./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--usb--musb--musb_hdrc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--usb--musb--musb_hdrc.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 d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 16:20:05,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 16:20:05,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 16:20:05,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 16:20:05,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 16:20:05,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 16:20:05,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 16:20:05,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 16:20:05,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 16:20:05,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 16:20:05,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 16:20:05,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 16:20:05,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 16:20:05,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 16:20:05,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 16:20:05,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 16:20:05,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 16:20:05,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 16:20:05,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 16:20:05,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 16:20:05,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 16:20:05,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 16:20:05,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 16:20:05,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 16:20:05,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 16:20:05,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 16:20:05,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 16:20:05,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 16:20:05,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 16:20:05,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 16:20:05,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 16:20:05,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 16:20:05,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 16:20:05,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 16:20:05,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 16:20:05,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 16:20:05,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 16:20:05,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 16:20:05,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 16:20:05,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 16:20:05,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 16:20:05,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 16:20:05,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 16:20:05,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 16:20:05,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 16:20:05,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 16:20:05,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 16:20:05,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 16:20:05,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 16:20:05,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 16:20:05,510 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 16:20:05,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 16:20:05,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 16:20:05,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 16:20:05,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 16:20:05,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 16:20:05,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 16:20:05,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 16:20:05,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 16:20:05,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 16:20:05,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 16:20:05,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:20:05,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 16:20:05,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 16:20:05,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 16:20:05,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 16:20:05,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 16:20:05,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 16:20:05,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2021-12-18 16:20:05,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 16:20:05,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 16:20:05,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 16:20:05,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 16:20:05,719 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 16:20:05,720 INFO L432 ainManager$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--usb--musb--musb_hdrc.ko.cil.i [2021-12-18 16:20:05,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79267e0db/4e44e26046764f8dac4ef556deec0f28/FLAGdb7016603 [2021-12-18 16:20:06,431 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 16:20:06,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-12-18 16:20:06,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79267e0db/4e44e26046764f8dac4ef556deec0f28/FLAGdb7016603 [2021-12-18 16:20:07,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79267e0db/4e44e26046764f8dac4ef556deec0f28 [2021-12-18 16:20:07,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 16:20:07,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 16:20:07,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 16:20:07,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 16:20:07,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 16:20:07,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:20:07" (1/1) ... [2021-12-18 16:20:07,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d442fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:07, skipping insertion in model container [2021-12-18 16:20:07,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:20:07" (1/1) ... [2021-12-18 16:20:07,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 16:20:07,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 16:20:13,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-12-18 16:20:13,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-12-18 16:20:13,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-12-18 16:20:13,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-12-18 16:20:13,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-12-18 16:20:13,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-12-18 16:20:13,728 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--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-12-18 16:20:13,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-12-18 16:20:13,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-12-18 16:20:13,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-12-18 16:20:13,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-12-18 16:20:13,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-12-18 16:20:13,731 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--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-12-18 16:20:13,731 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--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-12-18 16:20:13,731 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--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-12-18 16:20:13,733 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--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-12-18 16:20:13,733 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--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-12-18 16:20:13,733 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--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-12-18 16:20:13,737 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--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-12-18 16:20:13,738 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--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-12-18 16:20:13,738 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--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-12-18 16:20:13,741 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--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-12-18 16:20:13,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-12-18 16:20:13,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-12-18 16:20:13,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-12-18 16:20:13,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-12-18 16:20:13,744 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--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-12-18 16:20:13,744 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--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-12-18 16:20:13,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-12-18 16:20:13,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-12-18 16:20:13,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-12-18 16:20:13,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-12-18 16:20:13,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-12-18 16:20:13,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-12-18 16:20:13,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-12-18 16:20:13,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-12-18 16:20:13,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-12-18 16:20:13,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-12-18 16:20:13,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-12-18 16:20:13,753 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--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-12-18 16:20:13,753 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--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-12-18 16:20:13,753 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--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-12-18 16:20:13,753 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--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-12-18 16:20:13,754 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--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-12-18 16:20:13,754 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--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-12-18 16:20:13,761 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--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-12-18 16:20:13,762 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--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-12-18 16:20:13,762 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--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-12-18 16:20:13,763 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--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-12-18 16:20:13,763 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--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-12-18 16:20:13,764 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--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-12-18 16:20:13,764 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--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-12-18 16:20:13,764 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--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-12-18 16:20:13,765 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--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-12-18 16:20:13,765 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--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-12-18 16:20:13,766 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--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-12-18 16:20:13,766 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--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-12-18 16:20:13,766 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--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-12-18 16:20:13,767 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--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-12-18 16:20:13,767 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--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-12-18 16:20:13,767 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--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-12-18 16:20:13,768 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--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-12-18 16:20:13,768 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--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-12-18 16:20:13,768 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--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-12-18 16:20:13,769 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--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-12-18 16:20:13,769 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--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-12-18 16:20:13,769 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--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-12-18 16:20:13,770 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--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-12-18 16:20:13,770 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--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-12-18 16:20:13,770 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--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-12-18 16:20:13,771 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--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-12-18 16:20:13,771 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--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-12-18 16:20:13,771 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--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-12-18 16:20:13,772 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--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-12-18 16:20:13,772 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--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-12-18 16:20:13,772 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--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-12-18 16:20:13,773 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--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-12-18 16:20:13,773 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--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-12-18 16:20:13,773 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--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-12-18 16:20:13,774 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--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-12-18 16:20:13,774 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--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-12-18 16:20:13,774 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--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-12-18 16:20:13,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-12-18 16:20:13,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-12-18 16:20:13,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-12-18 16:20:13,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-12-18 16:20:13,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-12-18 16:20:13,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-12-18 16:20:13,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:20:13,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 16:20:14,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-12-18 16:20:14,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-12-18 16:20:14,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-12-18 16:20:14,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-12-18 16:20:14,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-12-18 16:20:14,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-12-18 16:20:14,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-12-18 16:20:14,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-12-18 16:20:14,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-12-18 16:20:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-12-18 16:20:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-12-18 16:20:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-12-18 16:20:14,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-12-18 16:20:14,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-12-18 16:20:14,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-12-18 16:20:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-12-18 16:20:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-12-18 16:20:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-12-18 16:20:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-12-18 16:20:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-12-18 16:20:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-12-18 16:20:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-12-18 16:20:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-12-18 16:20:14,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-12-18 16:20:14,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-12-18 16:20:14,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-12-18 16:20:14,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-12-18 16:20:14,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-12-18 16:20:14,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-12-18 16:20:14,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-12-18 16:20:14,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-12-18 16:20:14,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-12-18 16:20:14,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-12-18 16:20:14,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-12-18 16:20:14,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-12-18 16:20:14,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-12-18 16:20:14,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-12-18 16:20:14,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-12-18 16:20:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-12-18 16:20:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-12-18 16:20:14,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-12-18 16:20:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-12-18 16:20:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-12-18 16:20:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-12-18 16:20:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-12-18 16:20:14,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-12-18 16:20:14,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-12-18 16:20:14,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-12-18 16:20:14,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-12-18 16:20:14,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-12-18 16:20:14,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-12-18 16:20:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-12-18 16:20:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-12-18 16:20:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-12-18 16:20:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-12-18 16:20:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-12-18 16:20:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-12-18 16:20:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-12-18 16:20:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-12-18 16:20:14,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-12-18 16:20:14,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-12-18 16:20:14,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-12-18 16:20:14,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-12-18 16:20:14,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-12-18 16:20:14,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-12-18 16:20:14,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-12-18 16:20:14,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-12-18 16:20:14,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-12-18 16:20:14,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-12-18 16:20:14,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-12-18 16:20:14,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-12-18 16:20:14,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-12-18 16:20:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-12-18 16:20:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-12-18 16:20:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-12-18 16:20:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-12-18 16:20:14,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-12-18 16:20:14,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-12-18 16:20:14,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-12-18 16:20:14,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-12-18 16:20:14,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-12-18 16:20:14,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-12-18 16:20:14,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-12-18 16:20:14,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-12-18 16:20:14,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-12-18 16:20:14,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-12-18 16:20:14,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-12-18 16:20:14,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-12-18 16:20:14,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:20:14,669 INFO L208 MainTranslator]: Completed translation [2021-12-18 16:20:14,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14 WrapperNode [2021-12-18 16:20:14,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 16:20:14,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 16:20:14,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 16:20:14,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 16:20:14,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:14,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,113 INFO L137 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2021-12-18 16:20:15,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 16:20:15,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 16:20:15,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 16:20:15,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 16:20:15,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 16:20:15,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 16:20:15,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 16:20:15,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 16:20:15,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (1/1) ... [2021-12-18 16:20:15,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:20:15,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:20:15,938 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) [2021-12-18 16:20:15,954 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 [2021-12-18 16:20:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2021-12-18 16:20:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2021-12-18 16:20:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-18 16:20:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-18 16:20:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2021-12-18 16:20:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2021-12-18 16:20:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 16:20:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2021-12-18 16:20:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2021-12-18 16:20:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2021-12-18 16:20:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2021-12-18 16:20:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-12-18 16:20:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-12-18 16:20:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-12-18 16:20:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-12-18 16:20:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2021-12-18 16:20:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2021-12-18 16:20:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:20:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:20:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2021-12-18 16:20:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2021-12-18 16:20:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2021-12-18 16:20:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2021-12-18 16:20:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:20:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:20:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2021-12-18 16:20:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2021-12-18 16:20:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-18 16:20:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-18 16:20:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 16:20:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 16:20:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:20:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:20:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2021-12-18 16:20:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2021-12-18 16:20:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2021-12-18 16:20:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2021-12-18 16:20:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2021-12-18 16:20:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2021-12-18 16:20:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2021-12-18 16:20:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2021-12-18 16:20:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2021-12-18 16:20:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2021-12-18 16:20:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:20:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:20:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2021-12-18 16:20:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2021-12-18 16:20:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 16:20:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 16:20:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2021-12-18 16:20:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2021-12-18 16:20:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2021-12-18 16:20:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2021-12-18 16:20:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 16:20:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 16:20:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2021-12-18 16:20:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2021-12-18 16:20:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:20:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:20:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 16:20:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:20:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:20:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2021-12-18 16:20:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2021-12-18 16:20:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-18 16:20:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-18 16:20:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 16:20:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 16:20:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2021-12-18 16:20:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2021-12-18 16:20:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:20:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:20:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2021-12-18 16:20:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2021-12-18 16:20:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2021-12-18 16:20:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2021-12-18 16:20:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 16:20:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 16:20:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 16:20:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 16:20:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 16:20:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 16:20:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2021-12-18 16:20:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2021-12-18 16:20:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2021-12-18 16:20:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2021-12-18 16:20:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2021-12-18 16:20:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2021-12-18 16:20:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 16:20:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 16:20:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2021-12-18 16:20:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2021-12-18 16:20:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2021-12-18 16:20:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2021-12-18 16:20:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 16:20:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 16:20:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2021-12-18 16:20:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2021-12-18 16:20:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2021-12-18 16:20:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2021-12-18 16:20:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2021-12-18 16:20:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2021-12-18 16:20:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2021-12-18 16:20:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2021-12-18 16:20:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2021-12-18 16:20:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2021-12-18 16:20:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 16:20:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 16:20:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2021-12-18 16:20:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2021-12-18 16:20:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2021-12-18 16:20:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2021-12-18 16:20:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 16:20:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 16:20:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2021-12-18 16:20:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2021-12-18 16:20:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 16:20:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 16:20:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2021-12-18 16:20:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2021-12-18 16:20:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2021-12-18 16:20:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2021-12-18 16:20:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 16:20:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-12-18 16:20:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-12-18 16:20:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2021-12-18 16:20:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2021-12-18 16:20:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-12-18 16:20:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-12-18 16:20:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2021-12-18 16:20:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2021-12-18 16:20:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2021-12-18 16:20:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2021-12-18 16:20:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 16:20:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 16:20:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2021-12-18 16:20:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2021-12-18 16:20:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 16:20:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 16:20:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2021-12-18 16:20:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2021-12-18 16:20:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-18 16:20:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-18 16:20:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:20:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:20:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:20:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:20:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 16:20:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-18 16:20:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-18 16:20:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 16:20:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 16:20:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:20:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:20:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2021-12-18 16:20:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2021-12-18 16:20:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-12-18 16:20:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-12-18 16:20:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 16:20:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2021-12-18 16:20:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2021-12-18 16:20:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2021-12-18 16:20:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2021-12-18 16:20:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-18 16:20:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2021-12-18 16:20:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2021-12-18 16:20:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 16:20:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 16:20:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 16:20:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 16:20:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2021-12-18 16:20:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2021-12-18 16:20:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2021-12-18 16:20:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2021-12-18 16:20:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 16:20:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 16:20:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2021-12-18 16:20:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2021-12-18 16:20:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2021-12-18 16:20:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2021-12-18 16:20:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 16:20:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 16:20:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-12-18 16:20:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-12-18 16:20:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2021-12-18 16:20:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2021-12-18 16:20:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2021-12-18 16:20:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2021-12-18 16:20:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2021-12-18 16:20:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2021-12-18 16:20:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 16:20:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 16:20:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2021-12-18 16:20:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2021-12-18 16:20:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2021-12-18 16:20:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2021-12-18 16:20:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:20:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:20:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2021-12-18 16:20:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2021-12-18 16:20:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:20:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:20:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2021-12-18 16:20:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2021-12-18 16:20:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-12-18 16:20:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-12-18 16:20:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2021-12-18 16:20:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2021-12-18 16:20:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2021-12-18 16:20:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2021-12-18 16:20:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2021-12-18 16:20:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2021-12-18 16:20:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 16:20:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-12-18 16:20:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-12-18 16:20:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 16:20:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 16:20:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-12-18 16:20:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-12-18 16:20:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-18 16:20:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-18 16:20:15,998 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2021-12-18 16:20:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2021-12-18 16:20:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-12-18 16:20:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-12-18 16:20:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-18 16:20:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-18 16:20:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-12-18 16:20:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-12-18 16:20:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2021-12-18 16:20:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2021-12-18 16:20:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-12-18 16:20:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-12-18 16:20:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2021-12-18 16:20:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2021-12-18 16:20:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2021-12-18 16:20:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2021-12-18 16:20:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2021-12-18 16:20:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2021-12-18 16:20:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-12-18 16:20:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-12-18 16:20:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 16:20:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2021-12-18 16:20:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2021-12-18 16:20:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2021-12-18 16:20:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2021-12-18 16:20:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2021-12-18 16:20:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2021-12-18 16:20:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2021-12-18 16:20:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2021-12-18 16:20:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2021-12-18 16:20:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2021-12-18 16:20:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2021-12-18 16:20:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2021-12-18 16:20:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 16:20:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 16:20:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:20:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:20:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 16:20:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 16:20:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2021-12-18 16:20:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2021-12-18 16:20:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2021-12-18 16:20:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2021-12-18 16:20:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2021-12-18 16:20:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2021-12-18 16:20:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 16:20:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 16:20:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2021-12-18 16:20:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2021-12-18 16:20:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2021-12-18 16:20:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2021-12-18 16:20:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-18 16:20:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-18 16:20:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2021-12-18 16:20:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2021-12-18 16:20:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2021-12-18 16:20:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2021-12-18 16:20:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2021-12-18 16:20:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2021-12-18 16:20:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2021-12-18 16:20:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2021-12-18 16:20:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2021-12-18 16:20:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2021-12-18 16:20:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-12-18 16:20:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-12-18 16:20:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:20:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:20:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:20:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:20:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-12-18 16:20:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-12-18 16:20:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2021-12-18 16:20:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2021-12-18 16:20:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 16:20:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 16:20:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-18 16:20:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-18 16:20:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2021-12-18 16:20:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2021-12-18 16:20:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 16:20:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 16:20:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:20:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:20:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-18 16:20:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-18 16:20:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 16:20:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2021-12-18 16:20:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2021-12-18 16:20:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2021-12-18 16:20:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2021-12-18 16:20:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2021-12-18 16:20:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2021-12-18 16:20:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2021-12-18 16:20:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2021-12-18 16:20:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 16:20:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 16:20:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 16:20:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 16:20:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-18 16:20:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2021-12-18 16:20:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2021-12-18 16:20:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 16:20:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 16:20:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 16:20:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2021-12-18 16:20:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2021-12-18 16:20:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2021-12-18 16:20:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2021-12-18 16:20:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 16:20:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 16:20:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2021-12-18 16:20:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2021-12-18 16:20:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 16:20:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 16:20:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 16:20:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2021-12-18 16:20:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2021-12-18 16:20:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2021-12-18 16:20:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2021-12-18 16:20:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2021-12-18 16:20:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2021-12-18 16:20:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2021-12-18 16:20:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2021-12-18 16:20:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 16:20:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 16:20:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2021-12-18 16:20:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2021-12-18 16:20:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 16:20:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 16:20:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 16:20:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 16:20:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2021-12-18 16:20:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2021-12-18 16:20:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 16:20:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 16:20:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:20:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:20:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-12-18 16:20:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-12-18 16:20:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-12-18 16:20:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-12-18 16:20:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 16:20:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 16:20:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 16:20:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 16:20:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2021-12-18 16:20:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2021-12-18 16:20:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-18 16:20:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-18 16:20:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 16:20:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 16:20:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:20:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:20:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2021-12-18 16:20:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2021-12-18 16:20:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2021-12-18 16:20:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2021-12-18 16:20:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2021-12-18 16:20:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2021-12-18 16:20:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-12-18 16:20:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-12-18 16:20:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-18 16:20:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-18 16:20:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2021-12-18 16:20:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2021-12-18 16:20:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-12-18 16:20:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-12-18 16:20:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-12-18 16:20:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-12-18 16:20:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2021-12-18 16:20:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2021-12-18 16:20:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:20:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:20:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:20:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:20:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2021-12-18 16:20:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2021-12-18 16:20:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2021-12-18 16:20:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2021-12-18 16:20:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2021-12-18 16:20:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2021-12-18 16:20:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2021-12-18 16:20:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2021-12-18 16:20:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 16:20:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 16:20:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2021-12-18 16:20:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2021-12-18 16:20:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2021-12-18 16:20:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2021-12-18 16:20:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2021-12-18 16:20:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2021-12-18 16:20:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:20:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:20:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2021-12-18 16:20:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2021-12-18 16:20:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 16:20:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 16:20:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 16:20:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 16:20:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2021-12-18 16:20:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2021-12-18 16:20:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2021-12-18 16:20:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2021-12-18 16:20:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2021-12-18 16:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2021-12-18 16:20:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2021-12-18 16:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2021-12-18 16:20:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2021-12-18 16:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2021-12-18 16:20:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2021-12-18 16:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2021-12-18 16:20:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2021-12-18 16:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2021-12-18 16:20:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 16:20:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 16:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 16:20:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 16:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 16:20:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2021-12-18 16:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2021-12-18 16:20:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2021-12-18 16:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2021-12-18 16:20:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:20:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-18 16:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-18 16:20:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 16:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 16:20:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2021-12-18 16:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2021-12-18 16:20:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2021-12-18 16:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2021-12-18 16:20:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2021-12-18 16:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2021-12-18 16:20:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-18 16:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-18 16:20:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-12-18 16:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-12-18 16:20:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2021-12-18 16:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2021-12-18 16:20:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2021-12-18 16:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2021-12-18 16:20:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2021-12-18 16:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2021-12-18 16:20:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2021-12-18 16:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2021-12-18 16:20:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2021-12-18 16:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2021-12-18 16:20:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2021-12-18 16:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2021-12-18 16:20:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2021-12-18 16:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2021-12-18 16:20:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2021-12-18 16:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2021-12-18 16:20:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-18 16:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-18 16:20:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 16:20:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2021-12-18 16:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2021-12-18 16:20:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-12-18 16:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-12-18 16:20:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:20:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2021-12-18 16:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2021-12-18 16:20:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-12-18 16:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-12-18 16:20:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 16:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 16:20:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2021-12-18 16:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2021-12-18 16:20:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2021-12-18 16:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2021-12-18 16:20:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2021-12-18 16:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2021-12-18 16:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2021-12-18 16:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2021-12-18 16:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-18 16:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-18 16:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-12-18 16:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-12-18 16:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-12-18 16:20:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-12-18 16:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:20:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 16:20:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 16:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 16:20:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 16:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2021-12-18 16:20:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2021-12-18 16:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2021-12-18 16:20:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2021-12-18 16:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:20:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-18 16:20:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-18 16:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2021-12-18 16:20:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2021-12-18 16:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2021-12-18 16:20:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2021-12-18 16:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:20:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-12-18 16:20:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-12-18 16:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:20:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2021-12-18 16:20:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2021-12-18 16:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2021-12-18 16:20:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2021-12-18 16:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2021-12-18 16:20:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2021-12-18 16:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2021-12-18 16:20:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2021-12-18 16:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2021-12-18 16:20:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2021-12-18 16:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 16:20:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 16:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2021-12-18 16:20:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2021-12-18 16:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 16:20:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 16:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 16:20:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 16:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2021-12-18 16:20:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2021-12-18 16:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:20:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 16:20:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 16:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2021-12-18 16:20:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2021-12-18 16:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 16:20:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 16:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-18 16:20:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-18 16:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2021-12-18 16:20:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2021-12-18 16:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 16:20:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 16:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 16:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-18 16:20:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-18 16:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2021-12-18 16:20:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2021-12-18 16:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2021-12-18 16:20:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2021-12-18 16:20:17,583 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 16:20:17,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 16:20:18,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 16:20:28,614 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 16:20:28,640 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 16:20:28,640 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-18 16:20:28,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:20:28 BoogieIcfgContainer [2021-12-18 16:20:28,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 16:20:28,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 16:20:28,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 16:20:28,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 16:20:28,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:20:07" (1/3) ... [2021-12-18 16:20:28,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:20:28, skipping insertion in model container [2021-12-18 16:20:28,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:20:14" (2/3) ... [2021-12-18 16:20:28,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:20:28, skipping insertion in model container [2021-12-18 16:20:28,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:20:28" (3/3) ... [2021-12-18 16:20:28,655 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-12-18 16:20:28,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 16:20:28,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-12-18 16:20:28,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 16:20:28,727 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 [2021-12-18 16:20:28,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-18 16:20:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 6029 states, 4147 states have (on average 1.3142030383409693) internal successors, (5450), 4295 states have internal predecessors, (5450), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) [2021-12-18 16:20:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-18 16:20:28,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:20:28,813 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 16:20:28,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:20:28,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:20:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1702780898, now seen corresponding path program 1 times [2021-12-18 16:20:28,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:20:28,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516527091] [2021-12-18 16:20:28,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:20:28,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:20:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:20:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:20:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:20:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:20:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:20:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:20:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:20:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:20:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:20:29,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:20:29,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516527091] [2021-12-18 16:20:29,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516527091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:20:29,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:20:29,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:20:29,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970448492] [2021-12-18 16:20:29,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:20:29,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:20:29,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:20:29,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:20:29,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:20:29,845 INFO L87 Difference]: Start difference. First operand has 6029 states, 4147 states have (on average 1.3142030383409693) internal successors, (5450), 4295 states have internal predecessors, (5450), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) 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, (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) [2021-12-18 16:20:32,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:44,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:20:44,662 INFO L93 Difference]: Finished difference Result 12016 states and 17469 transitions. [2021-12-18 16:20:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:20:44,665 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, (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 64 [2021-12-18 16:20:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:20:44,717 INFO L225 Difference]: With dead ends: 12016 [2021-12-18 16:20:44,718 INFO L226 Difference]: Without dead ends: 5992 [2021-12-18 16:20:44,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:20:44,753 INFO L933 BasicCegarLoop]: 7386 mSDtfsCounter, 14306 mSDsluCounter, 5408 mSDsCounter, 0 mSdLazyCounter, 7383 mSolverCounterSat, 7714 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14722 SdHoareTripleChecker+Valid, 12794 SdHoareTripleChecker+Invalid, 15098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7714 IncrementalHoareTripleChecker+Valid, 7383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:20:44,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14722 Valid, 12794 Invalid, 15098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7714 Valid, 7383 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2021-12-18 16:20:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5992 states. [2021-12-18 16:20:45,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5992 to 5992. [2021-12-18 16:20:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5992 states, 4124 states have (on average 1.302376333656644) internal successors, (5371), 4260 states have internal predecessors, (5371), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:20:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5992 states to 5992 states and 8499 transitions. [2021-12-18 16:20:45,071 INFO L78 Accepts]: Start accepts. Automaton has 5992 states and 8499 transitions. Word has length 64 [2021-12-18 16:20:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:20:45,074 INFO L470 AbstractCegarLoop]: Abstraction has 5992 states and 8499 transitions. [2021-12-18 16:20:45,074 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, (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) [2021-12-18 16:20:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 5992 states and 8499 transitions. [2021-12-18 16:20:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-18 16:20:45,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:20:45,082 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 16:20:45,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 16:20:45,082 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:20:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:20:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1631613995, now seen corresponding path program 1 times [2021-12-18 16:20:45,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:20:45,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697435591] [2021-12-18 16:20:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:20:45,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:20:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:20:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:20:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:20:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:20:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:20:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:20:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:20:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:20:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:20:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:20:45,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:20:45,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697435591] [2021-12-18 16:20:45,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697435591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:20:45,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:20:45,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:20:45,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740175918] [2021-12-18 16:20:45,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:20:45,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:20:45,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:20:45,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:20:45,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:20:45,602 INFO L87 Difference]: Start difference. First operand 5992 states and 8499 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, (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) [2021-12-18 16:20:48,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:59,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:20:59,740 INFO L93 Difference]: Finished difference Result 5992 states and 8499 transitions. [2021-12-18 16:20:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:20:59,741 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, (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 70 [2021-12-18 16:20:59,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:20:59,767 INFO L225 Difference]: With dead ends: 5992 [2021-12-18 16:20:59,768 INFO L226 Difference]: Without dead ends: 5990 [2021-12-18 16:20:59,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:20:59,772 INFO L933 BasicCegarLoop]: 7354 mSDtfsCounter, 14260 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14673 SdHoareTripleChecker+Valid, 12716 SdHoareTripleChecker+Invalid, 15064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:20:59,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14673 Valid, 12716 Invalid, 15064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7371 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2021-12-18 16:20:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5990 states. [2021-12-18 16:21:00,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5990 to 5990. [2021-12-18 16:21:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 4123 states have (on average 1.302207130730051) internal successors, (5369), 4258 states have internal predecessors, (5369), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 8497 transitions. [2021-12-18 16:21:00,064 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 8497 transitions. Word has length 70 [2021-12-18 16:21:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:00,066 INFO L470 AbstractCegarLoop]: Abstraction has 5990 states and 8497 transitions. [2021-12-18 16:21:00,066 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, (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) [2021-12-18 16:21:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 8497 transitions. [2021-12-18 16:21:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-18 16:21:00,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:00,069 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 16:21:00,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 16:21:00,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:21:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1094945144, now seen corresponding path program 1 times [2021-12-18 16:21:00,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:00,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441073163] [2021-12-18 16:21:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:00,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:21:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:21:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:21:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:21:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:21:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:21:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:21:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:21:00,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:00,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441073163] [2021-12-18 16:21:00,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441073163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:00,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:21:00,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:21:00,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124364874] [2021-12-18 16:21:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:00,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:21:00,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:00,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:21:00,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:21:00,570 INFO L87 Difference]: Start difference. First operand 5990 states and 8497 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, (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) [2021-12-18 16:21:12,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:12,600 INFO L93 Difference]: Finished difference Result 5990 states and 8497 transitions. [2021-12-18 16:21:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:21:12,601 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, (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 76 [2021-12-18 16:21:12,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:12,623 INFO L225 Difference]: With dead ends: 5990 [2021-12-18 16:21:12,624 INFO L226 Difference]: Without dead ends: 5988 [2021-12-18 16:21:12,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:21:12,627 INFO L933 BasicCegarLoop]: 7352 mSDtfsCounter, 14254 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7370 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14666 SdHoareTripleChecker+Valid, 12714 SdHoareTripleChecker+Invalid, 15062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:12,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14666 Valid, 12714 Invalid, 15062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7370 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2021-12-18 16:21:12,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2021-12-18 16:21:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5988. [2021-12-18 16:21:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 4122 states have (on average 1.302037845705968) internal successors, (5367), 4256 states have internal predecessors, (5367), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8495 transitions. [2021-12-18 16:21:12,807 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8495 transitions. Word has length 76 [2021-12-18 16:21:12,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:12,809 INFO L470 AbstractCegarLoop]: Abstraction has 5988 states and 8495 transitions. [2021-12-18 16:21:12,810 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, (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) [2021-12-18 16:21:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8495 transitions. [2021-12-18 16:21:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 16:21:12,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:12,811 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 16:21:12,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 16:21:12,811 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:21:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash 849088761, now seen corresponding path program 1 times [2021-12-18 16:21:12,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:12,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367356773] [2021-12-18 16:21:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:21:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:21:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:21:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:21:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:21:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:21:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:21:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:21:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:21:13,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:13,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367356773] [2021-12-18 16:21:13,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367356773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:13,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:21:13,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:21:13,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374632498] [2021-12-18 16:21:13,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:13,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:21:13,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:13,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:21:13,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:21:13,221 INFO L87 Difference]: Start difference. First operand 5988 states and 8495 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, (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) [2021-12-18 16:21:25,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:25,377 INFO L93 Difference]: Finished difference Result 5988 states and 8495 transitions. [2021-12-18 16:21:25,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:21:25,377 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, (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 82 [2021-12-18 16:21:25,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:25,400 INFO L225 Difference]: With dead ends: 5988 [2021-12-18 16:21:25,400 INFO L226 Difference]: Without dead ends: 5986 [2021-12-18 16:21:25,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:21:25,405 INFO L933 BasicCegarLoop]: 7350 mSDtfsCounter, 14248 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7368 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14659 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 15060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:25,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14659 Valid, 12712 Invalid, 15060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7368 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2021-12-18 16:21:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5986 states. [2021-12-18 16:21:25,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5986 to 5986. [2021-12-18 16:21:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 4121 states have (on average 1.30186847852463) internal successors, (5365), 4254 states have internal predecessors, (5365), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 8493 transitions. [2021-12-18 16:21:25,574 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 8493 transitions. Word has length 82 [2021-12-18 16:21:25,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:25,575 INFO L470 AbstractCegarLoop]: Abstraction has 5986 states and 8493 transitions. [2021-12-18 16:21:25,575 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, (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) [2021-12-18 16:21:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 8493 transitions. [2021-12-18 16:21:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 16:21:25,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:25,576 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-18 16:21:25,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 16:21:25,576 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:21:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2061214948, now seen corresponding path program 1 times [2021-12-18 16:21:25,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:25,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762878751] [2021-12-18 16:21:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:25,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:21:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:21:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:21:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:21:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:21:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:21:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 16:21:26,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:26,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762878751] [2021-12-18 16:21:26,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762878751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:26,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:21:26,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:21:26,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380597821] [2021-12-18 16:21:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:26,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:21:26,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:21:26,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:21:26,023 INFO L87 Difference]: Start difference. First operand 5986 states and 8493 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 16:21:42,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:42,290 INFO L93 Difference]: Finished difference Result 12323 states and 17587 transitions. [2021-12-18 16:21:42,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:21:42,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2021-12-18 16:21:42,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:42,315 INFO L225 Difference]: With dead ends: 12323 [2021-12-18 16:21:42,315 INFO L226 Difference]: Without dead ends: 6356 [2021-12-18 16:21:42,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:21:42,335 INFO L933 BasicCegarLoop]: 6726 mSDtfsCounter, 17115 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 7871 mSolverCounterSat, 12421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17550 SdHoareTripleChecker+Valid, 10056 SdHoareTripleChecker+Invalid, 20292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12421 IncrementalHoareTripleChecker+Valid, 7871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:42,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17550 Valid, 10056 Invalid, 20292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12421 Valid, 7871 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2021-12-18 16:21:42,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6356 states. [2021-12-18 16:21:42,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6356 to 5982. [2021-12-18 16:21:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5982 states, 4118 states have (on average 1.3016027197668771) internal successors, (5360), 4250 states have internal predecessors, (5360), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5982 states to 5982 states and 8488 transitions. [2021-12-18 16:21:42,536 INFO L78 Accepts]: Start accepts. Automaton has 5982 states and 8488 transitions. Word has length 93 [2021-12-18 16:21:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:42,537 INFO L470 AbstractCegarLoop]: Abstraction has 5982 states and 8488 transitions. [2021-12-18 16:21:42,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 16:21:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5982 states and 8488 transitions. [2021-12-18 16:21:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-18 16:21:42,541 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:42,542 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:21:42,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 16:21:42,542 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:21:42,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:42,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1598118806, now seen corresponding path program 1 times [2021-12-18 16:21:42,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:42,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499446357] [2021-12-18 16:21:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:42,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:21:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:21:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:21:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:21:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:21:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:21:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:21:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:21:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:21:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:21:42,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:42,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499446357] [2021-12-18 16:21:42,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499446357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:42,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:21:42,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:21:42,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837661733] [2021-12-18 16:21:42,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:42,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:21:42,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:42,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:21:42,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:21:42,909 INFO L87 Difference]: Start difference. First operand 5982 states and 8488 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, (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) [2021-12-18 16:21:45,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:21:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:56,837 INFO L93 Difference]: Finished difference Result 5982 states and 8488 transitions. [2021-12-18 16:21:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:21:56,838 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, (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 88 [2021-12-18 16:21:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:56,854 INFO L225 Difference]: With dead ends: 5982 [2021-12-18 16:21:56,854 INFO L226 Difference]: Without dead ends: 5980 [2021-12-18 16:21:56,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:21:56,856 INFO L933 BasicCegarLoop]: 7343 mSDtfsCounter, 14237 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 7364 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14647 SdHoareTripleChecker+Valid, 12691 SdHoareTripleChecker+Invalid, 15057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:56,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14647 Valid, 12691 Invalid, 15057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7364 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2021-12-18 16:21:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5980 states. [2021-12-18 16:21:57,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5980 to 5980. [2021-12-18 16:21:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5980 states, 4117 states have (on average 1.3014330823415108) internal successors, (5358), 4248 states have internal predecessors, (5358), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5980 states to 5980 states and 8486 transitions. [2021-12-18 16:21:57,036 INFO L78 Accepts]: Start accepts. Automaton has 5980 states and 8486 transitions. Word has length 88 [2021-12-18 16:21:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:57,037 INFO L470 AbstractCegarLoop]: Abstraction has 5980 states and 8486 transitions. [2021-12-18 16:21:57,037 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, (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) [2021-12-18 16:21:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5980 states and 8486 transitions. [2021-12-18 16:21:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-18 16:21:57,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:57,038 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-18 16:21:57,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 16:21:57,038 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:21:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash -93524621, now seen corresponding path program 1 times [2021-12-18 16:21:57,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:57,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759195104] [2021-12-18 16:21:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:57,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:21:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:21:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:21:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:21:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:21:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:21:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:21:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-18 16:21:57,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:57,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759195104] [2021-12-18 16:21:57,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759195104] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:21:57,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096110078] [2021-12-18 16:21:57,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:57,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:21:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:21:57,463 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) [2021-12-18 16:21:57,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 16:21:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:59,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 8614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 16:21:59,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:21:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 16:21:59,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:21:59,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096110078] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:59,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:21:59,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-18 16:21:59,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061940441] [2021-12-18 16:21:59,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:59,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 16:21:59,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:59,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 16:21:59,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:21:59,377 INFO L87 Difference]: Start difference. First operand 5980 states and 8486 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 16:21:59,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:59,674 INFO L93 Difference]: Finished difference Result 11937 states and 16940 transitions. [2021-12-18 16:21:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 16:21:59,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2021-12-18 16:21:59,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:59,692 INFO L225 Difference]: With dead ends: 11937 [2021-12-18 16:21:59,693 INFO L226 Difference]: Without dead ends: 5976 [2021-12-18 16:21:59,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:21:59,714 INFO L933 BasicCegarLoop]: 8480 mSDtfsCounter, 8460 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8460 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:59,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8460 Valid, 8480 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 16:21:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2021-12-18 16:21:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2021-12-18 16:21:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4114 states have (on average 1.3011667476908118) internal successors, (5353), 4244 states have internal predecessors, (5353), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:21:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8481 transitions. [2021-12-18 16:21:59,906 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8481 transitions. Word has length 99 [2021-12-18 16:21:59,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:59,907 INFO L470 AbstractCegarLoop]: Abstraction has 5976 states and 8481 transitions. [2021-12-18 16:21:59,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 16:21:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8481 transitions. [2021-12-18 16:21:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-18 16:21:59,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:59,909 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:21:59,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 16:22:00,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:22:00,116 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:22:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:22:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1918520259, now seen corresponding path program 1 times [2021-12-18 16:22:00,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:22:00,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927157483] [2021-12-18 16:22:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:22:00,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:22:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:22:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:22:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:22:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:22:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:22:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:22:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:22:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:22:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:22:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:22:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:22:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:22:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:22:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:22:00,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:22:00,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927157483] [2021-12-18 16:22:00,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927157483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:22:00,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:22:00,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:22:00,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913241193] [2021-12-18 16:22:00,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:22:00,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:22:00,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:22:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:22:00,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:22:00,499 INFO L87 Difference]: Start difference. First operand 5976 states and 8481 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, (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) [2021-12-18 16:22:13,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:22:13,484 INFO L93 Difference]: Finished difference Result 5976 states and 8481 transitions. [2021-12-18 16:22:13,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:22:13,484 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, (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 94 [2021-12-18 16:22:13,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:22:13,503 INFO L225 Difference]: With dead ends: 5976 [2021-12-18 16:22:13,504 INFO L226 Difference]: Without dead ends: 5974 [2021-12-18 16:22:13,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:22:13,507 INFO L933 BasicCegarLoop]: 7336 mSDtfsCounter, 14226 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7362 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14635 SdHoareTripleChecker+Valid, 12670 SdHoareTripleChecker+Invalid, 15054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:22:13,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14635 Valid, 12670 Invalid, 15054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7362 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2021-12-18 16:22:13,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2021-12-18 16:22:13,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5974. [2021-12-18 16:22:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 4113 states have (on average 1.300996839290056) internal successors, (5351), 4242 states have internal predecessors, (5351), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-18 16:22:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 8479 transitions. [2021-12-18 16:22:13,731 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 8479 transitions. Word has length 94 [2021-12-18 16:22:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:22:13,732 INFO L470 AbstractCegarLoop]: Abstraction has 5974 states and 8479 transitions. [2021-12-18 16:22:13,732 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, (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) [2021-12-18 16:22:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 8479 transitions. [2021-12-18 16:22:13,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-18 16:22:13,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:22:13,734 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:22:13,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 16:22:13,734 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:22:13,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:22:13,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1214601926, now seen corresponding path program 1 times [2021-12-18 16:22:13,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:22:13,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938924220] [2021-12-18 16:22:13,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:22:13,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:22:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:22:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:22:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:22:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:22:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:22:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:22:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:22:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:22:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:22:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:22:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:22:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:22:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:22:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:22:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:22:14,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:22:14,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938924220] [2021-12-18 16:22:14,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938924220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:22:14,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:22:14,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:22:14,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680463210] [2021-12-18 16:22:14,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:22:14,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:22:14,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:22:14,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:22:14,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:22:14,142 INFO L87 Difference]: Start difference. First operand 5974 states and 8479 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, (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) [2021-12-18 16:22:16,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:22:44,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:22:44,570 INFO L93 Difference]: Finished difference Result 11905 states and 17070 transitions. [2021-12-18 16:22:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 16:22:44,571 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, (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 100 [2021-12-18 16:22:44,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:22:44,614 INFO L225 Difference]: With dead ends: 11905 [2021-12-18 16:22:44,615 INFO L226 Difference]: Without dead ends: 11903 [2021-12-18 16:22:44,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:22:44,622 INFO L933 BasicCegarLoop]: 8116 mSDtfsCounter, 22090 mSDsluCounter, 9007 mSDsCounter, 0 mSdLazyCounter, 16270 mSolverCounterSat, 13197 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22452 SdHoareTripleChecker+Valid, 17123 SdHoareTripleChecker+Invalid, 29468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13197 IncrementalHoareTripleChecker+Valid, 16270 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:22:44,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22452 Valid, 17123 Invalid, 29468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13197 Valid, 16270 Invalid, 1 Unknown, 0 Unchecked, 29.4s Time] [2021-12-18 16:22:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11903 states. [2021-12-18 16:22:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11903 to 11768. [2021-12-18 16:22:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11768 states, 8117 states have (on average 1.3026980411482074) internal successors, (10574), 8358 states have internal predecessors, (10574), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:22:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 11768 states and 16924 transitions. [2021-12-18 16:22:45,153 INFO L78 Accepts]: Start accepts. Automaton has 11768 states and 16924 transitions. Word has length 100 [2021-12-18 16:22:45,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:22:45,153 INFO L470 AbstractCegarLoop]: Abstraction has 11768 states and 16924 transitions. [2021-12-18 16:22:45,153 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, (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) [2021-12-18 16:22:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 11768 states and 16924 transitions. [2021-12-18 16:22:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 16:22:45,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:22:45,156 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:22:45,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 16:22:45,156 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:22:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:22:45,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2015681584, now seen corresponding path program 1 times [2021-12-18 16:22:45,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:22:45,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321018491] [2021-12-18 16:22:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:22:45,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:22:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:22:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:22:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:22:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:22:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:22:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:22:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:22:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:22:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:22:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:22:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:22:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:22:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:22:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:22:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:22:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:22:45,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:22:45,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321018491] [2021-12-18 16:22:45,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321018491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:22:45,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:22:45,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:22:45,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324695214] [2021-12-18 16:22:45,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:22:45,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:22:45,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:22:45,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:22:45,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:22:45,546 INFO L87 Difference]: Start difference. First operand 11768 states and 16924 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-12-18 16:22:48,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:23:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:01,801 INFO L93 Difference]: Finished difference Result 11768 states and 16924 transitions. [2021-12-18 16:23:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:23:01,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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 106 [2021-12-18 16:23:01,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:01,843 INFO L225 Difference]: With dead ends: 11768 [2021-12-18 16:23:01,843 INFO L226 Difference]: Without dead ends: 11766 [2021-12-18 16:23:01,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:23:01,851 INFO L933 BasicCegarLoop]: 7334 mSDtfsCounter, 14224 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7355 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14631 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 15048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:01,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14631 Valid, 12668 Invalid, 15048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7355 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2021-12-18 16:23:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2021-12-18 16:23:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 11766. [2021-12-18 16:23:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 8116 states have (on average 1.3026121241991129) internal successors, (10572), 8356 states have internal predecessors, (10572), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:23:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 16922 transitions. [2021-12-18 16:23:02,451 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 16922 transitions. Word has length 106 [2021-12-18 16:23:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:02,451 INFO L470 AbstractCegarLoop]: Abstraction has 11766 states and 16922 transitions. [2021-12-18 16:23:02,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-12-18 16:23:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 16922 transitions. [2021-12-18 16:23:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-18 16:23:02,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:02,453 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:23:02,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 16:23:02,454 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:23:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:02,454 INFO L85 PathProgramCache]: Analyzing trace with hash 40076755, now seen corresponding path program 1 times [2021-12-18 16:23:02,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:02,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308429981] [2021-12-18 16:23:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:02,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:23:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:23:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:23:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:23:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:23:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:23:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:23:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:23:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:23:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:23:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:23:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:23:02,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:02,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308429981] [2021-12-18 16:23:02,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308429981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:02,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:23:02,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:23:02,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220797070] [2021-12-18 16:23:02,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:02,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:23:02,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:02,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:23:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:23:02,835 INFO L87 Difference]: Start difference. First operand 11766 states and 16922 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, (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) [2021-12-18 16:23:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:17,029 INFO L93 Difference]: Finished difference Result 11766 states and 16922 transitions. [2021-12-18 16:23:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:23:17,030 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, (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 108 [2021-12-18 16:23:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:17,077 INFO L225 Difference]: With dead ends: 11766 [2021-12-18 16:23:17,077 INFO L226 Difference]: Without dead ends: 11764 [2021-12-18 16:23:17,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:23:17,085 INFO L933 BasicCegarLoop]: 7332 mSDtfsCounter, 14212 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7358 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14619 SdHoareTripleChecker+Valid, 12666 SdHoareTripleChecker+Invalid, 15050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:17,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14619 Valid, 12666 Invalid, 15050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7358 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2021-12-18 16:23:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11764 states. [2021-12-18 16:23:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11764 to 11764. [2021-12-18 16:23:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11764 states, 8115 states have (on average 1.3025261860751693) internal successors, (10570), 8354 states have internal predecessors, (10570), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:23:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 11764 states and 16920 transitions. [2021-12-18 16:23:17,577 INFO L78 Accepts]: Start accepts. Automaton has 11764 states and 16920 transitions. Word has length 108 [2021-12-18 16:23:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:17,579 INFO L470 AbstractCegarLoop]: Abstraction has 11764 states and 16920 transitions. [2021-12-18 16:23:17,579 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, (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) [2021-12-18 16:23:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11764 states and 16920 transitions. [2021-12-18 16:23:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-18 16:23:17,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:17,581 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:23:17,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 16:23:17,581 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:23:17,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2037624046, now seen corresponding path program 1 times [2021-12-18 16:23:17,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:17,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101480245] [2021-12-18 16:23:17,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:17,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:23:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:23:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:23:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:23:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:23:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:23:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:23:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:23:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:23:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:23:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:23:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:23:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:23:18,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101480245] [2021-12-18 16:23:18,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101480245] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:18,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:23:18,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:23:18,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159927490] [2021-12-18 16:23:18,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:18,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:23:18,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:23:18,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:23:18,070 INFO L87 Difference]: Start difference. First operand 11764 states and 16920 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, (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) [2021-12-18 16:23:33,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:33,305 INFO L93 Difference]: Finished difference Result 11764 states and 16920 transitions. [2021-12-18 16:23:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:23:33,306 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2021-12-18 16:23:33,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:33,342 INFO L225 Difference]: With dead ends: 11764 [2021-12-18 16:23:33,342 INFO L226 Difference]: Without dead ends: 11762 [2021-12-18 16:23:33,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:23:33,349 INFO L933 BasicCegarLoop]: 7330 mSDtfsCounter, 14208 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7356 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14614 SdHoareTripleChecker+Valid, 12664 SdHoareTripleChecker+Invalid, 15048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:33,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14614 Valid, 12664 Invalid, 15048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7356 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-12-18 16:23:33,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2021-12-18 16:23:33,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 11762. [2021-12-18 16:23:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11762 states, 8114 states have (on average 1.3024402267685482) internal successors, (10568), 8352 states have internal predecessors, (10568), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:23:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11762 states to 11762 states and 16918 transitions. [2021-12-18 16:23:33,818 INFO L78 Accepts]: Start accepts. Automaton has 11762 states and 16918 transitions. Word has length 114 [2021-12-18 16:23:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:33,818 INFO L470 AbstractCegarLoop]: Abstraction has 11762 states and 16918 transitions. [2021-12-18 16:23:33,819 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, (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) [2021-12-18 16:23:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11762 states and 16918 transitions. [2021-12-18 16:23:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-18 16:23:33,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:33,820 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:23:33,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 16:23:33,820 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:23:33,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:33,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1101502482, now seen corresponding path program 1 times [2021-12-18 16:23:33,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:33,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748111636] [2021-12-18 16:23:33,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:23:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:23:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:23:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:23:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:23:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:23:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:23:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:23:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:23:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:23:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:23:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:23:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:23:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:23:34,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:34,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748111636] [2021-12-18 16:23:34,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748111636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:34,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:23:34,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:23:34,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814443678] [2021-12-18 16:23:34,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:34,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:23:34,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:23:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:23:34,312 INFO L87 Difference]: Start difference. First operand 11762 states and 16918 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, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 16:23:36,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:23:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:50,944 INFO L93 Difference]: Finished difference Result 11762 states and 16918 transitions. [2021-12-18 16:23:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:23:50,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2021-12-18 16:23:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:50,980 INFO L225 Difference]: With dead ends: 11762 [2021-12-18 16:23:50,980 INFO L226 Difference]: Without dead ends: 11760 [2021-12-18 16:23:50,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:23:50,986 INFO L933 BasicCegarLoop]: 7328 mSDtfsCounter, 14202 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7353 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14607 SdHoareTripleChecker+Valid, 12662 SdHoareTripleChecker+Invalid, 15046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:50,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14607 Valid, 12662 Invalid, 15046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7353 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2021-12-18 16:23:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11760 states. [2021-12-18 16:23:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11760 to 11760. [2021-12-18 16:23:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11760 states, 8113 states have (on average 1.3023542462714162) internal successors, (10566), 8350 states have internal predecessors, (10566), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:23:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 11760 states and 16916 transitions. [2021-12-18 16:23:51,462 INFO L78 Accepts]: Start accepts. Automaton has 11760 states and 16916 transitions. Word has length 120 [2021-12-18 16:23:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:51,462 INFO L470 AbstractCegarLoop]: Abstraction has 11760 states and 16916 transitions. [2021-12-18 16:23:51,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 16:23:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 11760 states and 16916 transitions. [2021-12-18 16:23:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 16:23:51,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:51,466 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:23:51,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 16:23:51,466 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:23:51,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:51,466 INFO L85 PathProgramCache]: Analyzing trace with hash -268065326, now seen corresponding path program 1 times [2021-12-18 16:23:51,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:51,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855440682] [2021-12-18 16:23:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:51,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:23:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:23:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:23:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:23:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:23:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:23:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:23:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:23:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:23:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:23:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:23:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:23:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:23:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:23:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:23:51,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:51,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855440682] [2021-12-18 16:23:51,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855440682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:51,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:23:51,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:23:51,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132721374] [2021-12-18 16:23:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:51,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:23:51,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:23:51,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:23:51,886 INFO L87 Difference]: Start difference. First operand 11760 states and 16916 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 16:23:53,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:24:08,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:24:08,705 INFO L93 Difference]: Finished difference Result 11760 states and 16916 transitions. [2021-12-18 16:24:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:24:08,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2021-12-18 16:24:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:24:08,742 INFO L225 Difference]: With dead ends: 11760 [2021-12-18 16:24:08,742 INFO L226 Difference]: Without dead ends: 11758 [2021-12-18 16:24:08,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:24:08,747 INFO L933 BasicCegarLoop]: 7326 mSDtfsCounter, 14196 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7352 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14600 SdHoareTripleChecker+Valid, 12660 SdHoareTripleChecker+Invalid, 15044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:24:08,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14600 Valid, 12660 Invalid, 15044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7352 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2021-12-18 16:24:08,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2021-12-18 16:24:09,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 11758. [2021-12-18 16:24:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11758 states, 8112 states have (on average 1.3022682445759368) internal successors, (10564), 8348 states have internal predecessors, (10564), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-18 16:24:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11758 states to 11758 states and 16914 transitions. [2021-12-18 16:24:09,220 INFO L78 Accepts]: Start accepts. Automaton has 11758 states and 16914 transitions. Word has length 126 [2021-12-18 16:24:09,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:24:09,220 INFO L470 AbstractCegarLoop]: Abstraction has 11758 states and 16914 transitions. [2021-12-18 16:24:09,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 16:24:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11758 states and 16914 transitions. [2021-12-18 16:24:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-18 16:24:09,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:24:09,222 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:24:09,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 16:24:09,222 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:24:09,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:24:09,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1292260816, now seen corresponding path program 1 times [2021-12-18 16:24:09,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:24:09,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219111480] [2021-12-18 16:24:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:24:09,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:24:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:24:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:24:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:24:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:24:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:24:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:24:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:24:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:24:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:24:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:24:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:24:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:24:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:24:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:24:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:24:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:24:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:24:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:24:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:24:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:24:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:24:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:24:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:24:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-18 16:24:09,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:24:09,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219111480] [2021-12-18 16:24:09,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219111480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:24:09,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:24:09,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 16:24:09,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890483799] [2021-12-18 16:24:09,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:24:09,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:24:09,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:24:09,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:24:09,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 16:24:09,818 INFO L87 Difference]: Start difference. First operand 11758 states and 16914 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 16:24:12,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:24:14,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:24:16,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:24:27,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:24:57,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:24:57,421 INFO L93 Difference]: Finished difference Result 18467 states and 26840 transitions. [2021-12-18 16:24:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 16:24:57,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2021-12-18 16:24:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:24:57,480 INFO L225 Difference]: With dead ends: 18467 [2021-12-18 16:24:57,480 INFO L226 Difference]: Without dead ends: 18465 [2021-12-18 16:24:57,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-12-18 16:24:57,492 INFO L933 BasicCegarLoop]: 8951 mSDtfsCounter, 17515 mSDsluCounter, 12144 mSDsCounter, 0 mSdLazyCounter, 29101 mSolverCounterSat, 12877 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17782 SdHoareTripleChecker+Valid, 21095 SdHoareTripleChecker+Invalid, 41982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12877 IncrementalHoareTripleChecker+Valid, 29101 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:24:57,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17782 Valid, 21095 Invalid, 41982 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12877 Valid, 29101 Invalid, 4 Unknown, 0 Unchecked, 46.2s Time] [2021-12-18 16:24:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18465 states. [2021-12-18 16:24:58,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18465 to 17871. [2021-12-18 16:24:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17871 states, 12283 states have (on average 1.2890173410404624) internal successors, (15833), 12630 states have internal predecessors, (15833), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-18 16:24:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17871 states to 17871 states and 25681 transitions. [2021-12-18 16:24:58,339 INFO L78 Accepts]: Start accepts. Automaton has 17871 states and 25681 transitions. Word has length 170 [2021-12-18 16:24:58,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:24:58,340 INFO L470 AbstractCegarLoop]: Abstraction has 17871 states and 25681 transitions. [2021-12-18 16:24:58,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 16:24:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 17871 states and 25681 transitions. [2021-12-18 16:24:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 16:24:58,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:24:58,342 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:24:58,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 16:24:58,342 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:24:58,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:24:58,342 INFO L85 PathProgramCache]: Analyzing trace with hash -404148982, now seen corresponding path program 1 times [2021-12-18 16:24:58,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:24:58,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815120958] [2021-12-18 16:24:58,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:24:58,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:24:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:24:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:24:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:24:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:24:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:24:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:24:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:24:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:24:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:24:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:24:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:24:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:24:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:24:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:24:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:24:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:24:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:24:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:24:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:24:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:24:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:24:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:24:58,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:24:58,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815120958] [2021-12-18 16:24:58,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815120958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:24:58,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:24:58,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:24:58,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951101439] [2021-12-18 16:24:58,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:24:58,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:24:58,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:24:58,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:24:58,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:24:58,776 INFO L87 Difference]: Start difference. First operand 17871 states and 25681 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 16:25:00,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:25:14,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:25:14,636 INFO L93 Difference]: Finished difference Result 17871 states and 25681 transitions. [2021-12-18 16:25:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:25:14,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2021-12-18 16:25:14,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:25:14,693 INFO L225 Difference]: With dead ends: 17871 [2021-12-18 16:25:14,694 INFO L226 Difference]: Without dead ends: 17869 [2021-12-18 16:25:14,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:25:14,705 INFO L933 BasicCegarLoop]: 7324 mSDtfsCounter, 14190 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7350 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14593 SdHoareTripleChecker+Valid, 12658 SdHoareTripleChecker+Invalid, 15042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:25:14,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14593 Valid, 12658 Invalid, 15042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7350 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2021-12-18 16:25:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17869 states. [2021-12-18 16:25:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17869 to 17869. [2021-12-18 16:25:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17869 states, 12282 states have (on average 1.2889594528578407) internal successors, (15831), 12628 states have internal predecessors, (15831), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-18 16:25:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17869 states to 17869 states and 25679 transitions. [2021-12-18 16:25:15,506 INFO L78 Accepts]: Start accepts. Automaton has 17869 states and 25679 transitions. Word has length 132 [2021-12-18 16:25:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:25:15,507 INFO L470 AbstractCegarLoop]: Abstraction has 17869 states and 25679 transitions. [2021-12-18 16:25:15,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 16:25:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 17869 states and 25679 transitions. [2021-12-18 16:25:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 16:25:15,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:25:15,509 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:25:15,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 16:25:15,509 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:25:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:25:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2084265525, now seen corresponding path program 1 times [2021-12-18 16:25:15,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:25:15,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605476953] [2021-12-18 16:25:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:25:15,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:25:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:25:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:25:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:25:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:25:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:25:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:25:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:25:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:25:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:25:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:25:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:25:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:25:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:25:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:25:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:25:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:25:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:25:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:25:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:25:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:25:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:25:16,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:25:16,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605476953] [2021-12-18 16:25:16,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605476953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:25:16,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:25:16,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:25:16,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522942805] [2021-12-18 16:25:16,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:25:16,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:25:16,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:25:16,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:25:16,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:25:16,012 INFO L87 Difference]: Start difference. First operand 17869 states and 25679 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 16:25:31,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:25:31,004 INFO L93 Difference]: Finished difference Result 17869 states and 25679 transitions. [2021-12-18 16:25:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:25:31,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2021-12-18 16:25:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:25:31,053 INFO L225 Difference]: With dead ends: 17869 [2021-12-18 16:25:31,053 INFO L226 Difference]: Without dead ends: 17867 [2021-12-18 16:25:31,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:25:31,062 INFO L933 BasicCegarLoop]: 7322 mSDtfsCounter, 14184 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7348 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14586 SdHoareTripleChecker+Valid, 12656 SdHoareTripleChecker+Invalid, 15040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:25:31,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14586 Valid, 12656 Invalid, 15040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7348 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2021-12-18 16:25:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17867 states. [2021-12-18 16:25:31,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17867 to 17867. [2021-12-18 16:25:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17867 states, 12281 states have (on average 1.288901555247944) internal successors, (15829), 12626 states have internal predecessors, (15829), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-18 16:25:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17867 states to 17867 states and 25677 transitions. [2021-12-18 16:25:31,892 INFO L78 Accepts]: Start accepts. Automaton has 17867 states and 25677 transitions. Word has length 138 [2021-12-18 16:25:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:25:31,895 INFO L470 AbstractCegarLoop]: Abstraction has 17867 states and 25677 transitions. [2021-12-18 16:25:31,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 16:25:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 17867 states and 25677 transitions. [2021-12-18 16:25:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-18 16:25:31,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:25:31,897 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:25:31,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 16:25:31,897 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:25:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:25:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1336964352, now seen corresponding path program 1 times [2021-12-18 16:25:31,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:25:31,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938516299] [2021-12-18 16:25:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:25:31,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:25:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:25:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:25:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:25:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:25:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:25:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:25:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:25:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:25:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:25:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:25:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:25:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:25:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:25:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:25:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:25:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:25:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:25:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:25:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:25:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:25:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:25:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:25:32,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:25:32,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938516299] [2021-12-18 16:25:32,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938516299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:25:32,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:25:32,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:25:32,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543903256] [2021-12-18 16:25:32,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:25:32,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:25:32,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:25:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:25:32,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:25:32,284 INFO L87 Difference]: Start difference. First operand 17867 states and 25677 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:25:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:25:48,065 INFO L93 Difference]: Finished difference Result 17867 states and 25677 transitions. [2021-12-18 16:25:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:25:48,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2021-12-18 16:25:48,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:25:48,129 INFO L225 Difference]: With dead ends: 17867 [2021-12-18 16:25:48,129 INFO L226 Difference]: Without dead ends: 17865 [2021-12-18 16:25:48,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:25:48,137 INFO L933 BasicCegarLoop]: 7320 mSDtfsCounter, 14178 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7346 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14579 SdHoareTripleChecker+Valid, 12654 SdHoareTripleChecker+Invalid, 15038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:25:48,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14579 Valid, 12654 Invalid, 15038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7346 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2021-12-18 16:25:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17865 states. [2021-12-18 16:25:48,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17865 to 17865. [2021-12-18 16:25:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17865 states, 12280 states have (on average 1.288843648208469) internal successors, (15827), 12624 states have internal predecessors, (15827), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-18 16:25:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17865 states to 17865 states and 25675 transitions. [2021-12-18 16:25:49,000 INFO L78 Accepts]: Start accepts. Automaton has 17865 states and 25675 transitions. Word has length 144 [2021-12-18 16:25:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:25:49,000 INFO L470 AbstractCegarLoop]: Abstraction has 17865 states and 25675 transitions. [2021-12-18 16:25:49,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:25:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 17865 states and 25675 transitions. [2021-12-18 16:25:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-18 16:25:49,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:25:49,003 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:25:49,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 16:25:49,003 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:25:49,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:25:49,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1327290053, now seen corresponding path program 1 times [2021-12-18 16:25:49,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:25:49,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58688808] [2021-12-18 16:25:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:25:49,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:25:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:25:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:25:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:25:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:25:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:25:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:25:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:25:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:25:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:25:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:25:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:25:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:25:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:25:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:25:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:25:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 16:25:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:25:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:25:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 16:25:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-18 16:25:49,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:25:49,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58688808] [2021-12-18 16:25:49,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58688808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:25:49,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:25:49,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 16:25:49,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647510976] [2021-12-18 16:25:49,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:25:49,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:25:49,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:25:49,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:25:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:25:49,554 INFO L87 Difference]: Start difference. First operand 17865 states and 25675 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 16:25:52,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:25:54,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:26:08,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:26:10,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:26:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:26:45,064 INFO L93 Difference]: Finished difference Result 20772 states and 30772 transitions. [2021-12-18 16:26:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 16:26:45,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2021-12-18 16:26:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:26:45,126 INFO L225 Difference]: With dead ends: 20772 [2021-12-18 16:26:45,126 INFO L226 Difference]: Without dead ends: 20770 [2021-12-18 16:26:45,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-12-18 16:26:45,135 INFO L933 BasicCegarLoop]: 9454 mSDtfsCounter, 23431 mSDsluCounter, 13238 mSDsCounter, 0 mSdLazyCounter, 34185 mSolverCounterSat, 18761 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23499 SdHoareTripleChecker+Valid, 22692 SdHoareTripleChecker+Invalid, 52950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 18761 IncrementalHoareTripleChecker+Valid, 34185 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:26:45,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23499 Valid, 22692 Invalid, 52950 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [18761 Valid, 34185 Invalid, 4 Unknown, 0 Unchecked, 53.6s Time] [2021-12-18 16:26:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20770 states. [2021-12-18 16:26:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20770 to 19170. [2021-12-18 16:26:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19170 states, 13199 states have (on average 1.2893401015228427) internal successors, (17018), 13575 states have internal predecessors, (17018), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-18 16:26:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19170 states to 19170 states and 27860 transitions. [2021-12-18 16:26:46,133 INFO L78 Accepts]: Start accepts. Automaton has 19170 states and 27860 transitions. Word has length 192 [2021-12-18 16:26:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:26:46,133 INFO L470 AbstractCegarLoop]: Abstraction has 19170 states and 27860 transitions. [2021-12-18 16:26:46,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 16:26:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19170 states and 27860 transitions. [2021-12-18 16:26:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-18 16:26:46,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:26:46,136 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:26:46,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 16:26:46,136 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:26:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:26:46,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1317214665, now seen corresponding path program 1 times [2021-12-18 16:26:46,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:26:46,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774252813] [2021-12-18 16:26:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:26:46,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:26:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:26:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:26:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:26:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:26:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:26:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:26:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:26:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:26:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:26:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:26:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:26:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:26:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:26:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:26:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:26:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:26:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:26:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:26:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:26:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:26:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:26:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:26:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:26:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:26:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:26:46,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:26:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774252813] [2021-12-18 16:26:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774252813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:26:46,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:26:46,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:26:46,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499588256] [2021-12-18 16:26:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:26:46,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:26:46,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:26:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:26:46,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:26:46,679 INFO L87 Difference]: Start difference. First operand 19170 states and 27860 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 16:27:02,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:27:02,632 INFO L93 Difference]: Finished difference Result 19170 states and 27860 transitions. [2021-12-18 16:27:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:27:02,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2021-12-18 16:27:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:27:02,680 INFO L225 Difference]: With dead ends: 19170 [2021-12-18 16:27:02,680 INFO L226 Difference]: Without dead ends: 19168 [2021-12-18 16:27:02,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:27:02,688 INFO L933 BasicCegarLoop]: 7318 mSDtfsCounter, 14172 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7344 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14572 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 15036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:27:02,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14572 Valid, 12652 Invalid, 15036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7344 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2021-12-18 16:27:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19168 states. [2021-12-18 16:27:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19168 to 19168. [2021-12-18 16:27:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19168 states, 13198 states have (on average 1.2892862554932565) internal successors, (17016), 13573 states have internal predecessors, (17016), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-18 16:27:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19168 states to 19168 states and 27858 transitions. [2021-12-18 16:27:03,605 INFO L78 Accepts]: Start accepts. Automaton has 19168 states and 27858 transitions. Word has length 150 [2021-12-18 16:27:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:27:03,606 INFO L470 AbstractCegarLoop]: Abstraction has 19168 states and 27858 transitions. [2021-12-18 16:27:03,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 16:27:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 19168 states and 27858 transitions. [2021-12-18 16:27:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 16:27:03,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:27:03,608 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:27:03,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 16:27:03,609 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:27:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:27:03,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1358635418, now seen corresponding path program 1 times [2021-12-18 16:27:03,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:27:03,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515497200] [2021-12-18 16:27:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:27:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:27:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:27:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:27:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:27:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:27:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:27:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:27:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:27:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:27:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:27:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:27:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:27:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:27:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:27:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:27:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:27:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:27:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:27:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:27:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:27:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:27:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:27:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:27:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:27:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:27:04,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:27:04,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515497200] [2021-12-18 16:27:04,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515497200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:27:04,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:27:04,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:27:04,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158152540] [2021-12-18 16:27:04,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:27:04,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:27:04,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:27:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:27:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:27:04,007 INFO L87 Difference]: Start difference. First operand 19168 states and 27858 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 16:27:05,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:27:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:27:20,899 INFO L93 Difference]: Finished difference Result 19168 states and 27858 transitions. [2021-12-18 16:27:20,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:27:20,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-12-18 16:27:20,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:27:20,944 INFO L225 Difference]: With dead ends: 19168 [2021-12-18 16:27:20,944 INFO L226 Difference]: Without dead ends: 19166 [2021-12-18 16:27:20,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:27:20,951 INFO L933 BasicCegarLoop]: 7316 mSDtfsCounter, 14166 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7342 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14565 SdHoareTripleChecker+Valid, 12650 SdHoareTripleChecker+Invalid, 15034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:27:20,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14565 Valid, 12650 Invalid, 15034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7342 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2021-12-18 16:27:20,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19166 states. [2021-12-18 16:27:21,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19166 to 19166. [2021-12-18 16:27:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19166 states, 13197 states have (on average 1.2892324013033265) internal successors, (17014), 13571 states have internal predecessors, (17014), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-18 16:27:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19166 states to 19166 states and 27856 transitions. [2021-12-18 16:27:21,874 INFO L78 Accepts]: Start accepts. Automaton has 19166 states and 27856 transitions. Word has length 156 [2021-12-18 16:27:21,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:27:21,875 INFO L470 AbstractCegarLoop]: Abstraction has 19166 states and 27856 transitions. [2021-12-18 16:27:21,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 16:27:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 19166 states and 27856 transitions. [2021-12-18 16:27:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-18 16:27:21,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:27:21,879 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:27:21,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 16:27:21,879 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:27:21,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:27:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 770432976, now seen corresponding path program 1 times [2021-12-18 16:27:21,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:27:21,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689539947] [2021-12-18 16:27:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:27:21,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:27:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:27:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:27:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:27:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:27:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:27:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:27:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:27:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:27:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:27:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:27:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:27:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 16:27:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 16:27:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:27:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 16:27:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 16:27:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-18 16:27:22,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:27:22,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689539947] [2021-12-18 16:27:22,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689539947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:27:22,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:27:22,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 16:27:22,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486934425] [2021-12-18 16:27:22,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:27:22,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:27:22,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:27:22,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:27:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-18 16:27:22,517 INFO L87 Difference]: Start difference. First operand 19166 states and 27856 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:27:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:27:56,392 INFO L93 Difference]: Finished difference Result 39567 states and 59518 transitions. [2021-12-18 16:27:56,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 16:27:56,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 177 [2021-12-18 16:27:56,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:27:56,469 INFO L225 Difference]: With dead ends: 39567 [2021-12-18 16:27:56,470 INFO L226 Difference]: Without dead ends: 20420 [2021-12-18 16:27:56,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-12-18 16:27:56,529 INFO L933 BasicCegarLoop]: 7145 mSDtfsCounter, 11139 mSDsluCounter, 9744 mSDsCounter, 0 mSdLazyCounter, 18324 mSolverCounterSat, 9808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11139 SdHoareTripleChecker+Valid, 16889 SdHoareTripleChecker+Invalid, 28132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9808 IncrementalHoareTripleChecker+Valid, 18324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:27:56,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11139 Valid, 16889 Invalid, 28132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9808 Valid, 18324 Invalid, 0 Unknown, 0 Unchecked, 32.1s Time] [2021-12-18 16:27:56,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20420 states. [2021-12-18 16:27:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20420 to 19180. [2021-12-18 16:27:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19180 states, 13209 states have (on average 1.2889696419108183) internal successors, (17026), 13585 states have internal predecessors, (17026), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-18 16:27:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19180 states to 19180 states and 27870 transitions. [2021-12-18 16:27:57,525 INFO L78 Accepts]: Start accepts. Automaton has 19180 states and 27870 transitions. Word has length 177 [2021-12-18 16:27:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:27:57,526 INFO L470 AbstractCegarLoop]: Abstraction has 19180 states and 27870 transitions. [2021-12-18 16:27:57,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:27:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 19180 states and 27870 transitions. [2021-12-18 16:27:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 16:27:57,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:27:57,528 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:27:57,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 16:27:57,529 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:27:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:27:57,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1886482122, now seen corresponding path program 1 times [2021-12-18 16:27:57,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:27:57,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666589317] [2021-12-18 16:27:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:27:57,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:27:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:27:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:27:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:27:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:27:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:27:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:27:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:27:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:27:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:27:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:27:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:27:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:27:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:27:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:27:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:27:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:27:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:27:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:27:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:27:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:27:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:27:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:27:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:27:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:27:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:27:57,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:27:57,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666589317] [2021-12-18 16:27:57,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666589317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:27:57,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:27:57,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:27:57,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419967142] [2021-12-18 16:27:57,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:27:57,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:27:57,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:27:57,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:27:57,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:27:57,958 INFO L87 Difference]: Start difference. First operand 19180 states and 27870 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 16:28:00,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:28:16,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:28:16,410 INFO L93 Difference]: Finished difference Result 19180 states and 27870 transitions. [2021-12-18 16:28:16,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:28:16,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-12-18 16:28:16,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:28:16,475 INFO L225 Difference]: With dead ends: 19180 [2021-12-18 16:28:16,475 INFO L226 Difference]: Without dead ends: 19178 [2021-12-18 16:28:16,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:28:16,487 INFO L933 BasicCegarLoop]: 7314 mSDtfsCounter, 14160 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7340 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14558 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 15032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:28:16,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14558 Valid, 12648 Invalid, 15032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7340 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2021-12-18 16:28:16,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19178 states. [2021-12-18 16:28:17,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19178 to 19178. [2021-12-18 16:28:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19178 states, 13208 states have (on average 1.2889158086008479) internal successors, (17024), 13583 states have internal predecessors, (17024), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-18 16:28:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19178 states to 19178 states and 27868 transitions. [2021-12-18 16:28:17,474 INFO L78 Accepts]: Start accepts. Automaton has 19178 states and 27868 transitions. Word has length 162 [2021-12-18 16:28:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:28:17,475 INFO L470 AbstractCegarLoop]: Abstraction has 19178 states and 27868 transitions. [2021-12-18 16:28:17,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 16:28:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 19178 states and 27868 transitions. [2021-12-18 16:28:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-18 16:28:17,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:28:17,478 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:28:17,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 16:28:17,479 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:28:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:28:17,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1650500194, now seen corresponding path program 1 times [2021-12-18 16:28:17,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:28:17,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141863646] [2021-12-18 16:28:17,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:28:17,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:28:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:28:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:28:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:28:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:28:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:28:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:28:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:28:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:28:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:28:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:28:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:28:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:28:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:28:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:28:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:28:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:28:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:28:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:28:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:28:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:28:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:28:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:28:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:28:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:28:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:28:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:28:18,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:28:18,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141863646] [2021-12-18 16:28:18,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141863646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:28:18,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:28:18,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:28:18,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116657665] [2021-12-18 16:28:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:28:18,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:28:18,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:28:18,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:28:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:28:18,042 INFO L87 Difference]: Start difference. First operand 19178 states and 27868 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 16:28:21,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:28:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:28:37,457 INFO L93 Difference]: Finished difference Result 19178 states and 27868 transitions. [2021-12-18 16:28:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:28:37,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-12-18 16:28:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:28:37,510 INFO L225 Difference]: With dead ends: 19178 [2021-12-18 16:28:37,510 INFO L226 Difference]: Without dead ends: 19176 [2021-12-18 16:28:37,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:28:37,518 INFO L933 BasicCegarLoop]: 7312 mSDtfsCounter, 14154 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7337 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14551 SdHoareTripleChecker+Valid, 12646 SdHoareTripleChecker+Invalid, 15030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:28:37,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14551 Valid, 12646 Invalid, 15030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7337 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2021-12-18 16:28:37,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19176 states. [2021-12-18 16:28:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19176 to 19176. [2021-12-18 16:28:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19176 states, 13207 states have (on average 1.2888619671386385) internal successors, (17022), 13581 states have internal predecessors, (17022), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-18 16:28:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19176 states to 19176 states and 27866 transitions. [2021-12-18 16:28:38,477 INFO L78 Accepts]: Start accepts. Automaton has 19176 states and 27866 transitions. Word has length 168 [2021-12-18 16:28:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:28:38,478 INFO L470 AbstractCegarLoop]: Abstraction has 19176 states and 27866 transitions. [2021-12-18 16:28:38,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 16:28:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 19176 states and 27866 transitions. [2021-12-18 16:28:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-18 16:28:38,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:28:38,482 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:28:38,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 16:28:38,482 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:28:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:28:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1514043340, now seen corresponding path program 1 times [2021-12-18 16:28:38,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:28:38,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419602856] [2021-12-18 16:28:38,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:28:38,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:28:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:28:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:28:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:28:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:28:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:28:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:28:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:28:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:28:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:28:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:28:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:28:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:28:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:28:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:28:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:28:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:28:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 16:28:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 16:28:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:28:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 16:28:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 16:28:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 16:28:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 16:28:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 16:28:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 16:28:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 16:28:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:28:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:28:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 16:28:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-12-18 16:28:40,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:28:40,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419602856] [2021-12-18 16:28:40,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419602856] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:28:40,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779988083] [2021-12-18 16:28:40,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:28:40,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:28:40,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:28:40,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:28:40,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 16:28:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:42,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 9175 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-18 16:28:42,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:28:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-18 16:28:42,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:28:42,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779988083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:28:42,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:28:42,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2021-12-18 16:28:42,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797626860] [2021-12-18 16:28:42,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:28:42,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:28:42,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:28:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:28:42,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-12-18 16:28:42,611 INFO L87 Difference]: Start difference. First operand 19176 states and 27866 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 16:28:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:28:50,724 INFO L93 Difference]: Finished difference Result 38361 states and 56657 transitions. [2021-12-18 16:28:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:28:50,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 212 [2021-12-18 16:28:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:28:50,857 INFO L225 Difference]: With dead ends: 38361 [2021-12-18 16:28:50,857 INFO L226 Difference]: Without dead ends: 19196 [2021-12-18 16:28:50,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-12-18 16:28:50,903 INFO L933 BasicCegarLoop]: 8448 mSDtfsCounter, 2 mSDsluCounter, 14845 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23293 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1038 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:28:50,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 23293 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 0 Unknown, 1038 Unchecked, 7.0s Time] [2021-12-18 16:28:50,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19196 states. [2021-12-18 16:28:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19196 to 19196. [2021-12-18 16:28:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19196 states, 13219 states have (on average 1.2885997427944624) internal successors, (17034), 13593 states have internal predecessors, (17034), 4835 states have call successors, (4835), 969 states have call predecessors, (4835), 1134 states have return successors, (6033), 4869 states have call predecessors, (6033), 4833 states have call successors, (6033) [2021-12-18 16:28:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19196 states to 19196 states and 27902 transitions. [2021-12-18 16:28:51,892 INFO L78 Accepts]: Start accepts. Automaton has 19196 states and 27902 transitions. Word has length 212 [2021-12-18 16:28:51,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:28:51,892 INFO L470 AbstractCegarLoop]: Abstraction has 19196 states and 27902 transitions. [2021-12-18 16:28:51,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 16:28:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 19196 states and 27902 transitions. [2021-12-18 16:28:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 16:28:51,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:28:51,896 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:28:51,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 16:28:52,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-18 16:28:52,111 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:28:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:28:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash -920803228, now seen corresponding path program 1 times [2021-12-18 16:28:52,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:28:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156374751] [2021-12-18 16:28:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:28:52,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:28:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:28:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:28:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:28:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:28:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:28:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:28:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:28:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:28:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:28:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:28:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:28:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:28:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:28:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:28:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:28:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:28:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 16:28:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 16:28:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:28:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 16:28:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 16:28:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:28:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 16:28:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 16:28:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 16:28:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 16:28:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:28:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:28:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:28:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 16:28:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-12-18 16:28:53,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:28:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156374751] [2021-12-18 16:28:53,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156374751] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:28:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732893863] [2021-12-18 16:28:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:28:53,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:28:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:28:53,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:28:53,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 16:28:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:28:55,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 9187 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 16:28:55,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:28:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-18 16:28:55,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:28:55,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732893863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:28:55,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:28:55,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [14] total 25 [2021-12-18 16:28:55,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310260038] [2021-12-18 16:28:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:28:55,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 16:28:55,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:28:55,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 16:28:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2021-12-18 16:28:55,936 INFO L87 Difference]: Start difference. First operand 19196 states and 27902 transitions. Second operand has 15 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) [2021-12-18 16:28:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:28:58,992 INFO L93 Difference]: Finished difference Result 39290 states and 57290 transitions. [2021-12-18 16:28:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 16:28:58,992 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) Word has length 213 [2021-12-18 16:28:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:28:59,063 INFO L225 Difference]: With dead ends: 39290 [2021-12-18 16:28:59,064 INFO L226 Difference]: Without dead ends: 21510 [2021-12-18 16:28:59,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2021-12-18 16:28:59,116 INFO L933 BasicCegarLoop]: 10111 mSDtfsCounter, 5760 mSDsluCounter, 123434 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 2315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5760 SdHoareTripleChecker+Valid, 133545 SdHoareTripleChecker+Invalid, 3272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2315 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:28:59,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5760 Valid, 133545 Invalid, 3272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2315 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 16:28:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21510 states. [2021-12-18 16:29:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21510 to 19230. [2021-12-18 16:29:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 13243 states have (on average 1.2880767197764857) internal successors, (17058), 13617 states have internal predecessors, (17058), 4843 states have call successors, (4843), 969 states have call predecessors, (4843), 1136 states have return successors, (6045), 4879 states have call predecessors, (6045), 4841 states have call successors, (6045) [2021-12-18 16:29:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 27946 transitions. [2021-12-18 16:29:00,396 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 27946 transitions. Word has length 213 [2021-12-18 16:29:00,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:29:00,396 INFO L470 AbstractCegarLoop]: Abstraction has 19230 states and 27946 transitions. [2021-12-18 16:29:00,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) [2021-12-18 16:29:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 27946 transitions. [2021-12-18 16:29:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 16:29:00,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:29:00,398 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:29:00,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 16:29:00,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:29:00,601 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:29:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:29:00,601 INFO L85 PathProgramCache]: Analyzing trace with hash -76406922, now seen corresponding path program 1 times [2021-12-18 16:29:00,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:29:00,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823428354] [2021-12-18 16:29:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:29:00,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:29:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:29:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:29:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:29:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:29:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:29:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:29:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:29:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:29:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:29:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:29:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:29:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:29:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:29:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:29:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:29:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:29:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:29:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:29:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:29:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:29:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:29:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:29:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:29:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:29:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:29:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 16:29:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:29:00,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:29:00,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823428354] [2021-12-18 16:29:00,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823428354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:29:00,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:29:00,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:29:00,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325511257] [2021-12-18 16:29:00,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:29:00,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:29:00,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:29:00,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:29:00,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:29:00,995 INFO L87 Difference]: Start difference. First operand 19230 states and 27946 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:29:03,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:29:20,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:29:20,380 INFO L93 Difference]: Finished difference Result 19230 states and 27946 transitions. [2021-12-18 16:29:20,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:29:20,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-12-18 16:29:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:29:20,438 INFO L225 Difference]: With dead ends: 19230 [2021-12-18 16:29:20,438 INFO L226 Difference]: Without dead ends: 19228 [2021-12-18 16:29:20,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:29:20,452 INFO L933 BasicCegarLoop]: 7310 mSDtfsCounter, 14148 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7335 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14544 SdHoareTripleChecker+Valid, 12644 SdHoareTripleChecker+Invalid, 15028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:29:20,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14544 Valid, 12644 Invalid, 15028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7335 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2021-12-18 16:29:20,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19228 states. [2021-12-18 16:29:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19228 to 19228. [2021-12-18 16:29:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19228 states, 13242 states have (on average 1.288022957257212) internal successors, (17056), 13615 states have internal predecessors, (17056), 4843 states have call successors, (4843), 969 states have call predecessors, (4843), 1136 states have return successors, (6045), 4879 states have call predecessors, (6045), 4841 states have call successors, (6045) [2021-12-18 16:29:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19228 states to 19228 states and 27944 transitions. [2021-12-18 16:29:21,645 INFO L78 Accepts]: Start accepts. Automaton has 19228 states and 27944 transitions. Word has length 174 [2021-12-18 16:29:21,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:29:21,645 INFO L470 AbstractCegarLoop]: Abstraction has 19228 states and 27944 transitions. [2021-12-18 16:29:21,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:29:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 19228 states and 27944 transitions. [2021-12-18 16:29:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-18 16:29:21,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:29:21,647 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:29:21,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-18 16:29:21,647 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:29:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:29:21,648 INFO L85 PathProgramCache]: Analyzing trace with hash 632351726, now seen corresponding path program 1 times [2021-12-18 16:29:21,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:29:21,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059010228] [2021-12-18 16:29:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:29:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:29:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:29:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:29:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:29:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:29:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:29:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:29:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:29:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:29:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:29:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:29:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:29:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:29:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:29:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:29:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:29:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:29:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:29:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:29:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:29:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:29:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:29:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:29:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:29:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:29:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:29:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 16:29:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 16:29:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:29:22,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:29:22,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059010228] [2021-12-18 16:29:22,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059010228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:29:22,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:29:22,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:29:22,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244363219] [2021-12-18 16:29:22,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:29:22,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:29:22,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:29:22,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:29:22,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:29:22,160 INFO L87 Difference]: Start difference. First operand 19228 states and 27944 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 16:29:25,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:29:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:29:41,588 INFO L93 Difference]: Finished difference Result 19228 states and 27944 transitions. [2021-12-18 16:29:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:29:41,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-12-18 16:29:41,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:29:41,723 INFO L225 Difference]: With dead ends: 19228 [2021-12-18 16:29:41,723 INFO L226 Difference]: Without dead ends: 19067 [2021-12-18 16:29:41,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:29:41,731 INFO L933 BasicCegarLoop]: 7309 mSDtfsCounter, 14139 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7335 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14534 SdHoareTripleChecker+Valid, 12643 SdHoareTripleChecker+Invalid, 15028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:29:41,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14534 Valid, 12643 Invalid, 15028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7335 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2021-12-18 16:29:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19067 states. [2021-12-18 16:29:42,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19067 to 19067. [2021-12-18 16:29:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19067 states, 13143 states have (on average 1.2898881533896371) internal successors, (16953), 13513 states have internal predecessors, (16953), 4802 states have call successors, (4802), 949 states have call predecessors, (4802), 1116 states have return successors, (6004), 4840 states have call predecessors, (6004), 4800 states have call successors, (6004) [2021-12-18 16:29:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19067 states to 19067 states and 27759 transitions. [2021-12-18 16:29:42,764 INFO L78 Accepts]: Start accepts. Automaton has 19067 states and 27759 transitions. Word has length 180 [2021-12-18 16:29:42,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:29:42,764 INFO L470 AbstractCegarLoop]: Abstraction has 19067 states and 27759 transitions. [2021-12-18 16:29:42,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 16:29:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 19067 states and 27759 transitions. [2021-12-18 16:29:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-18 16:29:42,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:29:42,767 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:29:42,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-18 16:29:42,767 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:29:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:29:42,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2000930706, now seen corresponding path program 1 times [2021-12-18 16:29:42,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:29:42,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433615147] [2021-12-18 16:29:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:29:42,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:29:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:29:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:29:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:29:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:29:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:29:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:29:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:29:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:29:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:29:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:29:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:29:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:29:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:29:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:29:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:29:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:29:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:29:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:29:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:29:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:29:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:29:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:29:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:29:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:29:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:29:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:29:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 16:29:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:29:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 16:29:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 16:29:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:29:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:29:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-18 16:29:43,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:29:43,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433615147] [2021-12-18 16:29:43,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433615147] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:29:43,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:29:43,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 16:29:43,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373729388] [2021-12-18 16:29:43,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:29:43,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 16:29:43,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:29:43,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 16:29:43,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:29:43,295 INFO L87 Difference]: Start difference. First operand 19067 states and 27759 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:29:47,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:29:49,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:29:51,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:30:35,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:30:38,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:31:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:31:04,532 INFO L93 Difference]: Finished difference Result 56186 states and 86340 transitions. [2021-12-18 16:31:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 16:31:04,533 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 231 [2021-12-18 16:31:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:31:04,643 INFO L225 Difference]: With dead ends: 56186 [2021-12-18 16:31:04,643 INFO L226 Difference]: Without dead ends: 37138 [2021-12-18 16:31:04,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-18 16:31:04,704 INFO L933 BasicCegarLoop]: 7052 mSDtfsCounter, 24823 mSDsluCounter, 12904 mSDsCounter, 0 mSdLazyCounter, 42482 mSolverCounterSat, 17007 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25162 SdHoareTripleChecker+Valid, 19956 SdHoareTripleChecker+Invalid, 59493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 17007 IncrementalHoareTripleChecker+Valid, 42482 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:31:04,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25162 Valid, 19956 Invalid, 59493 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [17007 Valid, 42482 Invalid, 4 Unknown, 0 Unchecked, 77.7s Time] [2021-12-18 16:31:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37138 states. [2021-12-18 16:31:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37138 to 35058. [2021-12-18 16:31:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35058 states, 24199 states have (on average 1.2888962353816273) internal successors, (31190), 24840 states have internal predecessors, (31190), 8633 states have call successors, (8633), 1819 states have call predecessors, (8633), 2220 states have return successors, (12369), 8781 states have call predecessors, (12369), 8631 states have call successors, (12369) [2021-12-18 16:31:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35058 states to 35058 states and 52192 transitions. [2021-12-18 16:31:06,841 INFO L78 Accepts]: Start accepts. Automaton has 35058 states and 52192 transitions. Word has length 231 [2021-12-18 16:31:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:31:06,841 INFO L470 AbstractCegarLoop]: Abstraction has 35058 states and 52192 transitions. [2021-12-18 16:31:06,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:31:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand 35058 states and 52192 transitions. [2021-12-18 16:31:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-18 16:31:06,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:31:06,843 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:31:06,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-18 16:31:06,844 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:31:06,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:31:06,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2000990288, now seen corresponding path program 1 times [2021-12-18 16:31:06,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:31:06,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447151335] [2021-12-18 16:31:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:31:06,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:31:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:31:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:31:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:31:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:31:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:31:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:31:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:31:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:31:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:31:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:31:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:31:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:31:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:31:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:31:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:31:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:31:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:31:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 16:31:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:31:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 16:31:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 16:31:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:31:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-18 16:31:07,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:31:07,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447151335] [2021-12-18 16:31:07,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447151335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:31:07,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:31:07,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 16:31:07,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633779561] [2021-12-18 16:31:07,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:31:07,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:31:07,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:31:07,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:31:07,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-18 16:31:07,306 INFO L87 Difference]: Start difference. First operand 35058 states and 52192 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-18 16:31:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:31:38,634 INFO L93 Difference]: Finished difference Result 37108 states and 55882 transitions. [2021-12-18 16:31:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 16:31:38,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 231 [2021-12-18 16:31:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:31:38,778 INFO L225 Difference]: With dead ends: 37108 [2021-12-18 16:31:38,778 INFO L226 Difference]: Without dead ends: 37106 [2021-12-18 16:31:38,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-12-18 16:31:38,798 INFO L933 BasicCegarLoop]: 7032 mSDtfsCounter, 10990 mSDsluCounter, 9643 mSDsCounter, 0 mSdLazyCounter, 18059 mSolverCounterSat, 9710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10990 SdHoareTripleChecker+Valid, 16675 SdHoareTripleChecker+Invalid, 27769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9710 IncrementalHoareTripleChecker+Valid, 18059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:31:38,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10990 Valid, 16675 Invalid, 27769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9710 Valid, 18059 Invalid, 0 Unknown, 0 Unchecked, 29.0s Time] [2021-12-18 16:31:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37106 states. [2021-12-18 16:31:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37106 to 35066. [2021-12-18 16:31:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35066 states, 24207 states have (on average 1.2886355186516296) internal successors, (31194), 24848 states have internal predecessors, (31194), 8633 states have call successors, (8633), 1819 states have call predecessors, (8633), 2220 states have return successors, (12369), 8781 states have call predecessors, (12369), 8631 states have call successors, (12369) [2021-12-18 16:31:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35066 states to 35066 states and 52196 transitions. [2021-12-18 16:31:40,947 INFO L78 Accepts]: Start accepts. Automaton has 35066 states and 52196 transitions. Word has length 231 [2021-12-18 16:31:40,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:31:40,948 INFO L470 AbstractCegarLoop]: Abstraction has 35066 states and 52196 transitions. [2021-12-18 16:31:40,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-18 16:31:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 35066 states and 52196 transitions. [2021-12-18 16:31:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-18 16:31:40,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:31:40,951 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:31:40,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-18 16:31:40,951 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:31:40,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:31:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash -60689194, now seen corresponding path program 1 times [2021-12-18 16:31:40,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:31:40,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726193013] [2021-12-18 16:31:40,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:31:40,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:31:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:31:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:31:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:31:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:31:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:31:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:31:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:31:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:31:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:31:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:31:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:31:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:31:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:31:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:31:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:31:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:31:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:31:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:31:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:31:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:31:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 16:31:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:31:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 16:31:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 16:31:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:31:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:31:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-18 16:31:41,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:31:41,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726193013] [2021-12-18 16:31:41,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726193013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:31:41,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:31:41,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:31:41,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387033653] [2021-12-18 16:31:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:31:41,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:31:41,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:31:41,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:31:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:31:41,454 INFO L87 Difference]: Start difference. First operand 35066 states and 52196 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:31:44,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:31:46,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:32:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:32:22,031 INFO L93 Difference]: Finished difference Result 72101 states and 111790 transitions. [2021-12-18 16:32:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:32:22,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 235 [2021-12-18 16:32:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:32:22,197 INFO L225 Difference]: With dead ends: 72101 [2021-12-18 16:32:22,197 INFO L226 Difference]: Without dead ends: 37054 [2021-12-18 16:32:22,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:32:22,446 INFO L933 BasicCegarLoop]: 7028 mSDtfsCounter, 15601 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 11529 mSolverCounterSat, 10524 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15996 SdHoareTripleChecker+Valid, 11487 SdHoareTripleChecker+Invalid, 22055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10524 IncrementalHoareTripleChecker+Valid, 11529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:32:22,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15996 Valid, 11487 Invalid, 22055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10524 Valid, 11529 Invalid, 2 Unknown, 0 Unchecked, 37.4s Time] [2021-12-18 16:32:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37054 states. [2021-12-18 16:32:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37054 to 35048. [2021-12-18 16:32:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35048 states, 24190 states have (on average 1.2881769326167838) internal successors, (31161), 24830 states have internal predecessors, (31161), 8633 states have call successors, (8633), 1819 states have call predecessors, (8633), 2220 states have return successors, (12369), 8781 states have call predecessors, (12369), 8631 states have call successors, (12369) [2021-12-18 16:32:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35048 states to 35048 states and 52163 transitions. [2021-12-18 16:32:24,684 INFO L78 Accepts]: Start accepts. Automaton has 35048 states and 52163 transitions. Word has length 235 [2021-12-18 16:32:24,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:32:24,685 INFO L470 AbstractCegarLoop]: Abstraction has 35048 states and 52163 transitions. [2021-12-18 16:32:24,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 16:32:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 35048 states and 52163 transitions. [2021-12-18 16:32:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-18 16:32:24,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:32:24,689 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:32:24,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-18 16:32:24,689 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:32:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:32:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash -277939671, now seen corresponding path program 1 times [2021-12-18 16:32:24,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:32:24,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81135351] [2021-12-18 16:32:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:32:24,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:32:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:32:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:32:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:32:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:32:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:32:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:32:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:32:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:32:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:32:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:32:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:32:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:32:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:32:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:32:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:32:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 16:32:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 16:32:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 16:32:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 16:32:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:32:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 16:32:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 16:32:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 16:32:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:32:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 16:32:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 16:32:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 16:32:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:32:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 16:32:25,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:32:25,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81135351] [2021-12-18 16:32:25,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81135351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:32:25,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:32:25,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 16:32:25,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429464955] [2021-12-18 16:32:25,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:32:25,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:32:25,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:32:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:32:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:32:25,233 INFO L87 Difference]: Start difference. First operand 35048 states and 52163 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 16:32:29,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:32:31,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:32:33,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15