./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:53:56,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:53:56,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:53:56,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:53:56,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:53:56,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:53:56,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:53:56,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:53:56,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:53:56,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:53:56,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:53:56,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:53:56,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:53:56,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:53:56,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:53:56,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:53:56,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:53:56,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:53:56,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:53:56,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:53:56,317 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:53:56,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:53:56,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:53:56,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:53:56,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:53:56,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:53:56,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:53:56,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:53:56,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:53:56,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:53:56,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:53:56,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:53:56,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:53:56,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:53:56,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:53:56,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:53:56,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:53:56,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:53:56,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:53:56,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:53:56,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:53:56,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:53:56,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:53:56,365 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:53:56,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:53:56,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:53:56,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:53:56,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:53:56,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:53:56,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:53:56,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:53:56,368 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:53:56,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:53:56,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:53:56,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:53:56,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:53:56,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:53:56,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:53:56,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:53:56,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:53:56,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:53:56,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:53:56,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:53:56,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:53:56,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:53:56,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:53:56,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:53:56,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:53:56,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:53:56,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:53:56,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:53:56,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:53:56,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:53:56,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2022-07-14 04:53:56,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:53:56,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:53:56,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:53:56,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:53:56,627 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:53:56,629 INFO L432 ainManager$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 [2022-07-14 04:53:56,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3cf5bfcf/b8b87179a1aa4eee88eebbf9983a07ad/FLAG0a7d0c5fd [2022-07-14 04:53:57,461 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:53:57,462 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 [2022-07-14 04:53:57,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3cf5bfcf/b8b87179a1aa4eee88eebbf9983a07ad/FLAG0a7d0c5fd [2022-07-14 04:53:57,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3cf5bfcf/b8b87179a1aa4eee88eebbf9983a07ad [2022-07-14 04:53:57,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:53:57,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:53:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:53:57,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:53:57,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:53:57,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:53:57" (1/1) ... [2022-07-14 04:53:57,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27edfcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:53:57, skipping insertion in model container [2022-07-14 04:53:57,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:53:57" (1/1) ... [2022-07-14 04:53:57,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:53:57,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:54:01,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2022-07-14 04:54:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2022-07-14 04:54:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2022-07-14 04:54:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2022-07-14 04:54:01,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2022-07-14 04:54:01,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2022-07-14 04:54:01,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2022-07-14 04:54:01,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:54:01,120 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:54:01,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2022-07-14 04:54:01,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2022-07-14 04:54:01,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2022-07-14 04:54:01,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2022-07-14 04:54:01,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2022-07-14 04:54:01,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2022-07-14 04:54:01,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2022-07-14 04:54:01,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2022-07-14 04:54:01,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2022-07-14 04:54:01,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2022-07-14 04:54:01,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2022-07-14 04:54:01,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2022-07-14 04:54:01,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2022-07-14 04:54:01,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2022-07-14 04:54:01,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2022-07-14 04:54:01,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2022-07-14 04:54:01,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2022-07-14 04:54:01,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2022-07-14 04:54:01,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2022-07-14 04:54:01,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2022-07-14 04:54:01,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2022-07-14 04:54:01,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2022-07-14 04:54:01,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2022-07-14 04:54:01,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2022-07-14 04:54:01,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2022-07-14 04:54:01,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2022-07-14 04:54:01,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2022-07-14 04:54:01,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2022-07-14 04:54:01,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2022-07-14 04:54:01,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2022-07-14 04:54:01,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2022-07-14 04:54:01,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2022-07-14 04:54:01,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2022-07-14 04:54:01,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2022-07-14 04:54:01,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2022-07-14 04:54:01,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2022-07-14 04:54:01,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2022-07-14 04:54:01,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2022-07-14 04:54:01,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2022-07-14 04:54:01,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2022-07-14 04:54:01,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2022-07-14 04:54:01,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2022-07-14 04:54:01,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2022-07-14 04:54:01,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2022-07-14 04:54:01,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2022-07-14 04:54:01,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2022-07-14 04:54:01,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2022-07-14 04:54:01,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2022-07-14 04:54:01,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2022-07-14 04:54:01,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2022-07-14 04:54:01,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2022-07-14 04:54:01,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2022-07-14 04:54:01,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2022-07-14 04:54:01,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2022-07-14 04:54:01,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/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] [2022-07-14 04:54:01,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2022-07-14 04:54:01,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2022-07-14 04:54:01,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2022-07-14 04:54:01,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2022-07-14 04:54:01,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2022-07-14 04:54:01,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2022-07-14 04:54:01,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2022-07-14 04:54:01,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2022-07-14 04:54:01,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2022-07-14 04:54:01,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2022-07-14 04:54:01,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2022-07-14 04:54:01,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2022-07-14 04:54:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2022-07-14 04:54:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2022-07-14 04:54:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2022-07-14 04:54:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2022-07-14 04:54:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2022-07-14 04:54:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2022-07-14 04:54:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2022-07-14 04:54:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2022-07-14 04:54:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2022-07-14 04:54:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2022-07-14 04:54:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2022-07-14 04:54:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2022-07-14 04:54:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2022-07-14 04:54:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2022-07-14 04:54:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2022-07-14 04:54:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2022-07-14 04:54:01,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:54:01,596 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:54:01,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01 WrapperNode [2022-07-14 04:54:01,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:54:01,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:54:01,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:54:01,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:54:01,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:01,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,126 INFO L137 Inliner]: procedures = 635, calls = 2105, calls flagged for inlining = 297, calls inlined = 221, statements flattened = 4958 [2022-07-14 04:54:02,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:54:02,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:54:02,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:54:02,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:54:02,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:02,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:03,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:54:03,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:54:03,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:54:03,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:54:03,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (1/1) ... [2022-07-14 04:54:03,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:54:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:54:03,147 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) [2022-07-14 04:54:03,184 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 [2022-07-14 04:54:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 04:54:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 04:54:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-14 04:54:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-14 04:54:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:54:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:54:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:54:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:54:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-14 04:54:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-14 04:54:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-14 04:54:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-07-14 04:54:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:54:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:54:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:54:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:54:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:54:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:54:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-14 04:54:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-07-14 04:54:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:54:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:54:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:54:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:54:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2022-07-14 04:54:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2022-07-14 04:54:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 04:54:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 04:54:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:54:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:54:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:54:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:54:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-07-14 04:54:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-14 04:54:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-14 04:54:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-14 04:54:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:54:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:54:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:54:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:54:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:54:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 04:54:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 04:54:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:54:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:54:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 04:54:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 04:54:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:54:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:54:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:54:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-14 04:54:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-14 04:54:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-14 04:54:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-14 04:54:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 04:54:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:54:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2022-07-14 04:54:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2022-07-14 04:54:04,023 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:54:04,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:54:04,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:54:13,915 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:54:13,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:54:13,934 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:54:13,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:54:13 BoogieIcfgContainer [2022-07-14 04:54:13,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:54:13,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:54:13,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:54:13,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:54:13,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:53:57" (1/3) ... [2022-07-14 04:54:13,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536849fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:54:13, skipping insertion in model container [2022-07-14 04:54:13,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:54:01" (2/3) ... [2022-07-14 04:54:13,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536849fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:54:13, skipping insertion in model container [2022-07-14 04:54:13,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:54:13" (3/3) ... [2022-07-14 04:54:13,947 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2022-07-14 04:54:13,957 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:54:13,958 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-07-14 04:54:14,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:54:14,045 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@20ef90be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6dc9619b [2022-07-14 04:54:14,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-07-14 04:54:14,054 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) [2022-07-14 04:54:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-14 04:54:14,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:14,064 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] [2022-07-14 04:54:14,065 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)] === [2022-07-14 04:54:14,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1255724155, now seen corresponding path program 1 times [2022-07-14 04:54:14,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:14,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959185547] [2022-07-14 04:54:14,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:14,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:14,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:14,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959185547] [2022-07-14 04:54:14,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959185547] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:14,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:14,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:14,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641344156] [2022-07-14 04:54:14,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:14,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:14,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:14,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:14,734 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) [2022-07-14 04:54:18,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:21,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:21,526 INFO L93 Difference]: Finished difference Result 3438 states and 4733 transitions. [2022-07-14 04:54:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:21,528 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 [2022-07-14 04:54:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:21,558 INFO L225 Difference]: With dead ends: 3438 [2022-07-14 04:54:21,558 INFO L226 Difference]: Without dead ends: 1723 [2022-07-14 04:54:21,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:54:21,574 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 3814 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:21,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 3221 Invalid, 4178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1805 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-14 04:54:21,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-07-14 04:54:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1723. [2022-07-14 04:54:21,716 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) [2022-07-14 04:54:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2260 transitions. [2022-07-14 04:54:21,729 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2260 transitions. Word has length 71 [2022-07-14 04:54:21,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:21,730 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2260 transitions. [2022-07-14 04:54:21,730 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) [2022-07-14 04:54:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2260 transitions. [2022-07-14 04:54:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-14 04:54:21,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:21,733 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] [2022-07-14 04:54:21,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:54:21,734 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)] === [2022-07-14 04:54:21,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:21,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1918160651, now seen corresponding path program 1 times [2022-07-14 04:54:21,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:21,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092182973] [2022-07-14 04:54:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:21,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:54:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:21,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:21,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092182973] [2022-07-14 04:54:21,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092182973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:21,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:21,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:21,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47710732] [2022-07-14 04:54:21,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:21,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:21,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:21,984 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) [2022-07-14 04:54:25,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:28,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:28,283 INFO L93 Difference]: Finished difference Result 1723 states and 2260 transitions. [2022-07-14 04:54:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:28,284 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 [2022-07-14 04:54:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:28,293 INFO L225 Difference]: With dead ends: 1723 [2022-07-14 04:54:28,293 INFO L226 Difference]: Without dead ends: 1721 [2022-07-14 04:54:28,294 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 [2022-07-14 04:54:28,295 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 3773 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 3167 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:28,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 3167 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-14 04:54:28,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-14 04:54:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2022-07-14 04:54:28,350 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) [2022-07-14 04:54:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2258 transitions. [2022-07-14 04:54:28,359 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2258 transitions. Word has length 77 [2022-07-14 04:54:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:28,361 INFO L495 AbstractCegarLoop]: Abstraction has 1721 states and 2258 transitions. [2022-07-14 04:54:28,361 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) [2022-07-14 04:54:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2258 transitions. [2022-07-14 04:54:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-14 04:54:28,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:28,366 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] [2022-07-14 04:54:28,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:54:28,367 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)] === [2022-07-14 04:54:28,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1824780030, now seen corresponding path program 1 times [2022-07-14 04:54:28,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:28,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263172909] [2022-07-14 04:54:28,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:28,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:54:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:54:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:28,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:28,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263172909] [2022-07-14 04:54:28,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263172909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:28,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:28,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:28,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711240006] [2022-07-14 04:54:28,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:28,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:28,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:28,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:28,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:28,664 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) [2022-07-14 04:54:33,041 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 [] [2022-07-14 04:54:35,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:35,874 INFO L93 Difference]: Finished difference Result 1721 states and 2258 transitions. [2022-07-14 04:54:35,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:35,875 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 [2022-07-14 04:54:35,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:35,883 INFO L225 Difference]: With dead ends: 1721 [2022-07-14 04:54:35,883 INFO L226 Difference]: Without dead ends: 1719 [2022-07-14 04:54:35,884 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 [2022-07-14 04:54:35,885 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 3767 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 7.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:35,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3935 Valid, 3165 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2354 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-07-14 04:54:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2022-07-14 04:54:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2022-07-14 04:54:35,932 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) [2022-07-14 04:54:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2256 transitions. [2022-07-14 04:54:35,939 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2256 transitions. Word has length 83 [2022-07-14 04:54:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:35,940 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 2256 transitions. [2022-07-14 04:54:35,940 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) [2022-07-14 04:54:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2256 transitions. [2022-07-14 04:54:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-14 04:54:35,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:35,941 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] [2022-07-14 04:54:35,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:54:35,941 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)] === [2022-07-14 04:54:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:35,942 INFO L85 PathProgramCache]: Analyzing trace with hash -335668616, now seen corresponding path program 1 times [2022-07-14 04:54:35,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061783349] [2022-07-14 04:54:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:54:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:54:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:54:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:36,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:36,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061783349] [2022-07-14 04:54:36,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061783349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:36,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:36,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:36,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024350088] [2022-07-14 04:54:36,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:36,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:36,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:36,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:36,246 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) [2022-07-14 04:54:40,423 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 [] [2022-07-14 04:54:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:43,086 INFO L93 Difference]: Finished difference Result 1719 states and 2256 transitions. [2022-07-14 04:54:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:43,087 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 [2022-07-14 04:54:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:43,095 INFO L225 Difference]: With dead ends: 1719 [2022-07-14 04:54:43,095 INFO L226 Difference]: Without dead ends: 1717 [2022-07-14 04:54:43,096 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 [2022-07-14 04:54:43,096 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 3761 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:43,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 3163 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2352 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-07-14 04:54:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-07-14 04:54:43,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-07-14 04:54:43,142 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) [2022-07-14 04:54:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2254 transitions. [2022-07-14 04:54:43,149 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2254 transitions. Word has length 89 [2022-07-14 04:54:43,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:43,150 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 2254 transitions. [2022-07-14 04:54:43,150 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) [2022-07-14 04:54:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2254 transitions. [2022-07-14 04:54:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-14 04:54:43,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:43,151 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] [2022-07-14 04:54:43,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:54:43,151 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)] === [2022-07-14 04:54:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash -398152295, now seen corresponding path program 1 times [2022-07-14 04:54:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:43,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63972072] [2022-07-14 04:54:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:54:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:54:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:54:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:54:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:43,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:43,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63972072] [2022-07-14 04:54:43,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63972072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:43,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:43,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:43,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161807568] [2022-07-14 04:54:43,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:43,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:43,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:43,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:43,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:43,392 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) [2022-07-14 04:54:45,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:48,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:51,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:52,778 INFO L93 Difference]: Finished difference Result 1717 states and 2254 transitions. [2022-07-14 04:54:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:52,779 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 [2022-07-14 04:54:52,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:52,786 INFO L225 Difference]: With dead ends: 1717 [2022-07-14 04:54:52,786 INFO L226 Difference]: Without dead ends: 1715 [2022-07-14 04:54:52,788 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 [2022-07-14 04:54:52,790 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 3755 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3921 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:52,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3921 Valid, 3161 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2349 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-07-14 04:54:52,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2022-07-14 04:54:52,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2022-07-14 04:54:52,846 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) [2022-07-14 04:54:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2252 transitions. [2022-07-14 04:54:52,853 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2252 transitions. Word has length 95 [2022-07-14 04:54:52,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:52,854 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2252 transitions. [2022-07-14 04:54:52,854 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) [2022-07-14 04:54:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2252 transitions. [2022-07-14 04:54:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-14 04:54:52,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:52,856 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:52,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:54:52,856 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)] === [2022-07-14 04:54:52,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1557547795, now seen corresponding path program 1 times [2022-07-14 04:54:52,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:54:52,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658388153] [2022-07-14 04:54:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:54:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:54:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:54:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:54:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:54:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:54:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:54:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:54:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:54:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:54:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:54:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:54:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:54:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:54:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:54:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:54:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:54:53,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:54:53,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658388153] [2022-07-14 04:54:53,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658388153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:53,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:53,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:53,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559600600] [2022-07-14 04:54:53,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:53,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:53,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:54:53,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:53,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:53,085 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) [2022-07-14 04:54:57,588 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 [] [2022-07-14 04:55:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:00,478 INFO L93 Difference]: Finished difference Result 1715 states and 2252 transitions. [2022-07-14 04:55:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:00,478 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 [2022-07-14 04:55:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:00,487 INFO L225 Difference]: With dead ends: 1715 [2022-07-14 04:55:00,488 INFO L226 Difference]: Without dead ends: 1713 [2022-07-14 04:55:00,489 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 [2022-07-14 04:55:00,490 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 3749 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:00,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 3159 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2348 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-14 04:55:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-07-14 04:55:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2022-07-14 04:55:00,553 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) [2022-07-14 04:55:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2250 transitions. [2022-07-14 04:55:00,561 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2250 transitions. Word has length 101 [2022-07-14 04:55:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:00,561 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2250 transitions. [2022-07-14 04:55:00,561 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) [2022-07-14 04:55:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2250 transitions. [2022-07-14 04:55:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-14 04:55:00,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:00,563 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] [2022-07-14 04:55:00,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:55:00,563 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)] === [2022-07-14 04:55:00,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1869991453, now seen corresponding path program 1 times [2022-07-14 04:55:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:55:00,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96890337] [2022-07-14 04:55:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:55:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:55:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:55:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:55:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:55:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:55:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:55:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:55:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:55:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:55:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:55:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:55:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:55:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:55:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:55:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:55:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:55:00,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:55:00,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96890337] [2022-07-14 04:55:00,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96890337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:00,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:00,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:55:00,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123140887] [2022-07-14 04:55:00,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:00,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:55:00,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:55:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:55:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:55:00,858 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) [2022-07-14 04:55:04,987 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 [] [2022-07-14 04:55:07,245 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 [] [2022-07-14 04:55:09,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:09,663 INFO L93 Difference]: Finished difference Result 1713 states and 2250 transitions. [2022-07-14 04:55:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:09,663 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 [2022-07-14 04:55:09,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:09,670 INFO L225 Difference]: With dead ends: 1713 [2022-07-14 04:55:09,671 INFO L226 Difference]: Without dead ends: 1711 [2022-07-14 04:55:09,671 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 [2022-07-14 04:55:09,672 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 3743 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 1788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 3157 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:09,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 3157 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2345 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 04:55:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-07-14 04:55:09,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2022-07-14 04:55:09,719 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) [2022-07-14 04:55:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2248 transitions. [2022-07-14 04:55:09,724 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2248 transitions. Word has length 107 [2022-07-14 04:55:09,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:09,725 INFO L495 AbstractCegarLoop]: Abstraction has 1711 states and 2248 transitions. [2022-07-14 04:55:09,725 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) [2022-07-14 04:55:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2248 transitions. [2022-07-14 04:55:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 04:55:09,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:09,726 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] [2022-07-14 04:55:09,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:55:09,727 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)] === [2022-07-14 04:55:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1122418189, now seen corresponding path program 1 times [2022-07-14 04:55:09,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:55:09,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18547946] [2022-07-14 04:55:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:55:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:55:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:55:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:55:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:55:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:55:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:55:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:55:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:55:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:55:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:55:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:55:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:55:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:55:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:55:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:55:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:55:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:55:09,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:55:09,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18547946] [2022-07-14 04:55:09,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18547946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:09,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:09,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:55:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814519948] [2022-07-14 04:55:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:09,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:55:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:55:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:55:09,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:55:09,993 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) [2022-07-14 04:55:14,097 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 [] [2022-07-14 04:55:17,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:17,451 INFO L93 Difference]: Finished difference Result 1711 states and 2248 transitions. [2022-07-14 04:55:17,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:17,451 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 [2022-07-14 04:55:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:17,458 INFO L225 Difference]: With dead ends: 1711 [2022-07-14 04:55:17,458 INFO L226 Difference]: Without dead ends: 1709 [2022-07-14 04:55:17,459 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 [2022-07-14 04:55:17,460 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 3741 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3904 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:17,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3904 Valid, 3155 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-07-14 04:55:17,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-07-14 04:55:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2022-07-14 04:55:17,507 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) [2022-07-14 04:55:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2246 transitions. [2022-07-14 04:55:17,512 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2246 transitions. Word has length 113 [2022-07-14 04:55:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:17,513 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2246 transitions. [2022-07-14 04:55:17,513 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) [2022-07-14 04:55:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2246 transitions. [2022-07-14 04:55:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-14 04:55:17,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:17,514 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] [2022-07-14 04:55:17,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 04:55:17,515 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)] === [2022-07-14 04:55:17,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:17,515 INFO L85 PathProgramCache]: Analyzing trace with hash -606950218, now seen corresponding path program 1 times [2022-07-14 04:55:17,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:55:17,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256855810] [2022-07-14 04:55:17,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:55:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:55:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:55:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:55:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:55:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:55:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:55:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:55:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:55:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:55:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:55:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:55:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:55:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:55:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:55:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:55:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:55:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:55:17,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:55:17,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256855810] [2022-07-14 04:55:17,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256855810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:17,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:17,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:55:17,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724457131] [2022-07-14 04:55:17,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:17,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:55:17,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:55:17,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:55:17,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:55:17,783 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) [2022-07-14 04:55:21,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:23,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:27,005 INFO L93 Difference]: Finished difference Result 1709 states and 2246 transitions. [2022-07-14 04:55:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:27,005 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 [2022-07-14 04:55:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:27,012 INFO L225 Difference]: With dead ends: 1709 [2022-07-14 04:55:27,012 INFO L226 Difference]: Without dead ends: 1707 [2022-07-14 04:55:27,013 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 [2022-07-14 04:55:27,014 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 3729 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:27,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3153 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2342 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-07-14 04:55:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-14 04:55:27,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2022-07-14 04:55:27,065 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) [2022-07-14 04:55:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-14 04:55:27,071 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 115 [2022-07-14 04:55:27,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:27,072 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-14 04:55:27,072 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) [2022-07-14 04:55:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-14 04:55:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-14 04:55:27,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:27,074 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] [2022-07-14 04:55:27,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 04:55:27,074 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)] === [2022-07-14 04:55:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash 110614786, now seen corresponding path program 1 times [2022-07-14 04:55:27,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:55:27,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588285275] [2022-07-14 04:55:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:55:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:55:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:55:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:55:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:55:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:55:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:55:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:55:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:55:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:55:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:55:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:55:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:55:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:55:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:55:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:55:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:55:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:55:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:55:27,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:55:27,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588285275] [2022-07-14 04:55:27,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588285275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:27,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:27,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:55:27,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163618435] [2022-07-14 04:55:27,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:27,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:55:27,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:55:27,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:55:27,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:55:27,288 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) [2022-07-14 04:55:30,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:32,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:34,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:37,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:39,256 INFO L93 Difference]: Finished difference Result 1707 states and 2244 transitions. [2022-07-14 04:55:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:39,256 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 [2022-07-14 04:55:39,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:39,262 INFO L225 Difference]: With dead ends: 1707 [2022-07-14 04:55:39,262 INFO L226 Difference]: Without dead ends: 1705 [2022-07-14 04:55:39,263 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 [2022-07-14 04:55:39,263 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 3725 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 1788 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:39,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 3151 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2338 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-07-14 04:55:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-07-14 04:55:39,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2022-07-14 04:55:39,324 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) [2022-07-14 04:55:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2242 transitions. [2022-07-14 04:55:39,330 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2242 transitions. Word has length 121 [2022-07-14 04:55:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:39,331 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2242 transitions. [2022-07-14 04:55:39,331 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) [2022-07-14 04:55:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2242 transitions. [2022-07-14 04:55:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-14 04:55:39,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:39,333 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] [2022-07-14 04:55:39,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 04:55:39,334 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)] === [2022-07-14 04:55:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:39,334 INFO L85 PathProgramCache]: Analyzing trace with hash 747162463, now seen corresponding path program 1 times [2022-07-14 04:55:39,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:55:39,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752676525] [2022-07-14 04:55:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:39,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:55:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:55:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:55:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:55:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:55:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:55:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:55:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:55:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:55:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:55:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:55:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:55:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:55:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:55:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 04:55:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:55:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:55:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:55:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:55:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:55:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:55:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 04:55:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 04:55:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:55:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-14 04:55:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-14 04:55:39,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:55:39,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752676525] [2022-07-14 04:55:39,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752676525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:39,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:39,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:55:39,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890311276] [2022-07-14 04:55:39,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:39,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:55:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:55:39,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:55:39,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:55:39,683 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) [2022-07-14 04:55:46,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:48,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:51,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:53,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 04:55:55,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 04:56:01,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:56:01,618 INFO L93 Difference]: Finished difference Result 1866 states and 2487 transitions. [2022-07-14 04:56:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:56:01,619 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 [2022-07-14 04:56:01,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:56:01,631 INFO L225 Difference]: With dead ends: 1866 [2022-07-14 04:56:01,632 INFO L226 Difference]: Without dead ends: 1864 [2022-07-14 04:56:01,633 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 [2022-07-14 04:56:01,634 INFO L413 NwaCegarLoop]: 2000 mSDtfsCounter, 3085 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 5105 mSolverCounterSat, 2056 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 7166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2056 IncrementalHoareTripleChecker+Valid, 5105 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:56:01,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 3969 Invalid, 7166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2056 Valid, 5105 Invalid, 5 Unknown, 0 Unchecked, 21.6s Time] [2022-07-14 04:56:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-07-14 04:56:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1707. [2022-07-14 04:56:01,723 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) [2022-07-14 04:56:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2022-07-14 04:56:01,731 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 168 [2022-07-14 04:56:01,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:56:01,732 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2022-07-14 04:56:01,732 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) [2022-07-14 04:56:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2022-07-14 04:56:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-14 04:56:01,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:56:01,735 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] [2022-07-14 04:56:01,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 04:56:01,735 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)] === [2022-07-14 04:56:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:56:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 747102881, now seen corresponding path program 1 times [2022-07-14 04:56:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:56:01,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513877869] [2022-07-14 04:56:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:56:01,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:56:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:56:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:56:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:56:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:56:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:56:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:56:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:56:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 04:56:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:56:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 04:56:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 04:56:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:56:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-14 04:56:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-14 04:56:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:56:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513877869] [2022-07-14 04:56:02,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513877869] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:56:02,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:56:02,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 04:56:02,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119813360] [2022-07-14 04:56:02,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:56:02,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 04:56:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:56:02,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 04:56:02,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:56:02,344 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) [2022-07-14 04:56:08,983 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 [] [2022-07-14 04:56:11,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:13,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:15,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:18,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 04:56:20,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 04:56:22,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:24,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:27,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:29,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:31,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:36,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:56:36,466 INFO L93 Difference]: Finished difference Result 3524 states and 4727 transitions. [2022-07-14 04:56:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:56:36,467 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 [2022-07-14 04:56:36,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:56:36,476 INFO L225 Difference]: With dead ends: 3524 [2022-07-14 04:56:36,476 INFO L226 Difference]: Without dead ends: 1857 [2022-07-14 04:56:36,483 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 [2022-07-14 04:56:36,483 INFO L413 NwaCegarLoop]: 1999 mSDtfsCounter, 4708 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 7050 mSolverCounterSat, 2620 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4886 SdHoareTripleChecker+Valid, 4304 SdHoareTripleChecker+Invalid, 9679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2620 IncrementalHoareTripleChecker+Valid, 7050 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:56:36,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4886 Valid, 4304 Invalid, 9679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2620 Valid, 7050 Invalid, 9 Unknown, 0 Unchecked, 33.6s Time] [2022-07-14 04:56:36,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-07-14 04:56:36,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1703. [2022-07-14 04:56:36,564 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) [2022-07-14 04:56:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2239 transitions. [2022-07-14 04:56:36,571 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2239 transitions. Word has length 168 [2022-07-14 04:56:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:56:36,571 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 2239 transitions. [2022-07-14 04:56:36,572 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) [2022-07-14 04:56:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2239 transitions. [2022-07-14 04:56:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-14 04:56:36,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:56:36,573 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] [2022-07-14 04:56:36,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 04:56:36,574 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)] === [2022-07-14 04:56:36,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:56:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1963748082, now seen corresponding path program 1 times [2022-07-14 04:56:36,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:56:36,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491560754] [2022-07-14 04:56:36,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:56:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:56:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:56:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:56:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:56:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:56:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:56:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:56:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:56:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:56:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:56:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:56:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:56:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:56:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:56:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:56:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:56:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:56:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:56:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:56:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:56:36,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:56:36,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491560754] [2022-07-14 04:56:36,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491560754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:56:36,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:56:36,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:56:36,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659343284] [2022-07-14 04:56:36,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:56:36,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:56:36,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:56:36,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:56:36,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:56:36,888 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) [2022-07-14 04:56:41,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:56:45,065 INFO L93 Difference]: Finished difference Result 1703 states and 2239 transitions. [2022-07-14 04:56:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:56:45,065 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 [2022-07-14 04:56:45,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:56:45,074 INFO L225 Difference]: With dead ends: 1703 [2022-07-14 04:56:45,075 INFO L226 Difference]: Without dead ends: 1701 [2022-07-14 04:56:45,076 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 [2022-07-14 04:56:45,077 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 3710 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:56:45,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 3146 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2336 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-07-14 04:56:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-07-14 04:56:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1701. [2022-07-14 04:56:45,161 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) [2022-07-14 04:56:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2237 transitions. [2022-07-14 04:56:45,169 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2237 transitions. Word has length 127 [2022-07-14 04:56:45,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:56:45,170 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2237 transitions. [2022-07-14 04:56:45,170 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) [2022-07-14 04:56:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2237 transitions. [2022-07-14 04:56:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-14 04:56:45,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:56:45,173 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] [2022-07-14 04:56:45,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 04:56:45,173 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)] === [2022-07-14 04:56:45,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:56:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash 660713222, now seen corresponding path program 1 times [2022-07-14 04:56:45,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:56:45,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362557365] [2022-07-14 04:56:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:56:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:56:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:56:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:56:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:56:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:56:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:56:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:56:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:56:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:56:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:56:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:56:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:56:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 04:56:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:56:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 04:56:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 04:56:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:56:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:56:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:56:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 04:56:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:56:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-07-14 04:56:45,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:56:45,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362557365] [2022-07-14 04:56:45,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362557365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:56:45,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:56:45,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 04:56:45,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726965676] [2022-07-14 04:56:45,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:56:45,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:56:45,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:56:45,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:56:45,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:56:45,568 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) [2022-07-14 04:56:51,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:53,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:56,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:02,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:03,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:05,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:07,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:08,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:10,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:57:22,367 INFO L93 Difference]: Finished difference Result 3559 states and 4770 transitions. [2022-07-14 04:57:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:57:22,367 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 [2022-07-14 04:57:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:57:22,385 INFO L225 Difference]: With dead ends: 3559 [2022-07-14 04:57:22,385 INFO L226 Difference]: Without dead ends: 3557 [2022-07-14 04:57:22,388 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 [2022-07-14 04:57:22,389 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 6699 mSDsluCounter, 2315 mSDsCounter, 0 mSdLazyCounter, 9862 mSolverCounterSat, 4289 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6864 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 14156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4289 IncrementalHoareTripleChecker+Valid, 9862 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:57:22,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6864 Valid, 4968 Invalid, 14156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4289 Valid, 9862 Invalid, 5 Unknown, 0 Unchecked, 36.1s Time] [2022-07-14 04:57:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2022-07-14 04:57:22,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3262. [2022-07-14 04:57:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 2238 states have (on average 1.2332439678284182) internal successors, (2760), 2346 states have internal predecessors, (2760), 769 states have call successors, (769), 206 states have call predecessors, (769), 234 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-14 04:57:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4419 transitions. [2022-07-14 04:57:22,532 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4419 transitions. Word has length 164 [2022-07-14 04:57:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:57:22,533 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4419 transitions. [2022-07-14 04:57:22,533 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) [2022-07-14 04:57:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4419 transitions. [2022-07-14 04:57:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-14 04:57:22,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:57:22,535 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] [2022-07-14 04:57:22,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 04:57:22,536 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)] === [2022-07-14 04:57:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:57:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1187153551, now seen corresponding path program 1 times [2022-07-14 04:57:22,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:57:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902044813] [2022-07-14 04:57:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:57:22,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:57:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:57:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:57:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:57:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:57:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:57:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:57:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:57:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:57:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:57:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:57:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:57:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:57:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:57:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 04:57:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:57:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:57:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:57:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:57:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:57:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 04:57:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 04:57:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:57:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:57:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-14 04:57:22,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:57:22,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902044813] [2022-07-14 04:57:22,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902044813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:57:22,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:57:22,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:57:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673694802] [2022-07-14 04:57:22,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:57:22,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:57:22,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:57:22,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:57:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:57:22,878 INFO L87 Difference]: Start difference. First operand 3262 states and 4419 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) [2022-07-14 04:57:27,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:30,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:32,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:57:34,170 INFO L93 Difference]: Finished difference Result 6558 states and 9097 transitions. [2022-07-14 04:57:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:57:34,171 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 [2022-07-14 04:57:34,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:57:34,194 INFO L225 Difference]: With dead ends: 6558 [2022-07-14 04:57:34,194 INFO L226 Difference]: Without dead ends: 3336 [2022-07-14 04:57:34,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:57:34,213 INFO L413 NwaCegarLoop]: 1994 mSDtfsCounter, 4688 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 2604 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4867 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 4158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2604 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:57:34,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4867 Valid, 2953 Invalid, 4158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2604 Valid, 1552 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-07-14 04:57:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2022-07-14 04:57:34,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3256. [2022-07-14 04:57:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 2233 states have (on average 1.2319749216300941) internal successors, (2751), 2340 states have internal predecessors, (2751), 769 states have call successors, (769), 206 states have call predecessors, (769), 234 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-14 04:57:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4410 transitions. [2022-07-14 04:57:34,429 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4410 transitions. Word has length 175 [2022-07-14 04:57:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:57:34,430 INFO L495 AbstractCegarLoop]: Abstraction has 3256 states and 4410 transitions. [2022-07-14 04:57:34,430 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) [2022-07-14 04:57:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4410 transitions. [2022-07-14 04:57:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-14 04:57:34,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:57:34,433 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] [2022-07-14 04:57:34,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 04:57:34,433 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)] === [2022-07-14 04:57:34,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:57:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1168266531, now seen corresponding path program 1 times [2022-07-14 04:57:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:57:34,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480866892] [2022-07-14 04:57:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:57:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:57:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:57:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:57:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:57:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:57:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:57:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:57:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:57:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:57:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:57:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:57:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:57:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:57:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:57:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:57:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:57:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:57:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:57:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:57:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:57:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:57:34,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:57:34,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480866892] [2022-07-14 04:57:34,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480866892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:57:34,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:57:34,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:57:34,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197366173] [2022-07-14 04:57:34,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:57:34,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:57:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:57:34,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:57:34,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:57:34,751 INFO L87 Difference]: Start difference. First operand 3256 states and 4410 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) [2022-07-14 04:57:37,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:39,668 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 [] [2022-07-14 04:57:43,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:57:43,669 INFO L93 Difference]: Finished difference Result 3256 states and 4410 transitions. [2022-07-14 04:57:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:57:43,669 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 [2022-07-14 04:57:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:57:43,689 INFO L225 Difference]: With dead ends: 3256 [2022-07-14 04:57:43,689 INFO L226 Difference]: Without dead ends: 3254 [2022-07-14 04:57:43,692 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 [2022-07-14 04:57:43,693 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 3689 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s 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, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:57:43,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 3139 Invalid, 4117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2328 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 04:57:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2022-07-14 04:57:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3254. [2022-07-14 04:57:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 2232 states have (on average 1.2316308243727598) internal successors, (2749), 2338 states have internal predecessors, (2749), 769 states have call successors, (769), 206 states have call predecessors, (769), 234 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-14 04:57:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4408 transitions. [2022-07-14 04:57:43,898 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4408 transitions. Word has length 133 [2022-07-14 04:57:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:57:43,899 INFO L495 AbstractCegarLoop]: Abstraction has 3254 states and 4408 transitions. [2022-07-14 04:57:43,899 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) [2022-07-14 04:57:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4408 transitions. [2022-07-14 04:57:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-14 04:57:43,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:57:43,902 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] [2022-07-14 04:57:43,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 04:57:43,903 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)] === [2022-07-14 04:57:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:57:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash -523651152, now seen corresponding path program 1 times [2022-07-14 04:57:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:57:43,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927709462] [2022-07-14 04:57:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:57:43,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:57:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:57:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:57:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:57:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:57:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:57:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:57:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:57:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:57:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:57:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:57:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:57:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:57:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:57:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:57:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:57:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:57:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:57:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:57:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:57:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:57:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:57:44,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:57:44,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927709462] [2022-07-14 04:57:44,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927709462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:57:44,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:57:44,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:57:44,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563891278] [2022-07-14 04:57:44,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:57:44,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:57:44,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:57:44,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:57:44,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:57:44,156 INFO L87 Difference]: Start difference. First operand 3254 states and 4408 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) [2022-07-14 04:57:48,865 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 [] [2022-07-14 04:57:52,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:57:52,706 INFO L93 Difference]: Finished difference Result 3254 states and 4408 transitions. [2022-07-14 04:57:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:57:52,706 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 [2022-07-14 04:57:52,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:57:52,716 INFO L225 Difference]: With dead ends: 3254 [2022-07-14 04:57:52,716 INFO L226 Difference]: Without dead ends: 3252 [2022-07-14 04:57:52,718 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 [2022-07-14 04:57:52,718 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 3683 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:57:52,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 3137 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2326 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-07-14 04:57:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-07-14 04:57:52,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2022-07-14 04:57:52,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2231 states have (on average 1.231286418646347) internal successors, (2747), 2336 states have internal predecessors, (2747), 769 states have call successors, (769), 206 states have call predecessors, (769), 234 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-14 04:57:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4406 transitions. [2022-07-14 04:57:52,856 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4406 transitions. Word has length 139 [2022-07-14 04:57:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:57:52,857 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 4406 transitions. [2022-07-14 04:57:52,857 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) [2022-07-14 04:57:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4406 transitions. [2022-07-14 04:57:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-14 04:57:52,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:57:52,859 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] [2022-07-14 04:57:52,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 04:57:52,860 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)] === [2022-07-14 04:57:52,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:57:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1547787098, now seen corresponding path program 1 times [2022-07-14 04:57:52,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:57:52,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809367428] [2022-07-14 04:57:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:57:52,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:57:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:57:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:57:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:57:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:57:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:57:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:57:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:57:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:57:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:57:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:57:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:57:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:57:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:57:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:57:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:57:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:57:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:57:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:57:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:57:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:57:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:57:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:57:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:57:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:57:53,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:57:53,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809367428] [2022-07-14 04:57:53,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809367428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:57:53,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:57:53,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:57:53,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962618169] [2022-07-14 04:57:53,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:57:53,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:57:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:57:53,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:57:53,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:57:53,097 INFO L87 Difference]: Start difference. First operand 3252 states and 4406 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) [2022-07-14 04:57:55,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:57:57,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:58:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:58:01,443 INFO L93 Difference]: Finished difference Result 3252 states and 4406 transitions. [2022-07-14 04:58:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:58:01,444 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 [2022-07-14 04:58:01,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:58:01,456 INFO L225 Difference]: With dead ends: 3252 [2022-07-14 04:58:01,456 INFO L226 Difference]: Without dead ends: 3250 [2022-07-14 04:58:01,458 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 [2022-07-14 04:58:01,459 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 3677 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:58:01,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 3135 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-14 04:58:01,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2022-07-14 04:58:01,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2022-07-14 04:58:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 2230 states have (on average 1.2309417040358743) internal successors, (2745), 2334 states have internal predecessors, (2745), 769 states have call successors, (769), 206 states have call predecessors, (769), 234 states have return successors, (890), 752 states have call predecessors, (890), 767 states have call successors, (890) [2022-07-14 04:58:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4404 transitions. [2022-07-14 04:58:01,696 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4404 transitions. Word has length 145 [2022-07-14 04:58:01,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:58:01,696 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4404 transitions. [2022-07-14 04:58:01,696 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) [2022-07-14 04:58:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4404 transitions. [2022-07-14 04:58:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-14 04:58:01,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:58:01,700 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] [2022-07-14 04:58:01,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 04:58:01,700 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)] === [2022-07-14 04:58:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:58:01,702 INFO L85 PathProgramCache]: Analyzing trace with hash -477664965, now seen corresponding path program 1 times [2022-07-14 04:58:01,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:58:01,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005658503] [2022-07-14 04:58:01,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:58:01,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:58:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:58:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:58:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 04:58:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:58:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 04:58:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:58:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:58:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:58:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 04:58:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 04:58:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 04:58:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:58:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:58:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:58:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:58:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:58:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:58:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:58:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 04:58:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 04:58:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:58:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:58:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 04:58:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:58:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-14 04:58:02,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:58:02,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005658503] [2022-07-14 04:58:02,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005658503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:58:02,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:58:02,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:58:02,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172156609] [2022-07-14 04:58:02,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:58:02,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:58:02,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:58:02,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:58:02,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:58:02,067 INFO L87 Difference]: Start difference. First operand 3250 states and 4404 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)