./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:39:34,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:39:34,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:39:34,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:39:34,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:39:34,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:39:34,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:39:34,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:39:34,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:39:34,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:39:34,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:39:34,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:39:34,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:39:34,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:39:34,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:39:34,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:39:34,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:39:34,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:39:34,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:39:34,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:39:34,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:39:34,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:39:35,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:39:35,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:39:35,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:39:35,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:39:35,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:39:35,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:39:35,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:39:35,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:39:35,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:39:35,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:39:35,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:39:35,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:39:35,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:39:35,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:39:35,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:39:35,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:39:35,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:39:35,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:39:35,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:39:35,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:39:35,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:39:35,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:39:35,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:39:35,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:39:35,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:39:35,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:39:35,069 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:39:35,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:39:35,069 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:39:35,070 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:39:35,070 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:39:35,070 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:39:35,070 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:39:35,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:39:35,071 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:39:35,071 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:39:35,071 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:39:35,072 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:39:35,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:39:35,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:39:35,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:39:35,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:39:35,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:39:35,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:39:35,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:39:35,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:39:35,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:39:35,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:39:35,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:39:35,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:39:35,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:39:35,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:39:35,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:39:35,076 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:39:35,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:39:35,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:39:35,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:39:35,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:39:35,077 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2021-11-23 03:39:35,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:39:35,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:39:35,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:39:35,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:39:35,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:39:35,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-23 03:39:35,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/data/9cb85cba8/7c349f2b505b435aab196eb560c6b059/FLAG60f8979ff [2021-11-23 03:39:36,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:39:36,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-23 03:39:36,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/data/9cb85cba8/7c349f2b505b435aab196eb560c6b059/FLAG60f8979ff [2021-11-23 03:39:36,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/data/9cb85cba8/7c349f2b505b435aab196eb560c6b059 [2021-11-23 03:39:36,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:39:36,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:39:36,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:39:36,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:39:36,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:39:36,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:36" (1/1) ... [2021-11-23 03:39:36,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122e864d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:36, skipping insertion in model container [2021-11-23 03:39:36,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:36" (1/1) ... [2021-11-23 03:39:36,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:39:37,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:39:46,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-23 03:39:46,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-23 03:39:46,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-23 03:39:46,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-23 03:39:46,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-23 03:39:46,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-23 03:39:46,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-23 03:39:46,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-23 03:39:46,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-23 03:39:46,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-23 03:39:46,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-23 03:39:46,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-23 03:39:46,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-23 03:39:46,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-23 03:39:46,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-23 03:39:46,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-23 03:39:46,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-23 03:39:46,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-23 03:39:46,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-23 03:39:46,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-23 03:39:46,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-23 03:39:46,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-23 03:39:46,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-23 03:39:46,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-23 03:39:46,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-23 03:39:46,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-23 03:39:46,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-23 03:39:46,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-23 03:39:46,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-23 03:39:46,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-23 03:39:46,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-23 03:39:46,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-23 03:39:46,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-23 03:39:46,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-23 03:39:46,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-23 03:39:46,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-23 03:39:46,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-23 03:39:46,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-23 03:39:46,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-23 03:39:46,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-23 03:39:46,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-23 03:39:46,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-23 03:39:46,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-23 03:39:46,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-23 03:39:46,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-23 03:39:46,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-23 03:39:46,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-23 03:39:46,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-23 03:39:46,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-23 03:39:46,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-23 03:39:46,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-23 03:39:46,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-23 03:39:46,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-23 03:39:46,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-23 03:39:46,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-23 03:39:46,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-23 03:39:46,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-23 03:39:46,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-23 03:39:46,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-23 03:39:46,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-23 03:39:46,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-23 03:39:46,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-23 03:39:46,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-23 03:39:46,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-23 03:39:46,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-23 03:39:46,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-23 03:39:46,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-23 03:39:46,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-23 03:39:46,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-23 03:39:46,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-23 03:39:46,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-23 03:39:46,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-23 03:39:46,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-23 03:39:46,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-23 03:39:46,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-23 03:39:46,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-23 03:39:46,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-23 03:39:46,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-23 03:39:46,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-23 03:39:46,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-23 03:39:46,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-23 03:39:46,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-23 03:39:46,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-23 03:39:46,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-23 03:39:46,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-23 03:39:46,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-23 03:39:46,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-23 03:39:46,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-23 03:39:46,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:39:46,960 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:39:47,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-23 03:39:47,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-23 03:39:47,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-23 03:39:47,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-23 03:39:47,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-23 03:39:47,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-23 03:39:47,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-23 03:39:47,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-23 03:39:47,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-23 03:39:47,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-23 03:39:47,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-23 03:39:47,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-23 03:39:47,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-23 03:39:47,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-23 03:39:47,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-23 03:39:47,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-23 03:39:47,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-23 03:39:47,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-23 03:39:47,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-23 03:39:47,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-23 03:39:47,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-23 03:39:47,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-23 03:39:47,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-23 03:39:47,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-23 03:39:47,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-23 03:39:47,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-23 03:39:47,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-23 03:39:47,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-23 03:39:47,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-23 03:39:47,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-23 03:39:47,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-23 03:39:47,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-23 03:39:47,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-23 03:39:47,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-23 03:39:47,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-23 03:39:47,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-23 03:39:47,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-23 03:39:47,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-23 03:39:47,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-23 03:39:47,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-23 03:39:47,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-23 03:39:47,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-23 03:39:47,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-23 03:39:47,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-23 03:39:47,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-23 03:39:47,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-23 03:39:47,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-23 03:39:47,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-23 03:39:47,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-23 03:39:47,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-23 03:39:47,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-23 03:39:47,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-23 03:39:47,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-23 03:39:47,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-23 03:39:47,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-23 03:39:47,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-23 03:39:47,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-23 03:39:47,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-23 03:39:47,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-23 03:39:47,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-23 03:39:47,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-23 03:39:47,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-23 03:39:47,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-23 03:39:47,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-23 03:39:47,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-23 03:39:47,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-23 03:39:47,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-23 03:39:47,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-23 03:39:47,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-23 03:39:47,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-23 03:39:47,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-23 03:39:47,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-23 03:39:47,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-23 03:39:47,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-23 03:39:47,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-23 03:39:47,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-23 03:39:47,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-23 03:39:47,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-23 03:39:47,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-23 03:39:47,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-23 03:39:47,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-23 03:39:47,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-23 03:39:47,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-23 03:39:47,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-23 03:39:47,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-23 03:39:47,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-23 03:39:47,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-23 03:39:47,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-23 03:39:47,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:39:48,524 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:39:48,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48 WrapperNode [2021-11-23 03:39:48,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:39:48,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:39:48,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:39:48,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:39:48,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:48,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:49,456 INFO L137 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2021-11-23 03:39:49,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:39:49,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:39:49,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:39:49,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:39:49,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:49,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:49,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:49,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:50,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:50,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:50,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:50,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:39:50,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:39:50,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:39:50,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:39:50,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (1/1) ... [2021-11-23 03:39:50,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:39:50,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:39:50,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:39:50,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:39:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2021-11-23 03:39:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2021-11-23 03:39:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-23 03:39:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-23 03:39:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2021-11-23 03:39:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2021-11-23 03:39:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 03:39:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2021-11-23 03:39:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2021-11-23 03:39:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2021-11-23 03:39:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2021-11-23 03:39:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-23 03:39:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-23 03:39:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-11-23 03:39:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-11-23 03:39:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2021-11-23 03:39:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2021-11-23 03:39:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 03:39:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 03:39:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2021-11-23 03:39:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2021-11-23 03:39:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2021-11-23 03:39:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2021-11-23 03:39:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:39:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 03:39:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2021-11-23 03:39:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2021-11-23 03:39:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 03:39:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 03:39:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:39:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:39:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:39:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 03:39:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2021-11-23 03:39:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2021-11-23 03:39:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2021-11-23 03:39:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2021-11-23 03:39:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2021-11-23 03:39:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2021-11-23 03:39:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2021-11-23 03:39:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2021-11-23 03:39:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2021-11-23 03:39:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2021-11-23 03:39:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-23 03:39:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-23 03:39:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2021-11-23 03:39:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2021-11-23 03:39:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:39:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:39:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2021-11-23 03:39:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2021-11-23 03:39:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2021-11-23 03:39:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2021-11-23 03:39:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:39:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:39:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2021-11-23 03:39:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2021-11-23 03:39:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 03:39:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 03:39:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:39:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 03:39:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 03:39:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2021-11-23 03:39:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2021-11-23 03:39:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-23 03:39:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-23 03:39:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:39:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:39:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2021-11-23 03:39:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2021-11-23 03:39:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 03:39:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 03:39:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2021-11-23 03:39:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2021-11-23 03:39:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2021-11-23 03:39:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2021-11-23 03:39:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:39:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2021-11-23 03:39:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2021-11-23 03:39:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 03:39:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 03:39:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:39:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:39:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:39:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:39:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:39:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:39:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2021-11-23 03:39:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2021-11-23 03:39:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2021-11-23 03:39:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2021-11-23 03:39:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2021-11-23 03:39:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2021-11-23 03:39:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:39:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:39:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2021-11-23 03:39:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2021-11-23 03:39:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2021-11-23 03:39:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2021-11-23 03:39:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:39:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:39:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2021-11-23 03:39:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2021-11-23 03:39:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2021-11-23 03:39:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2021-11-23 03:39:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2021-11-23 03:39:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2021-11-23 03:39:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2021-11-23 03:39:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2021-11-23 03:39:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2021-11-23 03:39:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2021-11-23 03:39:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 03:39:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 03:39:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2021-11-23 03:39:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2021-11-23 03:39:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2021-11-23 03:39:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2021-11-23 03:39:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:39:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:39:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2021-11-23 03:39:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2021-11-23 03:39:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:39:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:39:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2021-11-23 03:39:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2021-11-23 03:39:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2021-11-23 03:39:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2021-11-23 03:39:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:39:50,676 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 [2021-11-23 03:39:50,676 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 [2021-11-23 03:39:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2021-11-23 03:39:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2021-11-23 03:39:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-23 03:39:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-23 03:39:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2021-11-23 03:39:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2021-11-23 03:39:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2021-11-23 03:39:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2021-11-23 03:39:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 03:39:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 03:39:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2021-11-23 03:39:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2021-11-23 03:39:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:39:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:39:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2021-11-23 03:39:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2021-11-23 03:39:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-23 03:39:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-23 03:39:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-23 03:39:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-23 03:39:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 03:39:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 03:39:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:39:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-11-23 03:39:50,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-11-23 03:39:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:39:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:39:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 03:39:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 03:39:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2021-11-23 03:39:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2021-11-23 03:39:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-11-23 03:39:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-11-23 03:39:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:39:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2021-11-23 03:39:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2021-11-23 03:39:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2021-11-23 03:39:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2021-11-23 03:39:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-23 03:39:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2021-11-23 03:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2021-11-23 03:39:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:39:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:39:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2021-11-23 03:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2021-11-23 03:39:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2021-11-23 03:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2021-11-23 03:39:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:39:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2021-11-23 03:39:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2021-11-23 03:39:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2021-11-23 03:39:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2021-11-23 03:39:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:39:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:39:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-11-23 03:39:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-11-23 03:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2021-11-23 03:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2021-11-23 03:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2021-11-23 03:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2021-11-23 03:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2021-11-23 03:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2021-11-23 03:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:39:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2021-11-23 03:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2021-11-23 03:39:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2021-11-23 03:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2021-11-23 03:39:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 03:39:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 03:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2021-11-23 03:39:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2021-11-23 03:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 03:39:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 03:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2021-11-23 03:39:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2021-11-23 03:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-23 03:39:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-23 03:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2021-11-23 03:39:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2021-11-23 03:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2021-11-23 03:39:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2021-11-23 03:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2021-11-23 03:39:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2021-11-23 03:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-23 03:39:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-23 03:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:39:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-23 03:39:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-23 03:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-23 03:39:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-23 03:39:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2021-11-23 03:39:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2021-11-23 03:39:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-23 03:39:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-23 03:39:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-11-23 03:39:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-11-23 03:39:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-23 03:39:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-23 03:39:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2021-11-23 03:39:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2021-11-23 03:39:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-23 03:39:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-23 03:39:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2021-11-23 03:39:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2021-11-23 03:39:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2021-11-23 03:39:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2021-11-23 03:39:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2021-11-23 03:39:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2021-11-23 03:39:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-23 03:39:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-23 03:39:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 03:39:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2021-11-23 03:39:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2021-11-23 03:39:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2021-11-23 03:39:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2021-11-23 03:39:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2021-11-23 03:39:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2021-11-23 03:39:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2021-11-23 03:39:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2021-11-23 03:39:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2021-11-23 03:39:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2021-11-23 03:39:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2021-11-23 03:39:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2021-11-23 03:39:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-23 03:39:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-23 03:39:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 03:39:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 03:39:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:39:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:39:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2021-11-23 03:39:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2021-11-23 03:39:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2021-11-23 03:39:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2021-11-23 03:39:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2021-11-23 03:39:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2021-11-23 03:39:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:39:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:39:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2021-11-23 03:39:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2021-11-23 03:39:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2021-11-23 03:39:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2021-11-23 03:39:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-23 03:39:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-23 03:39:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2021-11-23 03:39:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2021-11-23 03:39:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2021-11-23 03:39:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2021-11-23 03:39:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2021-11-23 03:39:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2021-11-23 03:39:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2021-11-23 03:39:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2021-11-23 03:39:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2021-11-23 03:39:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2021-11-23 03:39:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-23 03:39:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-23 03:39:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-23 03:39:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-23 03:39:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 03:39:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 03:39:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-23 03:39:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-23 03:39:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2021-11-23 03:39:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2021-11-23 03:39:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:39:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:39:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-23 03:39:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-23 03:39:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2021-11-23 03:39:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2021-11-23 03:39:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:39:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:39:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-23 03:39:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-23 03:39:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-23 03:39:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-23 03:39:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:39:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2021-11-23 03:39:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2021-11-23 03:39:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-23 03:39:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-23 03:39:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2021-11-23 03:39:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2021-11-23 03:39:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2021-11-23 03:39:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2021-11-23 03:39:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 03:39:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 03:39:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 03:39:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 03:39:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-23 03:39:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2021-11-23 03:39:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2021-11-23 03:39:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:39:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 03:39:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 03:39:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2021-11-23 03:39:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2021-11-23 03:39:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2021-11-23 03:39:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2021-11-23 03:39:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:39:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:39:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2021-11-23 03:39:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2021-11-23 03:39:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:39:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-23 03:39:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-23 03:39:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2021-11-23 03:39:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2021-11-23 03:39:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2021-11-23 03:39:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2021-11-23 03:39:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2021-11-23 03:39:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2021-11-23 03:39:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2021-11-23 03:39:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2021-11-23 03:39:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-23 03:39:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-23 03:39:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2021-11-23 03:39:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2021-11-23 03:39:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:39:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:39:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-23 03:39:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-23 03:39:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2021-11-23 03:39:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2021-11-23 03:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:39:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 03:39:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 03:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-23 03:39:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-23 03:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-23 03:39:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-23 03:39:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 03:39:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 03:39:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:39:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:39:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2021-11-23 03:39:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2021-11-23 03:39:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-23 03:39:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-23 03:39:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:39:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:39:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 03:39:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 03:39:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2021-11-23 03:39:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2021-11-23 03:39:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2021-11-23 03:39:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2021-11-23 03:39:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2021-11-23 03:39:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2021-11-23 03:39:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-11-23 03:39:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-11-23 03:39:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-23 03:39:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-23 03:39:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2021-11-23 03:39:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2021-11-23 03:39:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-11-23 03:39:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-11-23 03:39:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-23 03:39:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-23 03:39:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2021-11-23 03:39:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2021-11-23 03:39:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:39:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:39:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:39:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:39:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2021-11-23 03:39:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2021-11-23 03:39:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2021-11-23 03:39:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2021-11-23 03:39:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2021-11-23 03:39:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2021-11-23 03:39:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2021-11-23 03:39:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2021-11-23 03:39:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:39:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:39:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2021-11-23 03:39:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2021-11-23 03:39:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2021-11-23 03:39:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2021-11-23 03:39:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2021-11-23 03:39:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2021-11-23 03:39:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 03:39:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 03:39:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2021-11-23 03:39:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2021-11-23 03:39:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-23 03:39:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-23 03:39:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 03:39:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 03:39:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2021-11-23 03:39:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2021-11-23 03:39:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2021-11-23 03:39:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2021-11-23 03:39:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2021-11-23 03:39:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2021-11-23 03:39:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2021-11-23 03:39:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2021-11-23 03:39:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2021-11-23 03:39:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2021-11-23 03:39:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2021-11-23 03:39:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2021-11-23 03:39:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2021-11-23 03:39:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2021-11-23 03:39:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:39:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:39:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:39:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 03:39:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 03:39:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2021-11-23 03:39:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2021-11-23 03:39:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2021-11-23 03:39:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2021-11-23 03:39:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:39:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 03:39:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 03:39:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 03:39:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-23 03:39:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-23 03:39:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2021-11-23 03:39:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2021-11-23 03:39:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2021-11-23 03:39:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2021-11-23 03:39:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2021-11-23 03:39:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2021-11-23 03:39:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-23 03:39:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-23 03:39:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-23 03:39:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-23 03:39:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2021-11-23 03:39:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2021-11-23 03:39:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2021-11-23 03:39:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2021-11-23 03:39:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2021-11-23 03:39:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2021-11-23 03:39:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2021-11-23 03:39:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2021-11-23 03:39:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2021-11-23 03:39:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2021-11-23 03:39:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2021-11-23 03:39:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2021-11-23 03:39:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2021-11-23 03:39:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2021-11-23 03:39:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2021-11-23 03:39:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2021-11-23 03:39:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-11-23 03:39:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-11-23 03:39:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:39:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2021-11-23 03:39:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2021-11-23 03:39:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-23 03:39:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-23 03:39:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 03:39:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 03:39:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2021-11-23 03:39:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2021-11-23 03:39:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-23 03:39:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-23 03:39:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:39:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:39:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2021-11-23 03:39:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2021-11-23 03:39:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2021-11-23 03:39:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2021-11-23 03:39:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2021-11-23 03:39:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2021-11-23 03:39:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2021-11-23 03:39:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2021-11-23 03:39:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-23 03:39:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-23 03:39:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-23 03:39:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-23 03:39:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-23 03:39:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-23 03:39:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-23 03:39:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-23 03:39:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 03:39:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 03:39:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:39:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:39:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 03:39:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 03:39:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2021-11-23 03:39:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2021-11-23 03:39:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2021-11-23 03:39:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2021-11-23 03:39:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 03:39:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 03:39:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-23 03:39:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-23 03:39:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2021-11-23 03:39:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2021-11-23 03:39:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2021-11-23 03:39:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2021-11-23 03:39:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:39:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:39:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-11-23 03:39:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-11-23 03:39:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 03:39:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 03:39:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2021-11-23 03:39:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2021-11-23 03:39:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2021-11-23 03:39:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2021-11-23 03:39:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2021-11-23 03:39:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2021-11-23 03:39:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2021-11-23 03:39:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2021-11-23 03:39:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2021-11-23 03:39:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2021-11-23 03:39:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:39:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:39:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2021-11-23 03:39:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2021-11-23 03:39:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:39:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:39:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 03:39:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 03:39:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2021-11-23 03:39:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2021-11-23 03:39:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 03:39:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 03:39:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 03:39:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 03:39:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2021-11-23 03:39:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2021-11-23 03:39:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:39:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:39:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-11-23 03:39:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-11-23 03:39:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2021-11-23 03:39:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2021-11-23 03:39:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:39:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:39:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:39:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-11-23 03:39:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-11-23 03:39:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2021-11-23 03:39:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2021-11-23 03:39:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2021-11-23 03:39:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2021-11-23 03:39:52,583 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:39:52,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:39:53,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:40:10,084 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:40:16,121 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:40:16,121 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 03:40:16,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:16 BoogieIcfgContainer [2021-11-23 03:40:16,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:40:16,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:40:16,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:40:16,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:40:16,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:36" (1/3) ... [2021-11-23 03:40:16,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a4debc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:16, skipping insertion in model container [2021-11-23 03:40:16,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:48" (2/3) ... [2021-11-23 03:40:16,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a4debc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:16, skipping insertion in model container [2021-11-23 03:40:16,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:16" (3/3) ... [2021-11-23 03:40:16,139 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-23 03:40:16,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:40:16,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-23 03:40:16,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:40:16,220 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:40:16,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-23 03:40:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 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) [2021-11-23 03:40:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 03:40:16,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:40:16,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:40:16,347 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)] === [2021-11-23 03:40:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:40:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2094591935, now seen corresponding path program 1 times [2021-11-23 03:40:16,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:40:16,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838127924] [2021-11-23 03:40:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:40:16,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:40:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:40:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:40:17,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:40:17,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838127924] [2021-11-23 03:40:17,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838127924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:40:17,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:40:17,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:40:17,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210142936] [2021-11-23 03:40:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:40:17,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:40:17,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:40:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:40:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:40:17,403 INFO L87 Difference]: Start difference. First operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 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 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 03:40:20,780 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 [] [2021-11-23 03:40:29,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:31,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:33,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:34,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:36,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:40,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:42,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:44,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:46,668 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 [] [2021-11-23 03:40:48,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:40:48,279 INFO L93 Difference]: Finished difference Result 12260 states and 18188 transitions. [2021-11-23 03:40:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:40:48,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 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 47 [2021-11-23 03:40:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:40:48,388 INFO L225 Difference]: With dead ends: 12260 [2021-11-23 03:40:48,389 INFO L226 Difference]: Without dead ends: 7639 [2021-11-23 03:40:48,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:40:48,439 INFO L933 BasicCegarLoop]: 8704 mSDtfsCounter, 6220 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6223 SdHoareTripleChecker+Valid, 21578 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:40:48,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6223 Valid, 21578 Invalid, 2794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2788 Invalid, 6 Unknown, 0 Unchecked, 29.9s Time] [2021-11-23 03:40:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2021-11-23 03:40:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 7629. [2021-11-23 03:40:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7629 states, 4541 states have (on average 1.2781325699185202) internal successors, (5804), 4734 states have internal predecessors, (5804), 2559 states have call successors, (2559), 503 states have call predecessors, (2559), 502 states have return successors, (2558), 2514 states have call predecessors, (2558), 2557 states have call successors, (2558) [2021-11-23 03:40:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7629 states to 7629 states and 10921 transitions. [2021-11-23 03:40:49,202 INFO L78 Accepts]: Start accepts. Automaton has 7629 states and 10921 transitions. Word has length 47 [2021-11-23 03:40:49,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:40:49,203 INFO L470 AbstractCegarLoop]: Abstraction has 7629 states and 10921 transitions. [2021-11-23 03:40:49,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 03:40:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 10921 transitions. [2021-11-23 03:40:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:40:49,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:40:49,210 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:40:49,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:40:49,210 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)] === [2021-11-23 03:40:49,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:40:49,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1204864001, now seen corresponding path program 1 times [2021-11-23 03:40:49,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:40:49,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641488277] [2021-11-23 03:40:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:40:49,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:40:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:40:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:40:50,043 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:40:50,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641488277] [2021-11-23 03:40:50,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641488277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:40:50,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:40:50,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:40:50,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232447986] [2021-11-23 03:40:50,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:40:50,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:40:50,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:40:50,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:40:50,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:40:50,046 INFO L87 Difference]: Start difference. First operand 7629 states and 10921 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 03:40:52,509 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 [] [2021-11-23 03:40:54,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:59,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:03,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:06,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:11,619 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 [] [2021-11-23 03:41:12,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:12,841 INFO L93 Difference]: Finished difference Result 10452 states and 14901 transitions. [2021-11-23 03:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:41:12,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 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 52 [2021-11-23 03:41:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:12,941 INFO L225 Difference]: With dead ends: 10452 [2021-11-23 03:41:12,942 INFO L226 Difference]: Without dead ends: 10450 [2021-11-23 03:41:12,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:41:12,951 INFO L933 BasicCegarLoop]: 8422 mSDtfsCounter, 5911 mSDsluCounter, 14233 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5918 SdHoareTripleChecker+Valid, 21012 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:12,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5918 Valid, 21012 Invalid, 2749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2745 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2021-11-23 03:41:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2021-11-23 03:41:13,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10438. [2021-11-23 03:41:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10438 states, 6219 states have (on average 1.2760894034410677) internal successors, (7936), 6463 states have internal predecessors, (7936), 3478 states have call successors, (3478), 718 states have call predecessors, (3478), 715 states have return successors, (3478), 3417 states have call predecessors, (3478), 3476 states have call successors, (3478) [2021-11-23 03:41:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10438 states to 10438 states and 14892 transitions. [2021-11-23 03:41:13,827 INFO L78 Accepts]: Start accepts. Automaton has 10438 states and 14892 transitions. Word has length 52 [2021-11-23 03:41:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:13,828 INFO L470 AbstractCegarLoop]: Abstraction has 10438 states and 14892 transitions. [2021-11-23 03:41:13,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 03:41:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 10438 states and 14892 transitions. [2021-11-23 03:41:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:41:13,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:13,840 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:41:13,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:41:13,840 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)] === [2021-11-23 03:41:13,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1027873164, now seen corresponding path program 1 times [2021-11-23 03:41:13,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:13,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369135838] [2021-11-23 03:41:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:13,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:41:14,344 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:14,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369135838] [2021-11-23 03:41:14,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369135838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:14,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:14,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:41:14,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093009960] [2021-11-23 03:41:14,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:14,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:41:14,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:14,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:41:14,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:41:14,347 INFO L87 Difference]: Start difference. First operand 10438 states and 14892 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:41:16,673 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 [] [2021-11-23 03:41:18,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:25,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:28,807 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 [] [2021-11-23 03:41:31,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:31,053 INFO L93 Difference]: Finished difference Result 13241 states and 18844 transitions. [2021-11-23 03:41:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:41:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 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 57 [2021-11-23 03:41:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:31,162 INFO L225 Difference]: With dead ends: 13241 [2021-11-23 03:41:31,162 INFO L226 Difference]: Without dead ends: 13239 [2021-11-23 03:41:31,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:41:31,172 INFO L933 BasicCegarLoop]: 9116 mSDtfsCounter, 5879 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5886 SdHoareTripleChecker+Valid, 22400 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:31,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5886 Valid, 22400 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2021-11-23 03:41:31,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13239 states. [2021-11-23 03:41:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13239 to 13226. [2021-11-23 03:41:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13226 states, 7883 states have (on average 1.274895344412026) internal successors, (10050), 8178 states have internal predecessors, (10050), 4391 states have call successors, (4391), 932 states have call predecessors, (4391), 927 states have return successors, (4393), 4313 states have call predecessors, (4393), 4389 states have call successors, (4393) [2021-11-23 03:41:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13226 states to 13226 states and 18834 transitions. [2021-11-23 03:41:32,122 INFO L78 Accepts]: Start accepts. Automaton has 13226 states and 18834 transitions. Word has length 57 [2021-11-23 03:41:32,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:32,125 INFO L470 AbstractCegarLoop]: Abstraction has 13226 states and 18834 transitions. [2021-11-23 03:41:32,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:41:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 13226 states and 18834 transitions. [2021-11-23 03:41:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 03:41:32,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:32,129 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:32,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:41:32,129 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)] === [2021-11-23 03:41:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2014102358, now seen corresponding path program 1 times [2021-11-23 03:41:32,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:32,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294219694] [2021-11-23 03:41:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:32,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:41:32,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:32,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294219694] [2021-11-23 03:41:32,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294219694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:32,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:32,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:41:32,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461818217] [2021-11-23 03:41:32,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:32,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:41:32,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:32,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:41:32,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:41:32,637 INFO L87 Difference]: Start difference. First operand 13226 states and 18834 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-23 03:41:34,960 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 [] [2021-11-23 03:41:36,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:44,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:49,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:52,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:54,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:54,144 INFO L93 Difference]: Finished difference Result 13239 states and 18842 transitions. [2021-11-23 03:41:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:41:54,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 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 62 [2021-11-23 03:41:54,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:54,232 INFO L225 Difference]: With dead ends: 13239 [2021-11-23 03:41:54,233 INFO L226 Difference]: Without dead ends: 13237 [2021-11-23 03:41:54,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:41:54,244 INFO L933 BasicCegarLoop]: 9114 mSDtfsCounter, 5876 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5883 SdHoareTripleChecker+Valid, 22396 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:54,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5883 Valid, 22396 Invalid, 2975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2970 Invalid, 5 Unknown, 0 Unchecked, 21.1s Time] [2021-11-23 03:41:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13237 states. [2021-11-23 03:41:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13237 to 13224. [2021-11-23 03:41:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13224 states, 7882 states have (on average 1.2748033494037045) internal successors, (10048), 8176 states have internal predecessors, (10048), 4391 states have call successors, (4391), 932 states have call predecessors, (4391), 927 states have return successors, (4393), 4313 states have call predecessors, (4393), 4389 states have call successors, (4393) [2021-11-23 03:41:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13224 states to 13224 states and 18832 transitions. [2021-11-23 03:41:55,248 INFO L78 Accepts]: Start accepts. Automaton has 13224 states and 18832 transitions. Word has length 62 [2021-11-23 03:41:55,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:55,249 INFO L470 AbstractCegarLoop]: Abstraction has 13224 states and 18832 transitions. [2021-11-23 03:41:55,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-23 03:41:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 13224 states and 18832 transitions. [2021-11-23 03:41:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 03:41:55,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:55,252 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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] [2021-11-23 03:41:55,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:41:55,254 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)] === [2021-11-23 03:41:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash -822897072, now seen corresponding path program 1 times [2021-11-23 03:41:55,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:55,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839428194] [2021-11-23 03:41:55,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:55,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 03:41:55,850 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:55,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839428194] [2021-11-23 03:41:55,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839428194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:55,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:55,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:41:55,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006227266] [2021-11-23 03:41:55,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:55,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:55,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:55,854 INFO L87 Difference]: Start difference. First operand 13224 states and 18832 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-23 03:41:58,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:00,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:05,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:08,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:10,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:13,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:42:14,263 INFO L93 Difference]: Finished difference Result 26441 states and 37643 transitions. [2021-11-23 03:42:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:42:14,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 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 72 [2021-11-23 03:42:14,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:42:14,331 INFO L225 Difference]: With dead ends: 26441 [2021-11-23 03:42:14,332 INFO L226 Difference]: Without dead ends: 13233 [2021-11-23 03:42:14,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:42:14,403 INFO L933 BasicCegarLoop]: 9110 mSDtfsCounter, 5887 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5892 SdHoareTripleChecker+Valid, 13278 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:42:14,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5892 Valid, 13278 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1756 Invalid, 5 Unknown, 0 Unchecked, 17.9s Time] [2021-11-23 03:42:14,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13233 states. [2021-11-23 03:42:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13233 to 13220. [2021-11-23 03:42:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13220 states, 7879 states have (on average 1.2746541439268944) internal successors, (10043), 8172 states have internal predecessors, (10043), 4391 states have call successors, (4391), 932 states have call predecessors, (4391), 927 states have return successors, (4393), 4313 states have call predecessors, (4393), 4389 states have call successors, (4393) [2021-11-23 03:42:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13220 states to 13220 states and 18827 transitions. [2021-11-23 03:42:15,375 INFO L78 Accepts]: Start accepts. Automaton has 13220 states and 18827 transitions. Word has length 72 [2021-11-23 03:42:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:42:15,376 INFO L470 AbstractCegarLoop]: Abstraction has 13220 states and 18827 transitions. [2021-11-23 03:42:15,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-23 03:42:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13220 states and 18827 transitions. [2021-11-23 03:42:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 03:42:15,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:15,378 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:42:15,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:42:15,378 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)] === [2021-11-23 03:42:15,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:15,379 INFO L85 PathProgramCache]: Analyzing trace with hash -762525750, now seen corresponding path program 1 times [2021-11-23 03:42:15,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:15,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424753473] [2021-11-23 03:42:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:15,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:42:15,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:15,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424753473] [2021-11-23 03:42:15,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424753473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:15,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:42:15,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:42:15,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085002625] [2021-11-23 03:42:15,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:15,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:42:15,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:15,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:42:15,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:42:15,836 INFO L87 Difference]: Start difference. First operand 13220 states and 18827 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 03:42:18,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:20,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:24,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:28,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:30,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:33,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:35,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:38,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:40,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:44,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:42:47,050 INFO L93 Difference]: Finished difference Result 13230 states and 18832 transitions. [2021-11-23 03:42:47,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:42:47,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 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 67 [2021-11-23 03:42:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:42:47,124 INFO L225 Difference]: With dead ends: 13230 [2021-11-23 03:42:47,124 INFO L226 Difference]: Without dead ends: 13228 [2021-11-23 03:42:47,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:42:47,134 INFO L933 BasicCegarLoop]: 8773 mSDtfsCounter, 6174 mSDsluCounter, 14629 mSDsCounter, 0 mSdLazyCounter, 2829 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6177 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2829 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:42:47,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6177 Valid, 21714 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2829 Invalid, 7 Unknown, 0 Unchecked, 30.8s Time] [2021-11-23 03:42:47,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2021-11-23 03:42:47,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 13218. [2021-11-23 03:42:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13218 states, 7878 states have (on average 1.2745620715917745) internal successors, (10041), 8170 states have internal predecessors, (10041), 4391 states have call successors, (4391), 932 states have call predecessors, (4391), 927 states have return successors, (4393), 4313 states have call predecessors, (4393), 4389 states have call successors, (4393) [2021-11-23 03:42:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13218 states to 13218 states and 18825 transitions. [2021-11-23 03:42:48,010 INFO L78 Accepts]: Start accepts. Automaton has 13218 states and 18825 transitions. Word has length 67 [2021-11-23 03:42:48,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:42:48,013 INFO L470 AbstractCegarLoop]: Abstraction has 13218 states and 18825 transitions. [2021-11-23 03:42:48,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 03:42:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 13218 states and 18825 transitions. [2021-11-23 03:42:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 03:42:48,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:48,015 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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] [2021-11-23 03:42:48,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:42:48,016 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)] === [2021-11-23 03:42:48,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:48,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1639749961, now seen corresponding path program 1 times [2021-11-23 03:42:48,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:48,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577769213] [2021-11-23 03:42:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:48,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 03:42:48,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:48,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577769213] [2021-11-23 03:42:48,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577769213] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:42:48,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892408338] [2021-11-23 03:42:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:48,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:42:48,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:42:48,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:42:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:42:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:51,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:42:51,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:42:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 03:42:51,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:42:51,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892408338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:51,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:42:51,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-23 03:42:51,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005346976] [2021-11-23 03:42:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:51,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:42:51,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:51,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:42:51,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:42:51,443 INFO L87 Difference]: Start difference. First operand 13218 states and 18825 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-23 03:42:53,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:55,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:01,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:03,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:04,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:08,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:09,430 INFO L93 Difference]: Finished difference Result 29384 states and 41825 transitions. [2021-11-23 03:43:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:09,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 77 [2021-11-23 03:43:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:09,518 INFO L225 Difference]: With dead ends: 29384 [2021-11-23 03:43:09,518 INFO L226 Difference]: Without dead ends: 16182 [2021-11-23 03:43:09,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:43:09,573 INFO L933 BasicCegarLoop]: 9170 mSDtfsCounter, 6127 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6129 SdHoareTripleChecker+Valid, 13338 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:09,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 13338 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1758 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2021-11-23 03:43:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16182 states. [2021-11-23 03:43:10,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16182 to 16169. [2021-11-23 03:43:10,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16169 states, 9641 states have (on average 1.273726791826574) internal successors, (12280), 9989 states have internal predecessors, (12280), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2021-11-23 03:43:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16169 states to 16169 states and 23016 transitions. [2021-11-23 03:43:10,731 INFO L78 Accepts]: Start accepts. Automaton has 16169 states and 23016 transitions. Word has length 77 [2021-11-23 03:43:10,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:10,732 INFO L470 AbstractCegarLoop]: Abstraction has 16169 states and 23016 transitions. [2021-11-23 03:43:10,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-23 03:43:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 16169 states and 23016 transitions. [2021-11-23 03:43:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 03:43:10,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:10,735 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:43:10,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:10,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef90867-321a-4eda-af46-cdf0a2e44a8e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:43:10,963 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)] === [2021-11-23 03:43:10,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:10,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1118074762, now seen corresponding path program 1 times [2021-11-23 03:43:10,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:43:10,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207133305] [2021-11-23 03:43:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:10,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:43:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:43:11,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:11,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207133305] [2021-11-23 03:43:11,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207133305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:11,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:11,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:43:11,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114151483] [2021-11-23 03:43:11,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:11,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:43:11,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:11,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:43:11,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:43:11,379 INFO L87 Difference]: Start difference. First operand 16169 states and 23016 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:43:13,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:15,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:22,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:24,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:28,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:31,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:33,206 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 [] [2021-11-23 03:43:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:35,597 INFO L93 Difference]: Finished difference Result 18991 states and 26990 transitions. [2021-11-23 03:43:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:43:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 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 72 [2021-11-23 03:43:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:35,670 INFO L225 Difference]: With dead ends: 18991 [2021-11-23 03:43:35,670 INFO L226 Difference]: Without dead ends: 18989 [2021-11-23 03:43:35,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:43:35,679 INFO L933 BasicCegarLoop]: 9117 mSDtfsCounter, 5882 mSDsluCounter, 15044 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5888 SdHoareTripleChecker+Valid, 22402 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:35,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5888 Valid, 22402 Invalid, 2982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2977 Invalid, 5 Unknown, 0 Unchecked, 23.7s Time] [2021-11-23 03:43:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18989 states. [2021-11-23 03:43:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18989 to 18975. [2021-11-23 03:43:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18975 states, 11316 states have (on average 1.2731530576175327) internal successors, (14407), 11715 states have internal predecessors, (14407), 6283 states have call successors, (6283), 1363 states have call predecessors, (6283), 1356 states have return successors, (6289), 6171 states have call predecessors, (6289), 6281 states have call successors, (6289) [2021-11-23 03:43:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18975 states to 18975 states and 26979 transitions. [2021-11-23 03:43:36,786 INFO L78 Accepts]: Start accepts. Automaton has 18975 states and 26979 transitions. Word has length 72 [2021-11-23 03:43:36,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:36,787 INFO L470 AbstractCegarLoop]: Abstraction has 18975 states and 26979 transitions. [2021-11-23 03:43:36,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:43:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 18975 states and 26979 transitions. [2021-11-23 03:43:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 03:43:36,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:36,789 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:36,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:43:36,790 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)] === [2021-11-23 03:43:36,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:36,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2024312442, now seen corresponding path program 1 times [2021-11-23 03:43:36,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:43:36,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398324123] [2021-11-23 03:43:36,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:36,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:43:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:43:37,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398324123] [2021-11-23 03:43:37,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398324123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:37,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:37,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:43:37,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817317108] [2021-11-23 03:43:37,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:37,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:43:37,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:43:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:43:37,365 INFO L87 Difference]: Start difference. First operand 18975 states and 26979 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:43:39,703 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 [] [2021-11-23 03:43:41,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:49,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:53,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:55,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:57,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:00,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:02,957 INFO L93 Difference]: Finished difference Result 25979 states and 37266 transitions. [2021-11-23 03:44:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:44:02,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 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 77 [2021-11-23 03:44:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:03,072 INFO L225 Difference]: With dead ends: 25979 [2021-11-23 03:44:03,073 INFO L226 Difference]: Without dead ends: 25977 [2021-11-23 03:44:03,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:44:03,084 INFO L933 BasicCegarLoop]: 9634 mSDtfsCounter, 6092 mSDsluCounter, 17582 mSDsCounter, 0 mSdLazyCounter, 3228 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6094 SdHoareTripleChecker+Valid, 25215 SdHoareTripleChecker+Invalid, 3235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3228 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:44:03,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6094 Valid, 25215 Invalid, 3235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3228 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2021-11-23 03:44:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25977 states. [2021-11-23 03:44:04,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25977 to 25823. [2021-11-23 03:44:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25823 states, 15395 states have (on average 1.2748294900941863) internal successors, (19626), 15953 states have internal predecessors, (19626), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:44:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25823 states to 25823 states and 37096 transitions. [2021-11-23 03:44:04,705 INFO L78 Accepts]: Start accepts. Automaton has 25823 states and 37096 transitions. Word has length 77 [2021-11-23 03:44:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:04,705 INFO L470 AbstractCegarLoop]: Abstraction has 25823 states and 37096 transitions. [2021-11-23 03:44:04,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:44:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 25823 states and 37096 transitions. [2021-11-23 03:44:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 03:44:04,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:04,707 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:44:04,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:44:04,708 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)] === [2021-11-23 03:44:04,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1366857180, now seen corresponding path program 1 times [2021-11-23 03:44:04,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:44:04,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822789827] [2021-11-23 03:44:04,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:04,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:44:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:44:05,314 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:44:05,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822789827] [2021-11-23 03:44:05,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822789827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:05,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:05,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:44:05,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109995756] [2021-11-23 03:44:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:05,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:44:05,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:44:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:44:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:44:05,316 INFO L87 Difference]: Start difference. First operand 25823 states and 37096 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:44:07,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:09,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:14,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:18,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:21,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:23,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:26,149 INFO L93 Difference]: Finished difference Result 25838 states and 37106 transitions. [2021-11-23 03:44:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:44:26,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 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 82 [2021-11-23 03:44:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:26,264 INFO L225 Difference]: With dead ends: 25838 [2021-11-23 03:44:26,264 INFO L226 Difference]: Without dead ends: 25836 [2021-11-23 03:44:26,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:44:26,281 INFO L933 BasicCegarLoop]: 8580 mSDtfsCounter, 5889 mSDsluCounter, 14415 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5896 SdHoareTripleChecker+Valid, 21324 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:44:26,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5896 Valid, 21324 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2803 Invalid, 3 Unknown, 0 Unchecked, 20.1s Time] [2021-11-23 03:44:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25836 states. [2021-11-23 03:44:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25836 to 25821. [2021-11-23 03:44:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25821 states, 15394 states have (on average 1.2747823827465246) internal successors, (19624), 15951 states have internal predecessors, (19624), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:44:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25821 states to 25821 states and 37094 transitions. [2021-11-23 03:44:27,981 INFO L78 Accepts]: Start accepts. Automaton has 25821 states and 37094 transitions. Word has length 82 [2021-11-23 03:44:27,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:27,982 INFO L470 AbstractCegarLoop]: Abstraction has 25821 states and 37094 transitions. [2021-11-23 03:44:27,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:44:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 25821 states and 37094 transitions. [2021-11-23 03:44:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 03:44:27,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:27,984 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:44:27,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:44:27,985 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)] === [2021-11-23 03:44:27,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:27,986 INFO L85 PathProgramCache]: Analyzing trace with hash 710567623, now seen corresponding path program 1 times [2021-11-23 03:44:27,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:44:27,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030602359] [2021-11-23 03:44:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:27,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:44:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:44:28,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:44:28,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030602359] [2021-11-23 03:44:28,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030602359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:28,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:28,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:44:28,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488949632] [2021-11-23 03:44:28,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:28,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:44:28,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:44:28,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:44:28,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:44:28,420 INFO L87 Difference]: Start difference. First operand 25821 states and 37094 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:44:30,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:32,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:40,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:45,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:48,609 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 [] [2021-11-23 03:44:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:51,121 INFO L93 Difference]: Finished difference Result 25836 states and 37104 transitions. [2021-11-23 03:44:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:44:51,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 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 84 [2021-11-23 03:44:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:51,204 INFO L225 Difference]: With dead ends: 25836 [2021-11-23 03:44:51,204 INFO L226 Difference]: Without dead ends: 25834 [2021-11-23 03:44:51,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:44:51,215 INFO L933 BasicCegarLoop]: 9113 mSDtfsCounter, 5874 mSDsluCounter, 15040 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 22394 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:44:51,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5880 Valid, 22394 Invalid, 2982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2977 Invalid, 5 Unknown, 0 Unchecked, 21.8s Time] [2021-11-23 03:44:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25834 states. [2021-11-23 03:44:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25834 to 25819. [2021-11-23 03:44:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25819 states, 15393 states have (on average 1.2747352692782434) internal successors, (19622), 15949 states have internal predecessors, (19622), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:44:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25819 states to 25819 states and 37092 transitions. [2021-11-23 03:44:52,567 INFO L78 Accepts]: Start accepts. Automaton has 25819 states and 37092 transitions. Word has length 84 [2021-11-23 03:44:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:52,568 INFO L470 AbstractCegarLoop]: Abstraction has 25819 states and 37092 transitions. [2021-11-23 03:44:52,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:44:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 25819 states and 37092 transitions. [2021-11-23 03:44:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 03:44:52,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:52,571 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:44:52,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 03:44:52,571 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)] === [2021-11-23 03:44:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash 761584963, now seen corresponding path program 1 times [2021-11-23 03:44:52,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:44:52,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081566403] [2021-11-23 03:44:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:52,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:44:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:44:52,956 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:44:52,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081566403] [2021-11-23 03:44:52,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081566403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:52,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:52,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:44:52,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654300362] [2021-11-23 03:44:52,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:52,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:44:52,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:44:52,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:44:52,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:44:52,959 INFO L87 Difference]: Start difference. First operand 25819 states and 37092 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:44:55,560 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 [] [2021-11-23 03:44:57,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:05,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:07,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:09,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:11,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:15,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:17,221 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 [] [2021-11-23 03:45:18,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:45:18,935 INFO L93 Difference]: Finished difference Result 25833 states and 37101 transitions. [2021-11-23 03:45:18,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:45:18,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 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 89 [2021-11-23 03:45:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:45:19,025 INFO L225 Difference]: With dead ends: 25833 [2021-11-23 03:45:19,025 INFO L226 Difference]: Without dead ends: 25831 [2021-11-23 03:45:19,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:45:19,038 INFO L933 BasicCegarLoop]: 9161 mSDtfsCounter, 6106 mSDsluCounter, 15086 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6110 SdHoareTripleChecker+Valid, 22490 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:45:19,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6110 Valid, 22490 Invalid, 2978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2972 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2021-11-23 03:45:19,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25831 states. [2021-11-23 03:45:20,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25831 to 25817. [2021-11-23 03:45:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25817 states, 15392 states have (on average 1.2746881496881497) internal successors, (19620), 15947 states have internal predecessors, (19620), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:45:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25817 states to 25817 states and 37090 transitions. [2021-11-23 03:45:20,430 INFO L78 Accepts]: Start accepts. Automaton has 25817 states and 37090 transitions. Word has length 89 [2021-11-23 03:45:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:45:20,431 INFO L470 AbstractCegarLoop]: Abstraction has 25817 states and 37090 transitions. [2021-11-23 03:45:20,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:45:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 25817 states and 37090 transitions. [2021-11-23 03:45:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 03:45:20,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:45:20,433 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:45:20,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 03:45:20,434 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)] === [2021-11-23 03:45:20,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:45:20,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1377852093, now seen corresponding path program 1 times [2021-11-23 03:45:20,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:45:20,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288760784] [2021-11-23 03:45:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:45:20,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:45:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:45:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:45:20,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:45:20,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288760784] [2021-11-23 03:45:20,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288760784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:45:20,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:45:20,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:45:20,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723349336] [2021-11-23 03:45:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:45:20,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:45:20,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:45:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:45:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:45:20,840 INFO L87 Difference]: Start difference. First operand 25817 states and 37090 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-23 03:45:23,208 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 [] [2021-11-23 03:45:25,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:33,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:37,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:39,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:41,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:45,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:47,848 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 [] [2021-11-23 03:45:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:45:49,273 INFO L93 Difference]: Finished difference Result 25831 states and 37099 transitions. [2021-11-23 03:45:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:45:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 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 94 [2021-11-23 03:45:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:45:49,351 INFO L225 Difference]: With dead ends: 25831 [2021-11-23 03:45:49,351 INFO L226 Difference]: Without dead ends: 25829 [2021-11-23 03:45:49,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:45:49,364 INFO L933 BasicCegarLoop]: 9092 mSDtfsCounter, 5848 mSDsluCounter, 15017 mSDsCounter, 0 mSdLazyCounter, 2971 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5855 SdHoareTripleChecker+Valid, 22352 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2971 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:45:49,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 22352 Invalid, 2978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2971 Invalid, 7 Unknown, 0 Unchecked, 27.5s Time] [2021-11-23 03:45:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25829 states. [2021-11-23 03:45:50,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25829 to 25815. [2021-11-23 03:45:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25815 states, 15391 states have (on average 1.2746410239750503) internal successors, (19618), 15945 states have internal predecessors, (19618), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:45:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25815 states to 25815 states and 37088 transitions. [2021-11-23 03:45:50,647 INFO L78 Accepts]: Start accepts. Automaton has 25815 states and 37088 transitions. Word has length 94 [2021-11-23 03:45:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:45:50,647 INFO L470 AbstractCegarLoop]: Abstraction has 25815 states and 37088 transitions. [2021-11-23 03:45:50,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-23 03:45:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 25815 states and 37088 transitions. [2021-11-23 03:45:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 03:45:50,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:45:50,650 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:45:50,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 03:45:50,651 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)] === [2021-11-23 03:45:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:45:50,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1669457215, now seen corresponding path program 1 times [2021-11-23 03:45:50,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:45:50,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762833830] [2021-11-23 03:45:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:45:50,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:45:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:45:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:45:51,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:45:51,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762833830] [2021-11-23 03:45:51,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762833830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:45:51,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:45:51,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:45:51,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230038686] [2021-11-23 03:45:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:45:51,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:45:51,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:45:51,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:45:51,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:45:51,053 INFO L87 Difference]: Start difference. First operand 25815 states and 37088 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:45:53,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:55,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:57,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:02,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:06,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:11,012 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 [] [2021-11-23 03:46:13,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:46:13,949 INFO L93 Difference]: Finished difference Result 25830 states and 37098 transitions. [2021-11-23 03:46:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:46:13,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 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 99 [2021-11-23 03:46:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:46:14,030 INFO L225 Difference]: With dead ends: 25830 [2021-11-23 03:46:14,030 INFO L226 Difference]: Without dead ends: 25828 [2021-11-23 03:46:14,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:46:14,040 INFO L933 BasicCegarLoop]: 8572 mSDtfsCounter, 5874 mSDsluCounter, 14412 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:46:14,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 21312 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2802 Invalid, 5 Unknown, 0 Unchecked, 21.9s Time] [2021-11-23 03:46:14,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25828 states. [2021-11-23 03:46:15,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25828 to 25813. [2021-11-23 03:46:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25813 states, 15390 states have (on average 1.2745938921377518) internal successors, (19616), 15943 states have internal predecessors, (19616), 8603 states have call successors, (8603), 1817 states have call predecessors, (8603), 1805 states have return successors, (8867), 8437 states have call predecessors, (8867), 8601 states have call successors, (8867) [2021-11-23 03:46:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25813 states to 25813 states and 37086 transitions. [2021-11-23 03:46:15,320 INFO L78 Accepts]: Start accepts. Automaton has 25813 states and 37086 transitions. Word has length 99 [2021-11-23 03:46:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:46:15,321 INFO L470 AbstractCegarLoop]: Abstraction has 25813 states and 37086 transitions. [2021-11-23 03:46:15,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:46:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 25813 states and 37086 transitions. [2021-11-23 03:46:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 03:46:15,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:46:15,324 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 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] [2021-11-23 03:46:15,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:46:15,324 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)] === [2021-11-23 03:46:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:46:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1039802775, now seen corresponding path program 1 times [2021-11-23 03:46:15,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:46:15,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125918486] [2021-11-23 03:46:15,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:46:15,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:46:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:46:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 03:46:15,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:46:15,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125918486] [2021-11-23 03:46:15,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125918486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:46:15,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:46:15,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:46:15,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449839701] [2021-11-23 03:46:15,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:46:15,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:46:15,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:46:15,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:46:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:46:15,742 INFO L87 Difference]: Start difference. First operand 25813 states and 37086 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:46:18,936 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 [] [2021-11-23 03:46:20,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:22,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:30,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:34,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:36,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:38,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:43,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:45,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:51,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:54,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:46:54,498 INFO L93 Difference]: Finished difference Result 40560 states and 58462 transitions. [2021-11-23 03:46:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:46:54,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 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 132 [2021-11-23 03:46:54,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:46:54,690 INFO L225 Difference]: With dead ends: 40560 [2021-11-23 03:46:54,691 INFO L226 Difference]: Without dead ends: 40558 [2021-11-23 03:46:54,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:46:54,714 INFO L933 BasicCegarLoop]: 8290 mSDtfsCounter, 4514 mSDsluCounter, 25126 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4515 SdHoareTripleChecker+Valid, 30598 SdHoareTripleChecker+Invalid, 3866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:46:54,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4515 Valid, 30598 Invalid, 3866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3856 Invalid, 8 Unknown, 0 Unchecked, 37.3s Time] [2021-11-23 03:46:54,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40558 states. [2021-11-23 03:46:56,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40558 to 40388. [2021-11-23 03:46:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40388 states, 23884 states have (on average 1.2572433428236476) internal successors, (30028), 24802 states have internal predecessors, (30028), 13197 states have call successors, (13197), 3324 states have call predecessors, (13197), 3292 states have return successors, (15044), 12813 states have call predecessors, (15044), 13195 states have call successors, (15044) [2021-11-23 03:46:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40388 states to 40388 states and 58269 transitions. [2021-11-23 03:46:56,931 INFO L78 Accepts]: Start accepts. Automaton has 40388 states and 58269 transitions. Word has length 132 [2021-11-23 03:46:56,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:46:56,932 INFO L470 AbstractCegarLoop]: Abstraction has 40388 states and 58269 transitions. [2021-11-23 03:46:56,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:46:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 40388 states and 58269 transitions. [2021-11-23 03:46:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 03:46:56,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:46:56,934 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:46:56,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 03:46:56,935 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)] === [2021-11-23 03:46:56,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:46:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2065525437, now seen corresponding path program 1 times [2021-11-23 03:46:56,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:46:56,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750206507] [2021-11-23 03:46:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:46:56,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:46:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:46:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:46:57,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:46:57,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750206507] [2021-11-23 03:46:57,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750206507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:46:57,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:46:57,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:46:57,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210123925] [2021-11-23 03:46:57,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:46:57,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:46:57,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:46:57,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:46:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:46:57,336 INFO L87 Difference]: Start difference. First operand 40388 states and 58269 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:46:59,722 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 [] [2021-11-23 03:47:01,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:08,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:13,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:14,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:18,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:21,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:47:23,997 INFO L93 Difference]: Finished difference Result 40404 states and 58280 transitions. [2021-11-23 03:47:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:47:23,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 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 104 [2021-11-23 03:47:23,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:47:24,166 INFO L225 Difference]: With dead ends: 40404 [2021-11-23 03:47:24,166 INFO L226 Difference]: Without dead ends: 40402 [2021-11-23 03:47:24,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:47:24,180 INFO L933 BasicCegarLoop]: 9108 mSDtfsCounter, 5842 mSDsluCounter, 15038 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5849 SdHoareTripleChecker+Valid, 22384 SdHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:47:24,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5849 Valid, 22384 Invalid, 2989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2984 Invalid, 5 Unknown, 0 Unchecked, 25.1s Time] [2021-11-23 03:47:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40402 states. [2021-11-23 03:47:26,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40402 to 40386. [2021-11-23 03:47:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40386 states, 23883 states have (on average 1.2572122430180463) internal successors, (30026), 24800 states have internal predecessors, (30026), 13197 states have call successors, (13197), 3324 states have call predecessors, (13197), 3292 states have return successors, (15044), 12813 states have call predecessors, (15044), 13195 states have call successors, (15044) [2021-11-23 03:47:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40386 states to 40386 states and 58267 transitions. [2021-11-23 03:47:26,415 INFO L78 Accepts]: Start accepts. Automaton has 40386 states and 58267 transitions. Word has length 104 [2021-11-23 03:47:26,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:47:26,416 INFO L470 AbstractCegarLoop]: Abstraction has 40386 states and 58267 transitions. [2021-11-23 03:47:26,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:47:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40386 states and 58267 transitions. [2021-11-23 03:47:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 03:47:26,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:47:26,419 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:47:26,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 03:47:26,419 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)] === [2021-11-23 03:47:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:47:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2133053854, now seen corresponding path program 1 times [2021-11-23 03:47:26,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:47:26,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424150766] [2021-11-23 03:47:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:47:26,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:47:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:47:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:47:26,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:47:26,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424150766] [2021-11-23 03:47:26,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424150766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:47:26,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:47:26,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:47:26,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889085171] [2021-11-23 03:47:26,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:47:26,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:47:26,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:47:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:47:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:47:26,824 INFO L87 Difference]: Start difference. First operand 40386 states and 58267 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 03:47:29,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:31,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:37,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:43,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:46,053 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 [] [2021-11-23 03:47:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:47:49,454 INFO L93 Difference]: Finished difference Result 44952 states and 64718 transitions. [2021-11-23 03:47:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:47:49,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 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 109 [2021-11-23 03:47:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:47:49,652 INFO L225 Difference]: With dead ends: 44952 [2021-11-23 03:47:49,652 INFO L226 Difference]: Without dead ends: 44950 [2021-11-23 03:47:49,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:47:49,667 INFO L933 BasicCegarLoop]: 7521 mSDtfsCounter, 5890 mSDsluCounter, 13125 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5896 SdHoareTripleChecker+Valid, 19210 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:47:49,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5896 Valid, 19210 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2329 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2021-11-23 03:47:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44950 states. [2021-11-23 03:47:52,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44950 to 44937. [2021-11-23 03:47:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44937 states, 26580 states have (on average 1.2566591422121896) internal successors, (33402), 27586 states have internal predecessors, (33402), 14649 states have call successors, (14649), 3729 states have call predecessors, (14649), 3695 states have return successors, (16657), 14229 states have call predecessors, (16657), 14647 states have call successors, (16657) [2021-11-23 03:47:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44937 states to 44937 states and 64708 transitions. [2021-11-23 03:47:52,374 INFO L78 Accepts]: Start accepts. Automaton has 44937 states and 64708 transitions. Word has length 109 [2021-11-23 03:47:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:47:52,375 INFO L470 AbstractCegarLoop]: Abstraction has 44937 states and 64708 transitions. [2021-11-23 03:47:52,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 03:47:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 44937 states and 64708 transitions. [2021-11-23 03:47:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 03:47:52,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:47:52,378 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:47:52,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 03:47:52,379 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)] === [2021-11-23 03:47:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:47:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1009012162, now seen corresponding path program 1 times [2021-11-23 03:47:52,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:47:52,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293680397] [2021-11-23 03:47:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:47:52,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:47:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:47:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:47:52,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:47:52,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293680397] [2021-11-23 03:47:52,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293680397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:47:52,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:47:52,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:47:52,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431484804] [2021-11-23 03:47:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:47:52,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:47:52,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:47:52,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:47:52,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:47:52,798 INFO L87 Difference]: Start difference. First operand 44937 states and 64708 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:47:55,241 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 [] [2021-11-23 03:47:57,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:05,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:10,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:12,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:14,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:17,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:19,881 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 [] [2021-11-23 03:48:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:22,513 INFO L93 Difference]: Finished difference Result 44955 states and 64721 transitions. [2021-11-23 03:48:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:48:22,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 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 114 [2021-11-23 03:48:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:22,678 INFO L225 Difference]: With dead ends: 44955 [2021-11-23 03:48:22,678 INFO L226 Difference]: Without dead ends: 44953 [2021-11-23 03:48:22,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:48:22,694 INFO L933 BasicCegarLoop]: 9339 mSDtfsCounter, 6091 mSDsluCounter, 15286 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 22846 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:22,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6095 Valid, 22846 Invalid, 3022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3017 Invalid, 5 Unknown, 0 Unchecked, 27.7s Time] [2021-11-23 03:48:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2021-11-23 03:48:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 44935. [2021-11-23 03:48:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44935 states, 26579 states have (on average 1.2566311749877723) internal successors, (33400), 27584 states have internal predecessors, (33400), 14649 states have call successors, (14649), 3729 states have call predecessors, (14649), 3695 states have return successors, (16657), 14229 states have call predecessors, (16657), 14647 states have call successors, (16657) [2021-11-23 03:48:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44935 states to 44935 states and 64706 transitions. [2021-11-23 03:48:25,739 INFO L78 Accepts]: Start accepts. Automaton has 44935 states and 64706 transitions. Word has length 114 [2021-11-23 03:48:25,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:25,739 INFO L470 AbstractCegarLoop]: Abstraction has 44935 states and 64706 transitions. [2021-11-23 03:48:25,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:48:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 44935 states and 64706 transitions. [2021-11-23 03:48:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 03:48:25,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:25,743 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:48:25,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 03:48:25,744 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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)] === [2021-11-23 03:48:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1695206704, now seen corresponding path program 1 times [2021-11-23 03:48:25,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:25,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137713004] [2021-11-23 03:48:25,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:25,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:48:26,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:26,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137713004] [2021-11-23 03:48:26,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137713004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:26,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:26,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:48:26,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436721603] [2021-11-23 03:48:26,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:26,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:48:26,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:26,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:48:26,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:48:26,202 INFO L87 Difference]: Start difference. First operand 44935 states and 64706 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 03:48:28,633 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 [] [2021-11-23 03:48:30,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:44,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:45,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:48,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:52,083 INFO L93 Difference]: Finished difference Result 44952 states and 64718 transitions. [2021-11-23 03:48:52,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:48:52,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 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 119 [2021-11-23 03:48:52,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:52,267 INFO L225 Difference]: With dead ends: 44952 [2021-11-23 03:48:52,267 INFO L226 Difference]: Without dead ends: 44950 [2021-11-23 03:48:52,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:48:52,284 INFO L933 BasicCegarLoop]: 9109 mSDtfsCounter, 5855 mSDsluCounter, 15043 mSDsCounter, 0 mSdLazyCounter, 2992 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5861 SdHoareTripleChecker+Valid, 22386 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2992 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:52,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5861 Valid, 22386 Invalid, 2996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2992 Invalid, 4 Unknown, 0 Unchecked, 24.0s Time] [2021-11-23 03:48:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44950 states. [2021-11-23 03:48:54,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44950 to 44933. [2021-11-23 03:48:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44933 states, 26578 states have (on average 1.2566032056588157) internal successors, (33398), 27582 states have internal predecessors, (33398), 14649 states have call successors, (14649), 3729 states have call predecessors, (14649), 3695 states have return successors, (16657), 14229 states have call predecessors, (16657), 14647 states have call successors, (16657) [2021-11-23 03:48:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44933 states to 44933 states and 64704 transitions. [2021-11-23 03:48:54,957 INFO L78 Accepts]: Start accepts. Automaton has 44933 states and 64704 transitions. Word has length 119 [2021-11-23 03:48:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:54,958 INFO L470 AbstractCegarLoop]: Abstraction has 44933 states and 64704 transitions. [2021-11-23 03:48:54,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 03:48:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 44933 states and 64704 transitions. [2021-11-23 03:48:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 03:48:54,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:54,963 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 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] [2021-11-23 03:48:54,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 03:48:54,964 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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)] === [2021-11-23 03:48:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1493438877, now seen corresponding path program 1 times [2021-11-23 03:48:54,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:54,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130280939] [2021-11-23 03:48:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:54,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:48:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:48:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-23 03:48:55,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:48:55,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130280939] [2021-11-23 03:48:55,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130280939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:48:55,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:48:55,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:48:55,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574914909] [2021-11-23 03:48:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:48:55,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:48:55,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:48:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:48:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:48:55,444 INFO L87 Difference]: Start difference. First operand 44933 states and 64704 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 03:48:58,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:00,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:08,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:12,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:14,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:16,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:17,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:21,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:23,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:26,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:26,631 INFO L93 Difference]: Finished difference Result 57758 states and 83040 transitions. [2021-11-23 03:49:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:49:26,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-11-23 03:49:26,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:26,909 INFO L225 Difference]: With dead ends: 57758 [2021-11-23 03:49:26,909 INFO L226 Difference]: Without dead ends: 57756 [2021-11-23 03:49:26,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:49:26,930 INFO L933 BasicCegarLoop]: 7097 mSDtfsCounter, 4455 mSDsluCounter, 20725 mSDsCounter, 0 mSdLazyCounter, 3271 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 25456 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3271 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:26,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4456 Valid, 25456 Invalid, 3277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3271 Invalid, 5 Unknown, 0 Unchecked, 28.5s Time] [2021-11-23 03:49:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57756 states. [2021-11-23 03:49:30,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57756 to 57728. [2021-11-23 03:49:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57728 states, 34019 states have (on average 1.248214233222611) internal successors, (42463), 35334 states have internal predecessors, (42463), 18683 states have call successors, (18683), 5085 states have call predecessors, (18683), 5015 states have return successors, (21857), 18044 states have call predecessors, (21857), 18681 states have call successors, (21857) [2021-11-23 03:49:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57728 states to 57728 states and 83003 transitions. [2021-11-23 03:49:30,867 INFO L78 Accepts]: Start accepts. Automaton has 57728 states and 83003 transitions. Word has length 151 [2021-11-23 03:49:30,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:30,867 INFO L470 AbstractCegarLoop]: Abstraction has 57728 states and 83003 transitions. [2021-11-23 03:49:30,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 03:49:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 57728 states and 83003 transitions. [2021-11-23 03:49:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 03:49:30,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:30,872 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:49:30,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 03:49:30,872 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)] === [2021-11-23 03:49:30,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:30,873 INFO L85 PathProgramCache]: Analyzing trace with hash -333914998, now seen corresponding path program 1 times [2021-11-23 03:49:30,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:30,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554223276] [2021-11-23 03:49:30,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:30,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:49:31,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:31,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554223276] [2021-11-23 03:49:31,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554223276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:31,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:31,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:49:31,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451191277] [2021-11-23 03:49:31,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:31,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:31,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:31,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:31,618 INFO L87 Difference]: Start difference. First operand 57728 states and 83003 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:49:34,047 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 [] [2021-11-23 03:49:36,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:43,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:49,090 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 [] [2021-11-23 03:49:54,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:54,568 INFO L93 Difference]: Finished difference Result 57746 states and 83016 transitions. [2021-11-23 03:49:54,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:49:54,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 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 124 [2021-11-23 03:49:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:54,792 INFO L225 Difference]: With dead ends: 57746 [2021-11-23 03:49:54,792 INFO L226 Difference]: Without dead ends: 57744 [2021-11-23 03:49:54,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:49:54,813 INFO L933 BasicCegarLoop]: 9099 mSDtfsCounter, 5830 mSDsluCounter, 15026 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5837 SdHoareTripleChecker+Valid, 22366 SdHoareTripleChecker+Invalid, 2984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:54,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5837 Valid, 22366 Invalid, 2984 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2980 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2021-11-23 03:49:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57744 states. [2021-11-23 03:49:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57744 to 57726. [2021-11-23 03:49:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57726 states, 34018 states have (on average 1.248192133576342) internal successors, (42461), 35332 states have internal predecessors, (42461), 18683 states have call successors, (18683), 5085 states have call predecessors, (18683), 5015 states have return successors, (21857), 18044 states have call predecessors, (21857), 18681 states have call successors, (21857) [2021-11-23 03:49:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57726 states to 57726 states and 83001 transitions. [2021-11-23 03:49:58,271 INFO L78 Accepts]: Start accepts. Automaton has 57726 states and 83001 transitions. Word has length 124 [2021-11-23 03:49:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:58,272 INFO L470 AbstractCegarLoop]: Abstraction has 57726 states and 83001 transitions. [2021-11-23 03:49:58,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:49:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 57726 states and 83001 transitions. [2021-11-23 03:49:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 03:49:58,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:58,276 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 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] [2021-11-23 03:49:58,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 03:49:58,276 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)] === [2021-11-23 03:49:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:58,277 INFO L85 PathProgramCache]: Analyzing trace with hash 487019790, now seen corresponding path program 1 times [2021-11-23 03:49:58,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:58,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760503542] [2021-11-23 03:49:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:58,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 03:49:59,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:59,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760503542] [2021-11-23 03:49:59,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760503542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:59,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:59,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:49:59,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176978428] [2021-11-23 03:49:59,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:59,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:59,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:59,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:59,068 INFO L87 Difference]: Start difference. First operand 57726 states and 83001 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:50:03,110 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 [] [2021-11-23 03:50:05,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:11,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:13,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:16,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:50:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:50:21,532 INFO L93 Difference]: Finished difference Result 104304 states and 153362 transitions. [2021-11-23 03:50:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:50:21,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 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 139 [2021-11-23 03:50:21,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:50:21,878 INFO L225 Difference]: With dead ends: 104304 [2021-11-23 03:50:21,879 INFO L226 Difference]: Without dead ends: 57856 [2021-11-23 03:50:22,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:50:22,132 INFO L933 BasicCegarLoop]: 5797 mSDtfsCounter, 7 mSDsluCounter, 13131 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17354 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:50:22,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 17354 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2404 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2021-11-23 03:50:22,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57856 states. [2021-11-23 03:50:24,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57856 to 57802. [2021-11-23 03:50:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57802 states, 34086 states have (on average 1.2476970017015783) internal successors, (42529), 35408 states have internal predecessors, (42529), 18683 states have call successors, (18683), 5085 states have call predecessors, (18683), 5023 states have return successors, (21865), 18044 states have call predecessors, (21865), 18681 states have call successors, (21865) [2021-11-23 03:50:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57802 states to 57802 states and 83077 transitions. [2021-11-23 03:50:25,633 INFO L78 Accepts]: Start accepts. Automaton has 57802 states and 83077 transitions. Word has length 139 [2021-11-23 03:50:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:50:25,636 INFO L470 AbstractCegarLoop]: Abstraction has 57802 states and 83077 transitions. [2021-11-23 03:50:25,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:50:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 57802 states and 83077 transitions. [2021-11-23 03:50:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 03:50:25,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:50:25,641 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 03:50:25,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-23 03:50:25,644 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)] === [2021-11-23 03:50:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:50:25,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1011338689, now seen corresponding path program 1 times [2021-11-23 03:50:25,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:50:25,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497591105] [2021-11-23 03:50:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:50:25,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:50:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:50:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 03:50:26,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:50:26,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497591105] [2021-11-23 03:50:26,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497591105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:50:26,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:50:26,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:50:26,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025665829] [2021-11-23 03:50:26,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:50:26,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:50:26,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:50:26,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:50:26,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:50:26,049 INFO L87 Difference]: Start difference. First operand 57802 states and 83077 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 03:50:29,837 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 []