./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--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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--block--nvme.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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 12:19:16,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 12:19:16,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 12:19:16,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 12:19:16,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 12:19:16,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 12:19:16,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 12:19:16,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 12:19:16,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 12:19:16,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 12:19:16,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 12:19:16,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 12:19:16,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 12:19:16,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 12:19:16,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 12:19:16,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 12:19:16,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 12:19:16,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 12:19:16,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 12:19:16,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 12:19:16,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 12:19:16,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 12:19:16,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 12:19:16,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 12:19:16,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 12:19:16,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 12:19:16,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 12:19:16,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 12:19:16,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 12:19:16,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 12:19:16,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 12:19:16,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 12:19:16,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 12:19:16,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 12:19:16,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 12:19:16,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 12:19:16,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 12:19:16,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 12:19:16,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 12:19:16,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 12:19:16,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 12:19:16,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 12:19:16,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 12:19:16,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 12:19:16,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 12:19:16,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 12:19:16,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 12:19:16,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 12:19:16,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 12:19:16,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 12:19:16,437 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 12:19:16,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 12:19:16,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 12:19:16,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 12:19:16,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 12:19:16,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 12:19:16,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 12:19:16,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 12:19:16,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 12:19:16,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 12:19:16,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 12:19:16,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 12:19:16,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 12:19:16,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:19:16,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 12:19:16,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 12:19:16,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 12:19:16,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 12:19:16,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 12:19:16,442 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 12:19:16,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 12:19:16,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 12:19:16,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 12:19:16,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2021-11-17 12:19:16,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 12:19:16,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 12:19:16,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 12:19:16,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 12:19:16,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 12:19:16,672 INFO L432 ainManager$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--block--nvme.ko.cil.i [2021-11-17 12:19:16,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b09876b/c4f9f3d08bbb4a5a9440c976784e6b7e/FLAG438fbc459 [2021-11-17 12:19:17,604 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 12:19:17,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-17 12:19:17,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b09876b/c4f9f3d08bbb4a5a9440c976784e6b7e/FLAG438fbc459 [2021-11-17 12:19:18,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b09876b/c4f9f3d08bbb4a5a9440c976784e6b7e [2021-11-17 12:19:18,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 12:19:18,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 12:19:18,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 12:19:18,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 12:19:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 12:19:18,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:19:18" (1/1) ... [2021-11-17 12:19:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c9b0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:18, skipping insertion in model container [2021-11-17 12:19:18,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:19:18" (1/1) ... [2021-11-17 12:19:18,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 12:19:18,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 12:19:25,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-17 12:19:25,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-17 12:19:25,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-17 12:19:25,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-17 12:19:25,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-17 12:19:25,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-17 12:19:25,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-17 12:19:25,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-17 12:19:25,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-17 12:19:25,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-17 12:19:25,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-17 12:19:25,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-17 12:19:25,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-17 12:19:25,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-17 12:19:25,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-17 12:19:25,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-17 12:19:25,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-17 12:19:25,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-17 12:19:25,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-17 12:19:25,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-17 12:19:25,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-17 12:19:25,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-17 12:19:25,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-17 12:19:25,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-17 12:19:25,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-17 12:19:25,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-17 12:19:25,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-17 12:19:25,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-17 12:19:25,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-17 12:19:25,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-17 12:19:25,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-17 12:19:25,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-17 12:19:25,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-17 12:19:25,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-17 12:19:25,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-17 12:19:25,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-17 12:19:25,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-17 12:19:25,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-17 12:19:25,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-17 12:19:25,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-17 12:19:25,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-17 12:19:25,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-17 12:19:25,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-17 12:19:25,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-17 12:19:25,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-17 12:19:25,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-17 12:19:25,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-17 12:19:25,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-17 12:19:25,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-17 12:19:25,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-17 12:19:25,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-17 12:19:25,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-17 12:19:25,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-17 12:19:25,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-17 12:19:25,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-17 12:19:25,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-17 12:19:25,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-17 12:19:25,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-17 12:19:25,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-17 12:19:25,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-17 12:19:25,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-17 12:19:25,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-17 12:19:25,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-17 12:19:25,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-17 12:19:25,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-17 12:19:25,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-17 12:19:25,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-17 12:19:25,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-17 12:19:25,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-17 12:19:25,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-17 12:19:25,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-17 12:19:25,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-17 12:19:25,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-17 12:19:25,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-17 12:19:25,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-17 12:19:25,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-17 12:19:25,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-17 12:19:25,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-17 12:19:25,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-17 12:19:25,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-17 12:19:25,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-17 12:19:25,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-17 12:19:25,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-17 12:19:25,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-17 12:19:25,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-17 12:19:25,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-17 12:19:25,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-17 12:19:25,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-17 12:19:25,805 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:19:25,831 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 12:19:26,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-17 12:19:26,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-17 12:19:26,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-17 12:19:26,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-17 12:19:26,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-17 12:19:26,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-17 12:19:26,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-17 12:19:26,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-17 12:19:26,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-17 12:19:26,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-17 12:19:26,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-17 12:19:26,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-17 12:19:26,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-17 12:19:26,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-17 12:19:26,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-17 12:19:26,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-17 12:19:26,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-17 12:19:26,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-17 12:19:26,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-17 12:19:26,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-17 12:19:26,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-17 12:19:26,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-17 12:19:26,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-17 12:19:26,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-17 12:19:26,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-17 12:19:26,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-17 12:19:26,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-17 12:19:26,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-17 12:19:26,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-17 12:19:26,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-17 12:19:26,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-17 12:19:26,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-17 12:19:26,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-17 12:19:26,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-17 12:19:26,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-17 12:19:26,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-17 12:19:26,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-17 12:19:26,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-17 12:19:26,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-17 12:19:26,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-17 12:19:26,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-17 12:19:26,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-17 12:19:26,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-17 12:19:26,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-17 12:19:26,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-17 12:19:26,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-17 12:19:26,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-17 12:19:26,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-17 12:19:26,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-17 12:19:26,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-17 12:19:26,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-17 12:19:26,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-17 12:19:26,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-17 12:19:26,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-17 12:19:26,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-17 12:19:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-17 12:19:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-17 12:19:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-17 12:19:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-17 12:19:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-17 12:19:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-17 12:19:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-17 12:19:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-17 12:19:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-17 12:19:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-17 12:19:26,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-17 12:19:26,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-17 12:19:26,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-17 12:19:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-17 12:19:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-17 12:19:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-17 12:19:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-17 12:19:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-17 12:19:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-17 12:19:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-17 12:19:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-17 12:19:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-17 12:19:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-17 12:19:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-17 12:19:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-17 12:19:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-17 12:19:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-17 12:19:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-17 12:19:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-17 12:19:26,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-17 12:19:26,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-17 12:19:26,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-17 12:19:26,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-17 12:19:26,380 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:19:26,687 INFO L208 MainTranslator]: Completed translation [2021-11-17 12:19:26,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26 WrapperNode [2021-11-17 12:19:26,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 12:19:26,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 12:19:26,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 12:19:26,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 12:19:26,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:26,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,255 INFO L137 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12948 [2021-11-17 12:19:27,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 12:19:27,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 12:19:27,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 12:19:27,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 12:19:27,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 12:19:27,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 12:19:27,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 12:19:27,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 12:19:27,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (1/1) ... [2021-11-17 12:19:27,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:19:27,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:19:27,853 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) [2021-11-17 12:19:27,861 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 [2021-11-17 12:19:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2021-11-17 12:19:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2021-11-17 12:19:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 12:19:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2021-11-17 12:19:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2021-11-17 12:19:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2021-11-17 12:19:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2021-11-17 12:19:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-17 12:19:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-17 12:19:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2021-11-17 12:19:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2021-11-17 12:19:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2021-11-17 12:19:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2021-11-17 12:19:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:19:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:19:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-17 12:19:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-17 12:19:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2021-11-17 12:19:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2021-11-17 12:19:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:19:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:19:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 12:19:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 12:19:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-11-17 12:19:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-11-17 12:19:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2021-11-17 12:19:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2021-11-17 12:19:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2021-11-17 12:19:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2021-11-17 12:19:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2021-11-17 12:19:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2021-11-17 12:19:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 12:19:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 12:19:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-17 12:19:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-17 12:19:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2021-11-17 12:19:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2021-11-17 12:19:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2021-11-17 12:19:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2021-11-17 12:19:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2021-11-17 12:19:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2021-11-17 12:19:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 12:19:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 12:19:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-17 12:19:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-17 12:19:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2021-11-17 12:19:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2021-11-17 12:19:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 12:19:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 12:19:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2021-11-17 12:19:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2021-11-17 12:19:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:19:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:19:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2021-11-17 12:19:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2021-11-17 12:19:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 12:19:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 12:19:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2021-11-17 12:19:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2021-11-17 12:19:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 12:19:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 12:19:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-17 12:19:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-17 12:19:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-17 12:19:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-17 12:19:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-17 12:19:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-17 12:19:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2021-11-17 12:19:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2021-11-17 12:19:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 12:19:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 12:19:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2021-11-17 12:19:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2021-11-17 12:19:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:19:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:19:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 12:19:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:19:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:19:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 12:19:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 12:19:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2021-11-17 12:19:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2021-11-17 12:19:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-17 12:19:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-17 12:19:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2021-11-17 12:19:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2021-11-17 12:19:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2021-11-17 12:19:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2021-11-17 12:19:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 12:19:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 12:19:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 12:19:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 12:19:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-17 12:19:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-17 12:19:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-17 12:19:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-17 12:19:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-17 12:19:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-17 12:19:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2021-11-17 12:19:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2021-11-17 12:19:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-17 12:19:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-17 12:19:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:19:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:19:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2021-11-17 12:19:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2021-11-17 12:19:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 12:19:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 12:19:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 12:19:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 12:19:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 12:19:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 12:19:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 12:19:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 12:19:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-17 12:19:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-17 12:19:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 12:19:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2021-11-17 12:19:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2021-11-17 12:19:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 12:19:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 12:19:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2021-11-17 12:19:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2021-11-17 12:19:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-17 12:19:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-17 12:19:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-11-17 12:19:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-11-17 12:19:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-17 12:19:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-17 12:19:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2021-11-17 12:19:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2021-11-17 12:19:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 12:19:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 12:19:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2021-11-17 12:19:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2021-11-17 12:19:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2021-11-17 12:19:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2021-11-17 12:19:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 12:19:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 12:19:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2021-11-17 12:19:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2021-11-17 12:19:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 12:19:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 12:19:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2021-11-17 12:19:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2021-11-17 12:19:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2021-11-17 12:19:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2021-11-17 12:19:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 12:19:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 12:19:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 12:19:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2021-11-17 12:19:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2021-11-17 12:19:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 12:19:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 12:19:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2021-11-17 12:19:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2021-11-17 12:19:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 12:19:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 12:19:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2021-11-17 12:19:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2021-11-17 12:19:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 12:19:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 12:19:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-17 12:19:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-17 12:19:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2021-11-17 12:19:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2021-11-17 12:19:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2021-11-17 12:19:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2021-11-17 12:19:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2021-11-17 12:19:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2021-11-17 12:19:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-17 12:19:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-17 12:19:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 12:19:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 12:19:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 12:19:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 12:19:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 12:19:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 12:19:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-17 12:19:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-17 12:19:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:19:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:19:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 12:19:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 12:19:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:19:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:19:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-11-17 12:19:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-11-17 12:19:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 12:19:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 12:19:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 12:19:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2021-11-17 12:19:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2021-11-17 12:19:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:19:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:19:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-17 12:19:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-17 12:19:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-11-17 12:19:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-11-17 12:19:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 12:19:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 12:19:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 12:19:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-17 12:19:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-17 12:19:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-17 12:19:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-17 12:19:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-17 12:19:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-17 12:19:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-17 12:19:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-17 12:19:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 12:19:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 12:19:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2021-11-17 12:19:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2021-11-17 12:19:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2021-11-17 12:19:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2021-11-17 12:19:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 12:19:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 12:19:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 12:19:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 12:19:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 12:19:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 12:19:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2021-11-17 12:19:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2021-11-17 12:19:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:19:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:19:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 12:19:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 12:19:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:19:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:19:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 12:19:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 12:19:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 12:19:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2021-11-17 12:19:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2021-11-17 12:19:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 12:19:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 12:19:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-17 12:19:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-17 12:19:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2021-11-17 12:19:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-17 12:19:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-17 12:19:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2021-11-17 12:19:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2021-11-17 12:19:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2021-11-17 12:19:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2021-11-17 12:19:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2021-11-17 12:19:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2021-11-17 12:19:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2021-11-17 12:19:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2021-11-17 12:19:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2021-11-17 12:19:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2021-11-17 12:19:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-17 12:19:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-17 12:19:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 12:19:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 12:19:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2021-11-17 12:19:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2021-11-17 12:19:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2021-11-17 12:19:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2021-11-17 12:19:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-17 12:19:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-17 12:19:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2021-11-17 12:19:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2021-11-17 12:19:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 12:19:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 12:19:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-17 12:19:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-17 12:19:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 12:19:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 12:19:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-17 12:19:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-17 12:19:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:19:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:19:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-17 12:19:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-17 12:19:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 12:19:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 12:19:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 12:19:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 12:19:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2021-11-17 12:19:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2021-11-17 12:19:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 12:19:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 12:19:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 12:19:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 12:19:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 12:19:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 12:19:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2021-11-17 12:19:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2021-11-17 12:19:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2021-11-17 12:19:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2021-11-17 12:19:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-17 12:19:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-17 12:19:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2021-11-17 12:19:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2021-11-17 12:19:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-11-17 12:19:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-11-17 12:19:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:19:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:19:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:19:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:19:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2021-11-17 12:19:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2021-11-17 12:19:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 12:19:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 12:19:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2021-11-17 12:19:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2021-11-17 12:19:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 12:19:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 12:19:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:19:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:19:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-17 12:19:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-17 12:19:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 12:19:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-17 12:19:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-17 12:19:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2021-11-17 12:19:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2021-11-17 12:19:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2021-11-17 12:19:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2021-11-17 12:19:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2021-11-17 12:19:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2021-11-17 12:19:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-17 12:19:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-17 12:19:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 12:19:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-11-17 12:19:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-11-17 12:19:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 12:19:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 12:19:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 12:19:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-17 12:19:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-17 12:19:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2021-11-17 12:19:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2021-11-17 12:19:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 12:19:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 12:19:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2021-11-17 12:19:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2021-11-17 12:19:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2021-11-17 12:19:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2021-11-17 12:19:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2021-11-17 12:19:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2021-11-17 12:19:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 12:19:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 12:19:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 12:19:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 12:19:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:19:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:19:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 12:19:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 12:19:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2021-11-17 12:19:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2021-11-17 12:19:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 12:19:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 12:19:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 12:19:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 12:19:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 12:19:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 12:19:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:19:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:19:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2021-11-17 12:19:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2021-11-17 12:19:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-17 12:19:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-17 12:19:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2021-11-17 12:19:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2021-11-17 12:19:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-17 12:19:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-17 12:19:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:19:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:19:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:19:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:19:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2021-11-17 12:19:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2021-11-17 12:19:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2021-11-17 12:19:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2021-11-17 12:19:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 12:19:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 12:19:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:19:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:19:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2021-11-17 12:19:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2021-11-17 12:19:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 12:19:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 12:19:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-17 12:19:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-17 12:19:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-17 12:19:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-17 12:19:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 12:19:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 12:19:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-17 12:19:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-17 12:19:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-17 12:19:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2021-11-17 12:19:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2021-11-17 12:19:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 12:19:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 12:19:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 12:19:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:19:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:19:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-17 12:19:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-17 12:19:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2021-11-17 12:19:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2021-11-17 12:19:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 12:19:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 12:19:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-17 12:19:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-17 12:19:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-17 12:19:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-17 12:19:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-11-17 12:19:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-11-17 12:19:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2021-11-17 12:19:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2021-11-17 12:19:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2021-11-17 12:19:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2021-11-17 12:19:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2021-11-17 12:19:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2021-11-17 12:19:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 12:19:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 12:19:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 12:19:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2021-11-17 12:19:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2021-11-17 12:19:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 12:19:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 12:19:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 12:19:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 12:19:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 12:19:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 12:19:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2021-11-17 12:19:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2021-11-17 12:19:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:19:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:19:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2021-11-17 12:19:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2021-11-17 12:19:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 12:19:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 12:19:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 12:19:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 12:19:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2021-11-17 12:19:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2021-11-17 12:19:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 12:19:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 12:19:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-17 12:19:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-17 12:19:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 12:19:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 12:19:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2021-11-17 12:19:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2021-11-17 12:19:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2021-11-17 12:19:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2021-11-17 12:19:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:19:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:19:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2021-11-17 12:19:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2021-11-17 12:19:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 12:19:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 12:19:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:19:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:19:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2021-11-17 12:19:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2021-11-17 12:19:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2021-11-17 12:19:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2021-11-17 12:19:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 12:19:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 12:19:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2021-11-17 12:19:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2021-11-17 12:19:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:19:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:19:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2021-11-17 12:19:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2021-11-17 12:19:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2021-11-17 12:19:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2021-11-17 12:19:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-17 12:19:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-17 12:19:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 12:19:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 12:19:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2021-11-17 12:19:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2021-11-17 12:19:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-17 12:19:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-17 12:19:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2021-11-17 12:19:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2021-11-17 12:19:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2021-11-17 12:19:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2021-11-17 12:19:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-17 12:19:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-17 12:19:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-17 12:19:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-17 12:19:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 12:19:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 12:19:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2021-11-17 12:19:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2021-11-17 12:19:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2021-11-17 12:19:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2021-11-17 12:19:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 12:19:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 12:19:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:19:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:19:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2021-11-17 12:19:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2021-11-17 12:19:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 12:19:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 12:19:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2021-11-17 12:19:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2021-11-17 12:19:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 12:19:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 12:19:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 12:19:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-17 12:19:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-17 12:19:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-17 12:19:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-17 12:19:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 12:19:29,534 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 12:19:29,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 12:19:42,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 12:19:57,421 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 12:19:57,447 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 12:19:57,447 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-17 12:19:57,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:19:57 BoogieIcfgContainer [2021-11-17 12:19:57,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 12:19:57,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 12:19:57,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 12:19:57,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 12:19:57,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:19:18" (1/3) ... [2021-11-17 12:19:57,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6083cc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:19:57, skipping insertion in model container [2021-11-17 12:19:57,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:19:26" (2/3) ... [2021-11-17 12:19:57,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6083cc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:19:57, skipping insertion in model container [2021-11-17 12:19:57,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:19:57" (3/3) ... [2021-11-17 12:19:57,462 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-17 12:19:57,466 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 12:19:57,467 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-17 12:19:57,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 12:19:57,539 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 12:19:57,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-17 12:19:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 4408 states, 3054 states have (on average 1.3071381794368042) internal successors, (3992), 3161 states have internal predecessors, (3992), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2021-11-17 12:19:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-17 12:19:57,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:19:57,626 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:19:57,627 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:19:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:19:57,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1101588570, now seen corresponding path program 1 times [2021-11-17 12:19:57,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:19:57,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227000802] [2021-11-17 12:19:57,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:19:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:19:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:19:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:19:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:19:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:19:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:19:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:19:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:19:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:19:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:19:58,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:19:58,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227000802] [2021-11-17 12:19:58,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227000802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:19:58,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:19:58,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:19:58,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122697896] [2021-11-17 12:19:58,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:19:58,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:19:58,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:19:58,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:19:58,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:19:58,399 INFO L87 Difference]: Start difference. First operand has 4408 states, 3054 states have (on average 1.3071381794368042) internal successors, (3992), 3161 states have internal predecessors, (3992), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:20:03,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:06,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:09,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:11,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:16,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:21,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:24,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:26,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:28,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:30,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:20:51,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:20:51,161 INFO L93 Difference]: Finished difference Result 13014 states and 18875 transitions. [2021-11-17 12:20:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 12:20:51,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2021-11-17 12:20:51,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:20:51,231 INFO L225 Difference]: With dead ends: 13014 [2021-11-17 12:20:51,232 INFO L226 Difference]: Without dead ends: 8612 [2021-11-17 12:20:51,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 12:20:51,285 INFO L933 BasicCegarLoop]: 5526 mSDtfsCounter, 17278 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 11850 mSolverCounterSat, 9176 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17452 SdHoareTripleChecker+Valid, 10524 SdHoareTripleChecker+Invalid, 21036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9176 IncrementalHoareTripleChecker+Valid, 11850 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:20:51,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17452 Valid, 10524 Invalid, 21036 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9176 Valid, 11850 Invalid, 10 Unknown, 0 Unchecked, 51.3s Time] [2021-11-17 12:20:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8612 states. [2021-11-17 12:20:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8612 to 8403. [2021-11-17 12:20:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8403 states, 5844 states have (on average 1.2813141683778233) internal successors, (7488), 6020 states have internal predecessors, (7488), 2048 states have call successors, (2048), 476 states have call predecessors, (2048), 475 states have return successors, (2102), 2026 states have call predecessors, (2102), 2046 states have call successors, (2102) [2021-11-17 12:20:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8403 states to 8403 states and 11638 transitions. [2021-11-17 12:20:51,857 INFO L78 Accepts]: Start accepts. Automaton has 8403 states and 11638 transitions. Word has length 51 [2021-11-17 12:20:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:20:51,858 INFO L470 AbstractCegarLoop]: Abstraction has 8403 states and 11638 transitions. [2021-11-17 12:20:51,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:20:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8403 states and 11638 transitions. [2021-11-17 12:20:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-17 12:20:51,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:20:51,867 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:20:51,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 12:20:51,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:20:51,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:20:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1359046, now seen corresponding path program 1 times [2021-11-17 12:20:51,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:20:51,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970452818] [2021-11-17 12:20:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:20:51,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:20:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:20:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:20:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:20:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:20:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:20:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:20:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:20:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:20:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:20:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:20:52,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:20:52,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970452818] [2021-11-17 12:20:52,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970452818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:20:52,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:20:52,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:20:52,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431721428] [2021-11-17 12:20:52,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:20:52,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:20:52,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:20:52,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:20:52,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:20:52,215 INFO L87 Difference]: Start difference. First operand 8403 states and 11638 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:20:58,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:01,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:03,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:05,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:09,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:21:13,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:15,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:19,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:21,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:23,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:25,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:27,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:29,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:32,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:40,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:43,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:21:56,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:21:56,244 INFO L93 Difference]: Finished difference Result 16759 states and 23414 transitions. [2021-11-17 12:21:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 12:21:56,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2021-11-17 12:21:56,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:21:56,350 INFO L225 Difference]: With dead ends: 16759 [2021-11-17 12:21:56,351 INFO L226 Difference]: Without dead ends: 16757 [2021-11-17 12:21:56,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 12:21:56,366 INFO L933 BasicCegarLoop]: 5334 mSDtfsCounter, 17385 mSDsluCounter, 4713 mSDsCounter, 0 mSdLazyCounter, 11788 mSolverCounterSat, 9265 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17565 SdHoareTripleChecker+Valid, 10047 SdHoareTripleChecker+Invalid, 21069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9265 IncrementalHoareTripleChecker+Valid, 11788 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:21:56,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17565 Valid, 10047 Invalid, 21069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9265 Valid, 11788 Invalid, 16 Unknown, 0 Unchecked, 62.9s Time] [2021-11-17 12:21:56,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16757 states. [2021-11-17 12:21:56,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16757 to 16544. [2021-11-17 12:21:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16544 states, 11525 states have (on average 1.2825162689804772) internal successors, (14781), 11845 states have internal predecessors, (14781), 4050 states have call successors, (4050), 934 states have call predecessors, (4050), 933 states have return successors, (4362), 4002 states have call predecessors, (4362), 4048 states have call successors, (4362) [2021-11-17 12:21:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16544 states to 16544 states and 23193 transitions. [2021-11-17 12:21:57,122 INFO L78 Accepts]: Start accepts. Automaton has 16544 states and 23193 transitions. Word has length 57 [2021-11-17 12:21:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:21:57,123 INFO L470 AbstractCegarLoop]: Abstraction has 16544 states and 23193 transitions. [2021-11-17 12:21:57,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:21:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 23193 transitions. [2021-11-17 12:21:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-17 12:21:57,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:21:57,126 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:21:57,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 12:21:57,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:21:57,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:21:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash 649822148, now seen corresponding path program 1 times [2021-11-17 12:21:57,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:21:57,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396535724] [2021-11-17 12:21:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:21:57,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:21:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:21:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:21:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:21:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 12:21:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:21:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:21:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 12:21:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:21:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 12:21:57,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:21:57,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396535724] [2021-11-17 12:21:57,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396535724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:21:57,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:21:57,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:21:57,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772112387] [2021-11-17 12:21:57,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:21:57,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:21:57,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:21:57,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:21:57,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:21:57,431 INFO L87 Difference]: Start difference. First operand 16544 states and 23193 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:22:04,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:22:06,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:22:11,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:16,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:22:20,805 INFO L93 Difference]: Finished difference Result 28783 states and 40916 transitions. [2021-11-17 12:22:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:22:20,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2021-11-17 12:22:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:22:20,988 INFO L225 Difference]: With dead ends: 28783 [2021-11-17 12:22:20,989 INFO L226 Difference]: Without dead ends: 28781 [2021-11-17 12:22:21,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:22:21,026 INFO L933 BasicCegarLoop]: 6437 mSDtfsCounter, 7820 mSDsluCounter, 16151 mSDsCounter, 0 mSdLazyCounter, 6293 mSolverCounterSat, 2726 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8629 SdHoareTripleChecker+Valid, 22588 SdHoareTripleChecker+Invalid, 9023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2726 IncrementalHoareTripleChecker+Valid, 6293 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:22:21,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8629 Valid, 22588 Invalid, 9023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2726 Valid, 6293 Invalid, 4 Unknown, 0 Unchecked, 22.4s Time] [2021-11-17 12:22:21,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28781 states. [2021-11-17 12:22:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28781 to 26692. [2021-11-17 12:22:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26692 states, 18316 states have (on average 1.2606464293513868) internal successors, (23090), 18831 states have internal predecessors, (23090), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-11-17 12:22:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 37241 transitions. [2021-11-17 12:22:22,349 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 37241 transitions. Word has length 59 [2021-11-17 12:22:22,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:22:22,350 INFO L470 AbstractCegarLoop]: Abstraction has 26692 states and 37241 transitions. [2021-11-17 12:22:22,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:22:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 37241 transitions. [2021-11-17 12:22:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-17 12:22:22,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:22:22,354 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:22:22,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 12:22:22,354 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:22:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:22:22,355 INFO L85 PathProgramCache]: Analyzing trace with hash 654427044, now seen corresponding path program 1 times [2021-11-17 12:22:22,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:22:22,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724359725] [2021-11-17 12:22:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:22:22,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:22:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:22:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:22:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:22:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:22:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:22:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:22:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:22:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:22:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:22:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:22:22,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:22:22,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724359725] [2021-11-17 12:22:22,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724359725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:22:22,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:22:22,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:22:22,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146963306] [2021-11-17 12:22:22,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:22:22,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:22:22,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:22:22,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:22:22,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:22:22,590 INFO L87 Difference]: Start difference. First operand 26692 states and 37241 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:22:27,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:29,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:31,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:33,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:37,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:47,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:22:47,198 INFO L93 Difference]: Finished difference Result 26692 states and 37241 transitions. [2021-11-17 12:22:47,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:22:47,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-11-17 12:22:47,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:22:47,363 INFO L225 Difference]: With dead ends: 26692 [2021-11-17 12:22:47,364 INFO L226 Difference]: Without dead ends: 26690 [2021-11-17 12:22:47,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:22:47,379 INFO L933 BasicCegarLoop]: 5082 mSDtfsCounter, 10714 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5443 mSolverCounterSat, 5482 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10889 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 10930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5482 IncrementalHoareTripleChecker+Valid, 5443 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:22:47,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10889 Valid, 7794 Invalid, 10930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5482 Valid, 5443 Invalid, 5 Unknown, 0 Unchecked, 23.8s Time] [2021-11-17 12:22:47,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26690 states. [2021-11-17 12:22:48,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26690 to 26690. [2021-11-17 12:22:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26690 states, 18315 states have (on average 1.2606060606060605) internal successors, (23088), 18829 states have internal predecessors, (23088), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-11-17 12:22:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26690 states to 26690 states and 37239 transitions. [2021-11-17 12:22:48,527 INFO L78 Accepts]: Start accepts. Automaton has 26690 states and 37239 transitions. Word has length 63 [2021-11-17 12:22:48,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:22:48,529 INFO L470 AbstractCegarLoop]: Abstraction has 26690 states and 37239 transitions. [2021-11-17 12:22:48,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:22:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 26690 states and 37239 transitions. [2021-11-17 12:22:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-17 12:22:48,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:22:48,531 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:22:48,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 12:22:48,532 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:22:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:22:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1723350941, now seen corresponding path program 1 times [2021-11-17 12:22:48,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:22:48,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104420608] [2021-11-17 12:22:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:22:48,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:22:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:22:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:22:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:22:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:22:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:22:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:22:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:22:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:22:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:22:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:22:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:22:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:22:48,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:22:48,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104420608] [2021-11-17 12:22:48,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104420608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:22:48,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:22:48,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:22:48,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290670230] [2021-11-17 12:22:48,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:22:48,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:22:48,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:22:48,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:22:48,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:22:48,799 INFO L87 Difference]: Start difference. First operand 26690 states and 37239 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2021-11-17 12:22:53,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:56,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:22:58,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:00,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:06,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:14,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:23:14,255 INFO L93 Difference]: Finished difference Result 26690 states and 37239 transitions. [2021-11-17 12:23:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:23:14,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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 69 [2021-11-17 12:23:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:23:14,395 INFO L225 Difference]: With dead ends: 26690 [2021-11-17 12:23:14,396 INFO L226 Difference]: Without dead ends: 26688 [2021-11-17 12:23:14,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:23:14,419 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 10709 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10910 SdHoareTripleChecker+Valid, 7793 SdHoareTripleChecker+Invalid, 10899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-11-17 12:23:14,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10910 Valid, 7793 Invalid, 10899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5440 Invalid, 5 Unknown, 0 Unchecked, 24.6s Time] [2021-11-17 12:23:14,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26688 states. [2021-11-17 12:23:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26688 to 26688. [2021-11-17 12:23:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26688 states, 18314 states have (on average 1.2605656874522224) internal successors, (23086), 18827 states have internal predecessors, (23086), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-11-17 12:23:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26688 states to 26688 states and 37237 transitions. [2021-11-17 12:23:15,539 INFO L78 Accepts]: Start accepts. Automaton has 26688 states and 37237 transitions. Word has length 69 [2021-11-17 12:23:15,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:23:15,540 INFO L470 AbstractCegarLoop]: Abstraction has 26688 states and 37237 transitions. [2021-11-17 12:23:15,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2021-11-17 12:23:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 26688 states and 37237 transitions. [2021-11-17 12:23:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-17 12:23:15,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:23:15,542 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:23:15,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 12:23:15,543 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:23:15,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:23:15,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1803048832, now seen corresponding path program 1 times [2021-11-17 12:23:15,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:23:15,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596795320] [2021-11-17 12:23:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:23:15,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:23:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:23:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:23:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:23:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 12:23:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:23:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:23:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 12:23:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 12:23:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 12:23:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-17 12:23:15,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:23:15,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596795320] [2021-11-17 12:23:15,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596795320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:23:15,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:23:15,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:23:15,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927232645] [2021-11-17 12:23:15,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:23:15,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:23:15,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:23:15,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:23:15,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:23:15,822 INFO L87 Difference]: Start difference. First operand 26688 states and 37237 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:23:21,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:23:25,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:23:29,262 INFO L93 Difference]: Finished difference Result 28362 states and 40432 transitions. [2021-11-17 12:23:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:23:29,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2021-11-17 12:23:29,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:23:29,382 INFO L225 Difference]: With dead ends: 28362 [2021-11-17 12:23:29,382 INFO L226 Difference]: Without dead ends: 28360 [2021-11-17 12:23:29,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:23:29,404 INFO L933 BasicCegarLoop]: 5696 mSDtfsCounter, 6666 mSDsluCounter, 12029 mSDsCounter, 0 mSdLazyCounter, 3919 mSolverCounterSat, 2063 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7264 SdHoareTripleChecker+Valid, 17725 SdHoareTripleChecker+Invalid, 5984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2063 IncrementalHoareTripleChecker+Valid, 3919 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:23:29,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7264 Valid, 17725 Invalid, 5984 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2063 Valid, 3919 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-17 12:23:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28360 states. [2021-11-17 12:23:30,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28360 to 26686. [2021-11-17 12:23:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26686 states, 18313 states have (on average 1.2601430677660679) internal successors, (23077), 18825 states have internal predecessors, (23077), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-11-17 12:23:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26686 states to 26686 states and 37228 transitions. [2021-11-17 12:23:30,498 INFO L78 Accepts]: Start accepts. Automaton has 26686 states and 37228 transitions. Word has length 72 [2021-11-17 12:23:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:23:30,498 INFO L470 AbstractCegarLoop]: Abstraction has 26686 states and 37228 transitions. [2021-11-17 12:23:30,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:23:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 26686 states and 37228 transitions. [2021-11-17 12:23:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-17 12:23:30,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:23:30,500 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:23:30,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 12:23:30,500 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:23:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:23:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash -248227078, now seen corresponding path program 1 times [2021-11-17 12:23:30,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:23:30,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897101894] [2021-11-17 12:23:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:23:30,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:23:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:23:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:23:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:23:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:23:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:23:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:23:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:23:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:23:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:23:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:23:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:23:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:23:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:23:30,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:23:30,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897101894] [2021-11-17 12:23:30,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897101894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:23:30,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:23:30,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:23:30,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500320749] [2021-11-17 12:23:30,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:23:30,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:23:30,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:23:30,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:23:30,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:23:30,716 INFO L87 Difference]: Start difference. First operand 26686 states and 37228 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-17 12:23:36,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:38,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:40,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:42,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:47,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:23:51,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:53,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:57,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:23:59,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:01,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:03,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:05,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:07,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:12,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:24:14,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:24:18,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:24:26,385 INFO L93 Difference]: Finished difference Result 27093 states and 37697 transitions. [2021-11-17 12:24:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 12:24:26,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 75 [2021-11-17 12:24:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:24:26,476 INFO L225 Difference]: With dead ends: 27093 [2021-11-17 12:24:26,476 INFO L226 Difference]: Without dead ends: 27091 [2021-11-17 12:24:26,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 12:24:26,495 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 14323 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 9112 mSolverCounterSat, 7629 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14521 SdHoareTripleChecker+Valid, 10078 SdHoareTripleChecker+Invalid, 16757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7629 IncrementalHoareTripleChecker+Valid, 9112 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:24:26,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14521 Valid, 10078 Invalid, 16757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7629 Valid, 9112 Invalid, 16 Unknown, 0 Unchecked, 54.5s Time] [2021-11-17 12:24:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27091 states. [2021-11-17 12:24:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27091 to 26917. [2021-11-17 12:24:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26917 states, 18517 states have (on average 1.2600313225684505) internal successors, (23332), 19029 states have internal predecessors, (23332), 6632 states have call successors, (6632), 1697 states have call predecessors, (6632), 1736 states have return successors, (7555), 6584 states have call predecessors, (7555), 6630 states have call successors, (7555) [2021-11-17 12:24:27,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26917 states to 26917 states and 37519 transitions. [2021-11-17 12:24:27,514 INFO L78 Accepts]: Start accepts. Automaton has 26917 states and 37519 transitions. Word has length 75 [2021-11-17 12:24:27,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:24:27,515 INFO L470 AbstractCegarLoop]: Abstraction has 26917 states and 37519 transitions. [2021-11-17 12:24:27,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-17 12:24:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26917 states and 37519 transitions. [2021-11-17 12:24:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-17 12:24:27,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:24:27,516 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:24:27,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 12:24:27,517 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:24:27,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:24:27,517 INFO L85 PathProgramCache]: Analyzing trace with hash -285808940, now seen corresponding path program 1 times [2021-11-17 12:24:27,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:24:27,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230625942] [2021-11-17 12:24:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:24:27,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:24:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:24:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:24:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:24:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:24:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:24:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:24:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:24:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:24:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 12:24:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:24:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:24:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:24:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 12:24:27,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:24:27,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230625942] [2021-11-17 12:24:27,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230625942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:24:27,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:24:27,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 12:24:27,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317806919] [2021-11-17 12:24:27,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:24:27,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 12:24:27,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:24:27,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 12:24:27,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:24:27,899 INFO L87 Difference]: Start difference. First operand 26917 states and 37519 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-17 12:24:34,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:36,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:38,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:41,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:44,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:46,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:48,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:50,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:52,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:54,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:56,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:24:58,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:03,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:05,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:07,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:09,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:12,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:14,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:16,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:19,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:21,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:23,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:25,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:27,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:30,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:32,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:34,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:36,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:38,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:40,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:42,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:46,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:25:51,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:53,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:56,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:25:59,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:01,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:10,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:12,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:26:27,041 INFO L93 Difference]: Finished difference Result 37015 states and 51040 transitions. [2021-11-17 12:26:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:26:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 77 [2021-11-17 12:26:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:26:27,201 INFO L225 Difference]: With dead ends: 37015 [2021-11-17 12:26:27,201 INFO L226 Difference]: Without dead ends: 36500 [2021-11-17 12:26:27,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-17 12:26:27,226 INFO L933 BasicCegarLoop]: 5185 mSDtfsCounter, 14093 mSDsluCounter, 7629 mSDsCounter, 0 mSdLazyCounter, 18444 mSolverCounterSat, 7684 mSolverCounterUnsat, 38 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14204 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 26166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7684 IncrementalHoareTripleChecker+Valid, 18444 IncrementalHoareTripleChecker+Invalid, 38 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:26:27,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14204 Valid, 12814 Invalid, 26166 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7684 Valid, 18444 Invalid, 38 Unknown, 0 Unchecked, 117.2s Time] [2021-11-17 12:26:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36500 states. [2021-11-17 12:26:28,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36500 to 36105. [2021-11-17 12:26:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 24701 states have (on average 1.2510424679162786) internal successors, (30902), 25375 states have internal predecessors, (30902), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2498 states have return successors, (10205), 8806 states have call predecessors, (10205), 8872 states have call successors, (10205) [2021-11-17 12:26:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49981 transitions. [2021-11-17 12:26:28,745 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49981 transitions. Word has length 77 [2021-11-17 12:26:28,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:26:28,745 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49981 transitions. [2021-11-17 12:26:28,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-17 12:26:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49981 transitions. [2021-11-17 12:26:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-17 12:26:28,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:26:28,747 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:26:28,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 12:26:28,748 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:26:28,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:26:28,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1741440128, now seen corresponding path program 1 times [2021-11-17 12:26:28,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:26:28,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090338233] [2021-11-17 12:26:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:26:28,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:26:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:26:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:26:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:26:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:26:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:26:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:26:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:26:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:26:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:26:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:26:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:26:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:26:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:26:29,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:26:29,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090338233] [2021-11-17 12:26:29,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090338233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:26:29,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:26:29,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:26:29,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77375477] [2021-11-17 12:26:29,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:26:29,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:26:29,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:26:29,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:26:29,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:26:29,018 INFO L87 Difference]: Start difference. First operand 36105 states and 49981 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-17 12:26:34,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:37,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:39,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:41,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:46,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:26:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:26:56,845 INFO L93 Difference]: Finished difference Result 36105 states and 49981 transitions. [2021-11-17 12:26:56,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:26:56,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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 81 [2021-11-17 12:26:56,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:26:57,020 INFO L225 Difference]: With dead ends: 36105 [2021-11-17 12:26:57,021 INFO L226 Difference]: Without dead ends: 36103 [2021-11-17 12:26:57,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:26:57,051 INFO L933 BasicCegarLoop]: 5077 mSDtfsCounter, 10697 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10896 SdHoareTripleChecker+Valid, 7789 SdHoareTripleChecker+Invalid, 10895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:26:57,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10896 Valid, 7789 Invalid, 10895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5437 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2021-11-17 12:26:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-11-17 12:26:58,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-11-17 12:26:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36103 states, 24700 states have (on average 1.2510121457489878) internal successors, (30900), 25373 states have internal predecessors, (30900), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2498 states have return successors, (10205), 8806 states have call predecessors, (10205), 8872 states have call successors, (10205) [2021-11-17 12:26:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49979 transitions. [2021-11-17 12:26:58,550 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49979 transitions. Word has length 81 [2021-11-17 12:26:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:26:58,551 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49979 transitions. [2021-11-17 12:26:58,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-17 12:26:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49979 transitions. [2021-11-17 12:26:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-17 12:26:58,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:26:58,552 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:26:58,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 12:26:58,553 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:26:58,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:26:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1253502247, now seen corresponding path program 1 times [2021-11-17 12:26:58,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:26:58,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109766487] [2021-11-17 12:26:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:26:58,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:26:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:26:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:26:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:26:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:26:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:26:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:26:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:26:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:26:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 12:26:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:26:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:26:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:26:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:26:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 12:26:58,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:26:58,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109766487] [2021-11-17 12:26:58,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109766487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:26:58,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:26:58,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 12:26:58,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933131304] [2021-11-17 12:26:58,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:26:58,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 12:26:58,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:26:58,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 12:26:58,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 12:26:58,821 INFO L87 Difference]: Start difference. First operand 36103 states and 49979 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:27:01,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:06,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:09,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:11,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:13,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:18,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:27:19,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:23,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:27:32,790 INFO L93 Difference]: Finished difference Result 36135 states and 50023 transitions. [2021-11-17 12:27:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 12:27:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 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 82 [2021-11-17 12:27:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:27:32,941 INFO L225 Difference]: With dead ends: 36135 [2021-11-17 12:27:32,941 INFO L226 Difference]: Without dead ends: 36133 [2021-11-17 12:27:32,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 12:27:32,975 INFO L933 BasicCegarLoop]: 5075 mSDtfsCounter, 14022 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 5658 mSolverCounterSat, 7342 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14223 SdHoareTripleChecker+Valid, 8268 SdHoareTripleChecker+Invalid, 13005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7342 IncrementalHoareTripleChecker+Valid, 5658 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:27:32,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14223 Valid, 8268 Invalid, 13005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7342 Valid, 5658 Invalid, 5 Unknown, 0 Unchecked, 32.4s Time] [2021-11-17 12:27:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36133 states. [2021-11-17 12:27:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36133 to 36109. [2021-11-17 12:27:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36109 states, 24703 states have (on average 1.2504958911873052) internal successors, (30891), 25379 states have internal predecessors, (30891), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-11-17 12:27:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36109 states to 36109 states and 49978 transitions. [2021-11-17 12:27:34,413 INFO L78 Accepts]: Start accepts. Automaton has 36109 states and 49978 transitions. Word has length 82 [2021-11-17 12:27:34,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:27:34,413 INFO L470 AbstractCegarLoop]: Abstraction has 36109 states and 49978 transitions. [2021-11-17 12:27:34,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:27:34,414 INFO L276 IsEmpty]: Start isEmpty. Operand 36109 states and 49978 transitions. [2021-11-17 12:27:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-17 12:27:34,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:27:34,415 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:27:34,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 12:27:34,415 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:27:34,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:27:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1195476582, now seen corresponding path program 1 times [2021-11-17 12:27:34,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:27:34,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807334381] [2021-11-17 12:27:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:27:34,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:27:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:27:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:27:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:27:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:27:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:27:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:27:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:27:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:27:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:27:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:27:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:27:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:27:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:27:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:27:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:27:34,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:27:34,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807334381] [2021-11-17 12:27:34,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807334381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:27:34,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:27:34,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:27:34,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751613216] [2021-11-17 12:27:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:27:34,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:27:34,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:27:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:27:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:27:34,677 INFO L87 Difference]: Start difference. First operand 36109 states and 49978 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-17 12:27:39,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:42,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:44,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:27:46,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:00,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:28:00,397 INFO L93 Difference]: Finished difference Result 36109 states and 49978 transitions. [2021-11-17 12:28:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:28:00,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 87 [2021-11-17 12:28:00,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:28:00,529 INFO L225 Difference]: With dead ends: 36109 [2021-11-17 12:28:00,530 INFO L226 Difference]: Without dead ends: 36107 [2021-11-17 12:28:00,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:28:00,555 INFO L933 BasicCegarLoop]: 5073 mSDtfsCounter, 10685 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5433 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10883 SdHoareTripleChecker+Valid, 7785 SdHoareTripleChecker+Invalid, 10891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5433 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:28:00,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10883 Valid, 7785 Invalid, 10891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5433 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2021-11-17 12:28:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36107 states. [2021-11-17 12:28:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36107 to 36107. [2021-11-17 12:28:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36107 states, 24702 states have (on average 1.2504655493482308) internal successors, (30889), 25377 states have internal predecessors, (30889), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-11-17 12:28:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36107 states to 36107 states and 49976 transitions. [2021-11-17 12:28:01,918 INFO L78 Accepts]: Start accepts. Automaton has 36107 states and 49976 transitions. Word has length 87 [2021-11-17 12:28:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:28:01,918 INFO L470 AbstractCegarLoop]: Abstraction has 36107 states and 49976 transitions. [2021-11-17 12:28:01,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-17 12:28:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 36107 states and 49976 transitions. [2021-11-17 12:28:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-17 12:28:01,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:28:01,921 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:28:01,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 12:28:01,921 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:28:01,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:28:01,921 INFO L85 PathProgramCache]: Analyzing trace with hash 465891583, now seen corresponding path program 1 times [2021-11-17 12:28:01,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:28:01,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400578882] [2021-11-17 12:28:01,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:28:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:28:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:28:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:28:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:28:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:28:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:28:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:28:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:28:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:28:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:28:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:28:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:28:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:28:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:28:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 12:28:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:28:02,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:28:02,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400578882] [2021-11-17 12:28:02,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400578882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:28:02,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:28:02,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:28:02,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706512360] [2021-11-17 12:28:02,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:28:02,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:28:02,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:28:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:28:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:28:02,181 INFO L87 Difference]: Start difference. First operand 36107 states and 49976 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-17 12:28:07,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:10,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:12,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:14,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:20,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:28:31,059 INFO L93 Difference]: Finished difference Result 36107 states and 49976 transitions. [2021-11-17 12:28:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:28:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 93 [2021-11-17 12:28:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:28:31,175 INFO L225 Difference]: With dead ends: 36107 [2021-11-17 12:28:31,175 INFO L226 Difference]: Without dead ends: 36105 [2021-11-17 12:28:31,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:28:31,192 INFO L933 BasicCegarLoop]: 5071 mSDtfsCounter, 10683 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5427 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10880 SdHoareTripleChecker+Valid, 7783 SdHoareTripleChecker+Invalid, 10885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5427 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:28:31,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10880 Valid, 7783 Invalid, 10885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5427 Invalid, 4 Unknown, 0 Unchecked, 27.3s Time] [2021-11-17 12:28:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36105 states. [2021-11-17 12:28:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36105 to 36105. [2021-11-17 12:28:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 24701 states have (on average 1.250435205052427) internal successors, (30887), 25375 states have internal predecessors, (30887), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-11-17 12:28:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49974 transitions. [2021-11-17 12:28:32,602 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49974 transitions. Word has length 93 [2021-11-17 12:28:32,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:28:32,603 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49974 transitions. [2021-11-17 12:28:32,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-17 12:28:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49974 transitions. [2021-11-17 12:28:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-17 12:28:32,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:28:32,604 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 12:28:32,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 12:28:32,604 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:28:32,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:28:32,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1045443554, now seen corresponding path program 1 times [2021-11-17 12:28:32,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:28:32,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072593478] [2021-11-17 12:28:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:28:32,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:28:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:28:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:28:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:28:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:28:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:28:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:28:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:28:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:28:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:28:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:28:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:28:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:28:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:28:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 12:28:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:28:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:28:33,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:28:33,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072593478] [2021-11-17 12:28:33,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072593478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:28:33,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:28:33,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:28:33,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307615109] [2021-11-17 12:28:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:28:33,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:28:33,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:28:33,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:28:33,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:28:33,051 INFO L87 Difference]: Start difference. First operand 36105 states and 49974 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-17 12:28:38,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:41,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:43,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:45,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:50,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:28:54,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:03,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:29:03,686 INFO L93 Difference]: Finished difference Result 36105 states and 49974 transitions. [2021-11-17 12:29:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:29:03,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 [2021-11-17 12:29:03,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:29:03,832 INFO L225 Difference]: With dead ends: 36105 [2021-11-17 12:29:03,832 INFO L226 Difference]: Without dead ends: 36103 [2021-11-17 12:29:03,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:29:03,853 INFO L933 BasicCegarLoop]: 5069 mSDtfsCounter, 10671 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5428 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10868 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 10887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5428 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:29:03,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10868 Valid, 7781 Invalid, 10887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5428 Invalid, 5 Unknown, 0 Unchecked, 28.8s Time] [2021-11-17 12:29:03,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-11-17 12:29:05,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-11-17 12:29:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36103 states, 24700 states have (on average 1.2504048582995952) internal successors, (30885), 25373 states have internal predecessors, (30885), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-11-17 12:29:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49972 transitions. [2021-11-17 12:29:05,454 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49972 transitions. Word has length 95 [2021-11-17 12:29:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:29:05,455 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49972 transitions. [2021-11-17 12:29:05,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-17 12:29:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49972 transitions. [2021-11-17 12:29:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-17 12:29:05,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:29:05,457 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:29:05,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 12:29:05,458 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:29:05,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:29:05,458 INFO L85 PathProgramCache]: Analyzing trace with hash 808096048, now seen corresponding path program 1 times [2021-11-17 12:29:05,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:29:05,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697767318] [2021-11-17 12:29:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:29:05,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:29:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:29:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:29:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:29:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:29:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:29:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:29:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:29:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 12:29:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 12:29:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:29:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 12:29:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:29:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 12:29:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-17 12:29:05,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:29:05,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697767318] [2021-11-17 12:29:05,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697767318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:29:05,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:29:05,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:29:05,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587620606] [2021-11-17 12:29:05,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:29:05,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:29:05,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:29:05,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:29:05,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:29:05,781 INFO L87 Difference]: Start difference. First operand 36103 states and 49972 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:29:10,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:13,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:15,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:17,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:29:33,934 INFO L93 Difference]: Finished difference Result 67693 states and 94201 transitions. [2021-11-17 12:29:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:29:33,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2021-11-17 12:29:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:29:34,084 INFO L225 Difference]: With dead ends: 67693 [2021-11-17 12:29:34,084 INFO L226 Difference]: Without dead ends: 38313 [2021-11-17 12:29:34,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:29:34,212 INFO L933 BasicCegarLoop]: 4900 mSDtfsCounter, 12652 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 4674 mSolverCounterSat, 7676 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12872 SdHoareTripleChecker+Valid, 6322 SdHoareTripleChecker+Invalid, 12354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7676 IncrementalHoareTripleChecker+Valid, 4674 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:29:34,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12872 Valid, 6322 Invalid, 12354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7676 Valid, 4674 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2021-11-17 12:29:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38313 states. [2021-11-17 12:29:35,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38313 to 36077. [2021-11-17 12:29:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36077 states, 24675 states have (on average 1.2496859169199594) internal successors, (30836), 25347 states have internal predecessors, (30836), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-11-17 12:29:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36077 states to 36077 states and 49923 transitions. [2021-11-17 12:29:35,889 INFO L78 Accepts]: Start accepts. Automaton has 36077 states and 49923 transitions. Word has length 119 [2021-11-17 12:29:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:29:35,890 INFO L470 AbstractCegarLoop]: Abstraction has 36077 states and 49923 transitions. [2021-11-17 12:29:35,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:29:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 36077 states and 49923 transitions. [2021-11-17 12:29:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 12:29:35,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:29:35,892 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-17 12:29:35,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 12:29:35,892 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:29:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:29:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash 129538239, now seen corresponding path program 1 times [2021-11-17 12:29:35,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:29:35,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590706986] [2021-11-17 12:29:35,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:29:35,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:29:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:29:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:29:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:29:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 12:29:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:29:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:29:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:29:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:29:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:29:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:29:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 12:29:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-11-17 12:29:36,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:29:36,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590706986] [2021-11-17 12:29:36,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590706986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:29:36,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:29:36,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:29:36,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564766909] [2021-11-17 12:29:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:29:36,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:29:36,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:29:36,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:29:36,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:29:36,228 INFO L87 Difference]: Start difference. First operand 36077 states and 49923 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:29:37,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:45,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:50,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:29:56,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:29:56,221 INFO L93 Difference]: Finished difference Result 43599 states and 60289 transitions. [2021-11-17 12:29:56,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:29:56,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2021-11-17 12:29:56,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:29:56,377 INFO L225 Difference]: With dead ends: 43599 [2021-11-17 12:29:56,377 INFO L226 Difference]: Without dead ends: 43597 [2021-11-17 12:29:56,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:29:56,403 INFO L933 BasicCegarLoop]: 6076 mSDtfsCounter, 6542 mSDsluCounter, 12598 mSDsCounter, 0 mSdLazyCounter, 5017 mSolverCounterSat, 2014 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7172 SdHoareTripleChecker+Valid, 18674 SdHoareTripleChecker+Invalid, 7033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2014 IncrementalHoareTripleChecker+Valid, 5017 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:29:56,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7172 Valid, 18674 Invalid, 7033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2014 Valid, 5017 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2021-11-17 12:29:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43597 states. [2021-11-17 12:29:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43597 to 41213. [2021-11-17 12:29:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41213 states, 28231 states have (on average 1.2428890227055365) internal successors, (35088), 28951 states have internal predecessors, (35088), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-11-17 12:29:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41213 states to 41213 states and 55903 transitions. [2021-11-17 12:29:58,432 INFO L78 Accepts]: Start accepts. Automaton has 41213 states and 55903 transitions. Word has length 132 [2021-11-17 12:29:58,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:29:58,433 INFO L470 AbstractCegarLoop]: Abstraction has 41213 states and 55903 transitions. [2021-11-17 12:29:58,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:29:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41213 states and 55903 transitions. [2021-11-17 12:29:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-17 12:29:58,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:29:58,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:29:58,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 12:29:58,435 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:29:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:29:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1115885259, now seen corresponding path program 1 times [2021-11-17 12:29:58,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:29:58,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298395848] [2021-11-17 12:29:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:29:58,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:29:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:29:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:29:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:29:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:29:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:29:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:29:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:29:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:29:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:29:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:29:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:29:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:29:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:29:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 12:29:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:29:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:29:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:29:58,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:29:58,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298395848] [2021-11-17 12:29:58,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298395848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:29:58,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:29:58,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:29:58,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090322380] [2021-11-17 12:29:58,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:29:58,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:29:58,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:29:58,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:29:58,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:29:58,665 INFO L87 Difference]: Start difference. First operand 41213 states and 55903 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-17 12:30:04,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:07,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:09,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:11,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:27,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:30:27,965 INFO L93 Difference]: Finished difference Result 41213 states and 55903 transitions. [2021-11-17 12:30:27,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:30:27,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 [2021-11-17 12:30:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:30:28,131 INFO L225 Difference]: With dead ends: 41213 [2021-11-17 12:30:28,132 INFO L226 Difference]: Without dead ends: 41211 [2021-11-17 12:30:28,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:30:28,157 INFO L933 BasicCegarLoop]: 5063 mSDtfsCounter, 10652 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5421 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10848 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 10879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5421 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:30:28,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10848 Valid, 7775 Invalid, 10879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5421 Invalid, 4 Unknown, 0 Unchecked, 27.3s Time] [2021-11-17 12:30:28,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41211 states. [2021-11-17 12:30:29,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41211 to 41211. [2021-11-17 12:30:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41211 states, 28230 states have (on average 1.242862203329791) internal successors, (35086), 28949 states have internal predecessors, (35086), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-11-17 12:30:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41211 states to 41211 states and 55901 transitions. [2021-11-17 12:30:30,110 INFO L78 Accepts]: Start accepts. Automaton has 41211 states and 55901 transitions. Word has length 101 [2021-11-17 12:30:30,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:30:30,110 INFO L470 AbstractCegarLoop]: Abstraction has 41211 states and 55901 transitions. [2021-11-17 12:30:30,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-17 12:30:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 41211 states and 55901 transitions. [2021-11-17 12:30:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-17 12:30:30,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:30:30,113 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:30:30,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 12:30:30,114 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:30:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:30:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1159162538, now seen corresponding path program 1 times [2021-11-17 12:30:30,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:30:30,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059877767] [2021-11-17 12:30:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:30:30,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:30:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:30:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:30:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:30:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:30:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:30:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:30:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:30:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:30:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 12:30:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:30:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:30:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:30:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 12:30:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:30:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:30:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:30:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:30:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 12:30:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:30:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 12:30:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:30:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:30:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-17 12:30:30,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:30:30,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059877767] [2021-11-17 12:30:30,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059877767] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:30:30,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987275603] [2021-11-17 12:30:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:30:30,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:30:30,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:30:30,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:30:30,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 12:30:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:31,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 12:30:31,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:30:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-17 12:30:32,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:30:32,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987275603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:30:32,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:30:32,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-17 12:30:32,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954080411] [2021-11-17 12:30:32,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:30:32,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 12:30:32,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:30:32,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 12:30:32,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:30:32,137 INFO L87 Difference]: Start difference. First operand 41211 states and 55901 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:30:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:30:34,241 INFO L93 Difference]: Finished difference Result 75649 states and 101828 transitions. [2021-11-17 12:30:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 12:30:34,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2021-11-17 12:30:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:30:34,410 INFO L225 Difference]: With dead ends: 75649 [2021-11-17 12:30:34,411 INFO L226 Difference]: Without dead ends: 41185 [2021-11-17 12:30:34,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:30:34,531 INFO L933 BasicCegarLoop]: 5901 mSDtfsCounter, 5881 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 5901 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:30:34,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 5901 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 12:30:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41185 states. [2021-11-17 12:30:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41185 to 41185. [2021-11-17 12:30:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41185 states, 28205 states have (on average 1.2422265555752525) internal successors, (35037), 28923 states have internal predecessors, (35037), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-11-17 12:30:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41185 states to 41185 states and 55852 transitions. [2021-11-17 12:30:36,609 INFO L78 Accepts]: Start accepts. Automaton has 41185 states and 55852 transitions. Word has length 128 [2021-11-17 12:30:36,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:30:36,610 INFO L470 AbstractCegarLoop]: Abstraction has 41185 states and 55852 transitions. [2021-11-17 12:30:36,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:30:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 41185 states and 55852 transitions. [2021-11-17 12:30:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-17 12:30:36,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:30:36,613 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:30:36,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 12:30:36,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-17 12:30:36,828 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:30:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:30:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1666262405, now seen corresponding path program 1 times [2021-11-17 12:30:36,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:30:36,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413079381] [2021-11-17 12:30:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:30:36,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:30:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:30:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:30:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:30:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:30:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:30:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:30:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:30:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:30:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:30:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:30:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:30:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:30:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:30:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 12:30:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:30:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 12:30:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:30:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:30:37,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:30:37,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413079381] [2021-11-17 12:30:37,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413079381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:30:37,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:30:37,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:30:37,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325926561] [2021-11-17 12:30:37,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:30:37,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:30:37,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:30:37,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:30:37,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:30:37,111 INFO L87 Difference]: Start difference. First operand 41185 states and 55852 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-17 12:30:42,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:46,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:48,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:50,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:53,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:30:56,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:30:58,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:31:09,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:31:09,891 INFO L93 Difference]: Finished difference Result 41185 states and 55852 transitions. [2021-11-17 12:31:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:31:09,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 [2021-11-17 12:31:09,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:31:10,125 INFO L225 Difference]: With dead ends: 41185 [2021-11-17 12:31:10,125 INFO L226 Difference]: Without dead ends: 41183 [2021-11-17 12:31:10,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:31:10,141 INFO L933 BasicCegarLoop]: 5057 mSDtfsCounter, 10631 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5411 mSolverCounterSat, 5454 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10826 SdHoareTripleChecker+Valid, 7769 SdHoareTripleChecker+Invalid, 10871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5411 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:31:10,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10826 Valid, 7769 Invalid, 10871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5411 Invalid, 6 Unknown, 0 Unchecked, 30.9s Time] [2021-11-17 12:31:10,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41183 states. [2021-11-17 12:31:11,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41183 to 41183. [2021-11-17 12:31:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41183 states, 28204 states have (on average 1.2421996879875195) internal successors, (35035), 28921 states have internal predecessors, (35035), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-11-17 12:31:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41183 states to 41183 states and 55850 transitions. [2021-11-17 12:31:12,004 INFO L78 Accepts]: Start accepts. Automaton has 41183 states and 55850 transitions. Word has length 107 [2021-11-17 12:31:12,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:31:12,004 INFO L470 AbstractCegarLoop]: Abstraction has 41183 states and 55850 transitions. [2021-11-17 12:31:12,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-17 12:31:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 41183 states and 55850 transitions. [2021-11-17 12:31:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 12:31:12,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:31:12,007 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-17 12:31:12,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 12:31:12,007 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:31:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:31:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1375143353, now seen corresponding path program 1 times [2021-11-17 12:31:12,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:31:12,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775149175] [2021-11-17 12:31:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:31:12,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:31:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:31:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:31:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:31:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 12:31:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:31:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:31:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 12:31:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 12:31:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 12:31:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 12:31:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:31:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 12:31:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 12:31:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:31:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-17 12:31:12,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:31:12,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775149175] [2021-11-17 12:31:12,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775149175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:31:12,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:31:12,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 12:31:12,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272350406] [2021-11-17 12:31:12,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:31:12,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 12:31:12,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:31:12,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 12:31:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:31:12,532 INFO L87 Difference]: Start difference. First operand 41183 states and 55850 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-17 12:31:24,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:26,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:29,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:31,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:33,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:35,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:31:38,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:31:40,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:31:42,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:31:44,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:32:05,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:32:05,510 INFO L93 Difference]: Finished difference Result 91277 states and 124300 transitions. [2021-11-17 12:32:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:32:05,510 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 106 [2021-11-17 12:32:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:32:05,769 INFO L225 Difference]: With dead ends: 91277 [2021-11-17 12:32:05,769 INFO L226 Difference]: Without dead ends: 67453 [2021-11-17 12:32:05,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:32:05,860 INFO L933 BasicCegarLoop]: 6442 mSDtfsCounter, 8532 mSDsluCounter, 37364 mSDsCounter, 0 mSdLazyCounter, 12855 mSolverCounterSat, 3282 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9304 SdHoareTripleChecker+Valid, 43806 SdHoareTripleChecker+Invalid, 16147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3282 IncrementalHoareTripleChecker+Valid, 12855 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:32:05,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9304 Valid, 43806 Invalid, 16147 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3282 Valid, 12855 Invalid, 10 Unknown, 0 Unchecked, 49.1s Time] [2021-11-17 12:32:05,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67453 states. [2021-11-17 12:32:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67453 to 63031. [2021-11-17 12:32:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63031 states, 42960 states have (on average 1.2341480446927375) internal successors, (53019), 44053 states have internal predecessors, (53019), 14850 states have call successors, (14850), 5087 states have call predecessors, (14850), 5198 states have return successors, (17053), 14746 states have call predecessors, (17053), 14848 states have call successors, (17053) [2021-11-17 12:32:09,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63031 states to 63031 states and 84922 transitions. [2021-11-17 12:32:09,072 INFO L78 Accepts]: Start accepts. Automaton has 63031 states and 84922 transitions. Word has length 106 [2021-11-17 12:32:09,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:32:09,072 INFO L470 AbstractCegarLoop]: Abstraction has 63031 states and 84922 transitions. [2021-11-17 12:32:09,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-17 12:32:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 63031 states and 84922 transitions. [2021-11-17 12:32:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-17 12:32:09,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:32:09,075 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:32:09,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 12:32:09,076 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-17 12:32:09,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:32:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -198155793, now seen corresponding path program 1 times [2021-11-17 12:32:09,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:32:09,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990396531] [2021-11-17 12:32:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:32:09,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:32:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:32:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:32:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:32:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:32:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:32:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:32:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 12:32:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 12:32:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 12:32:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:32:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:32:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:32:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:32:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 12:32:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:32:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 12:32:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 12:32:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:32:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-17 12:32:09,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:32:09,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990396531] [2021-11-17 12:32:09,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990396531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:32:09,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:32:09,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:32:09,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769362657] [2021-11-17 12:32:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:32:09,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:32:09,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:32:09,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:32:09,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:32:09,316 INFO L87 Difference]: Start difference. First operand 63031 states and 84922 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2021-11-17 12:32:15,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15