07-12 17:15:45,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:45,622 INFO L225 Difference]: With dead ends: 3232 [2022-07-12 17:15:45,622 INFO L226 Difference]: Without dead ends: 3230 [2022-07-12 17:15:45,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:15:45,624 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 3659 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 3129 SdHoareTripleChecker+Invalid, 4107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:45,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3814 Valid, 3129 Invalid, 4107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2318 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-12 17:15:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2022-07-12 17:15:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 3230. [2022-07-12 17:15:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 2215 states have (on average 1.2293453724604966) internal successors, (2723), 2316 states have internal predecessors, (2723), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:15:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4381 transitions. [2022-07-12 17:15:45,817 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4381 transitions. Word has length 163 [2022-07-12 17:15:45,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:45,817 INFO L495 AbstractCegarLoop]: Abstraction has 3230 states and 4381 transitions. [2022-07-12 17:15:45,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 17:15:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4381 transitions. [2022-07-12 17:15:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-12 17:15:45,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:45,821 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:15:45,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 17:15:45,822 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-12 17:15:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:45,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1209126628, now seen corresponding path program 1 times [2022-07-12 17:15:45,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:45,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113060870] [2022-07-12 17:15:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:15:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:15:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:15:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:15:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:15:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:15:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:15:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 17:15:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 17:15:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 17:15:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 17:15:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 17:15:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:15:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 17:15:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:15:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 17:15:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-12 17:15:46,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:46,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113060870] [2022-07-12 17:15:46,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113060870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:46,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:46,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:15:46,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41830497] [2022-07-12 17:15:46,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:46,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:15:46,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:46,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:15:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:15:46,130 INFO L87 Difference]: Start difference. First operand 3230 states and 4381 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-12 17:15:50,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:15:52,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:15:54,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:15:58,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:16:00,905 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 [] [2022-07-12 17:16:05,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:05,260 INFO L93 Difference]: Finished difference Result 6416 states and 8808 transitions. [2022-07-12 17:16:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:16:05,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 211 [2022-07-12 17:16:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:05,280 INFO L225 Difference]: With dead ends: 6416 [2022-07-12 17:16:05,280 INFO L226 Difference]: Without dead ends: 3332 [2022-07-12 17:16:05,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:16:05,290 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 3039 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 5034 mSolverCounterSat, 2080 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 7119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2080 IncrementalHoareTripleChecker+Valid, 5034 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:16:05,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 3944 Invalid, 7119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2080 Valid, 5034 Invalid, 5 Unknown, 0 Unchecked, 18.8s Time] [2022-07-12 17:16:05,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-12 17:16:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3236. [2022-07-12 17:16:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 2221 states have (on average 1.2287257991895542) internal successors, (2729), 2322 states have internal predecessors, (2729), 768 states have call successors, (768), 205 states have call predecessors, (768), 233 states have return successors, (890), 751 states have call predecessors, (890), 766 states have call successors, (890) [2022-07-12 17:16:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 4387 transitions. [2022-07-12 17:16:05,504 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 4387 transitions. Word has length 211 [2022-07-12 17:16:05,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:05,504 INFO L495 AbstractCegarLoop]: Abstraction has 3236 states and 4387 transitions. [2022-07-12 17:16:05,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-12 17:16:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 4387 transitions. [2022-07-12 17:16:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-12 17:16:05,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:05,507 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:16:05,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 17:16:05,507 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-07-12 17:16:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:05,508 INFO L85 PathProgramCache]: Analyzing trace with hash -2018473254, now seen corresponding path program 1 times [2022-07-12 17:16:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:05,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621369256] [2022-07-12 17:16:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:05,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:16:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:16:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 17:16:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:16:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 17:16:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 17:16:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 17:16:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 17:16:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 17:16:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:16:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:16:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 17:16:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 17:16:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 17:16:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 17:16:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 17:16:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:16:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 17:16:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 17:16:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 17:16:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-12 17:16:05,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:16:05,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621369256] [2022-07-12 17:16:05,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621369256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:16:05,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:16:05,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 17:16:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529323244] [2022-07-12 17:16:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:16:05,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 17:16:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:16:05,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 17:16:05,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 17:16:05,853 INFO L87 Difference]: Start difference. First operand 3236 states and 4387 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 17:16:12,727 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 [] [2022-07-12 17:16:14,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:16:16,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:16:22,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:16:24,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []