./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/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_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:47:37,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:47:37,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:47:37,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:47:37,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:47:37,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:47:37,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:47:37,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:47:37,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:47:37,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:47:37,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:47:37,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:47:37,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:47:37,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:47:37,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:47:37,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:47:37,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:47:37,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:47:37,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:47:37,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:47:37,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:47:37,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:47:37,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:47:37,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:47:37,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:47:37,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:47:37,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:47:37,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:47:37,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:47:37,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:47:37,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:47:37,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:47:37,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:47:37,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:47:37,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:47:37,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:47:37,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:47:37,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:47:37,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:47:37,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:47:37,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:47:37,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:47:37,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:47:37,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:47:37,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:47:37,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:47:37,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:47:37,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:47:37,512 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:47:37,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:47:37,513 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:47:37,513 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:47:37,513 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:47:37,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:47:37,514 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:47:37,514 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:47:37,514 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:47:37,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:47:37,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:47:37,515 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:47:37,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:47:37,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:47:37,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:47:37,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:47:37,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:47:37,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:47:37,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:47:37,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:47:37,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:47:37,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:47:37,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:47:37,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:47:37,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:47:37,519 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:47:37,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:47:37,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:47:37,519 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:47:37,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:47:37,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:47:37,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:47:37,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2022-11-23 13:47:37,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:47:37,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:47:37,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:47:37,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:47:37,817 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:47:37,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-23 13:47:40,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:47:41,896 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:47:41,897 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-23 13:47:41,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/data/b7585878e/0ca093003c8240f588abbaa8235df027/FLAG5fc198c95 [2022-11-23 13:47:41,999 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/data/b7585878e/0ca093003c8240f588abbaa8235df027 [2022-11-23 13:47:42,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:47:42,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:47:42,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:47:42,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:47:42,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:47:42,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:42" (1/1) ... [2022-11-23 13:47:42,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e264694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:42, skipping insertion in model container [2022-11-23 13:47:42,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:42" (1/1) ... [2022-11-23 13:47:42,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:47:42,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:47:51,076 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2022-11-23 13:47:51,082 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2022-11-23 13:47:51,083 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2022-11-23 13:47:51,086 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2022-11-23 13:47:51,086 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2022-11-23 13:47:51,087 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2022-11-23 13:47:51,087 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2022-11-23 13:47:51,087 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2022-11-23 13:47:51,088 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2022-11-23 13:47:51,094 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2022-11-23 13:47:51,095 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2022-11-23 13:47:51,096 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2022-11-23 13:47:51,096 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2022-11-23 13:47:51,098 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2022-11-23 13:47:51,099 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2022-11-23 13:47:51,100 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2022-11-23 13:47:51,100 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2022-11-23 13:47:51,101 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2022-11-23 13:47:51,101 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2022-11-23 13:47:51,102 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2022-11-23 13:47:51,103 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2022-11-23 13:47:51,109 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2022-11-23 13:47:51,115 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2022-11-23 13:47:51,115 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2022-11-23 13:47:51,117 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2022-11-23 13:47:51,117 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2022-11-23 13:47:51,118 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2022-11-23 13:47:51,119 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2022-11-23 13:47:51,119 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2022-11-23 13:47:51,120 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2022-11-23 13:47:51,120 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2022-11-23 13:47:51,123 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2022-11-23 13:47:51,123 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2022-11-23 13:47:51,124 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2022-11-23 13:47:51,125 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2022-11-23 13:47:51,126 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2022-11-23 13:47:51,127 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2022-11-23 13:47:51,127 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2022-11-23 13:47:51,127 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2022-11-23 13:47:51,128 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2022-11-23 13:47:51,129 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2022-11-23 13:47:51,131 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2022-11-23 13:47:51,131 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2022-11-23 13:47:51,132 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2022-11-23 13:47:51,133 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2022-11-23 13:47:51,133 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2022-11-23 13:47:51,133 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2022-11-23 13:47:51,134 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2022-11-23 13:47:51,134 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2022-11-23 13:47:51,135 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2022-11-23 13:47:51,135 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2022-11-23 13:47:51,136 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2022-11-23 13:47:51,136 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2022-11-23 13:47:51,137 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2022-11-23 13:47:51,137 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2022-11-23 13:47:51,137 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2022-11-23 13:47:51,138 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2022-11-23 13:47:51,138 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2022-11-23 13:47:51,139 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2022-11-23 13:47:51,139 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2022-11-23 13:47:51,140 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2022-11-23 13:47:51,140 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2022-11-23 13:47:51,140 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2022-11-23 13:47:51,141 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2022-11-23 13:47:51,141 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2022-11-23 13:47:51,142 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2022-11-23 13:47:51,142 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2022-11-23 13:47:51,165 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2022-11-23 13:47:51,166 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2022-11-23 13:47:51,166 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2022-11-23 13:47:51,166 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2022-11-23 13:47:51,167 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2022-11-23 13:47:51,167 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2022-11-23 13:47:51,168 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2022-11-23 13:47:51,168 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2022-11-23 13:47:51,169 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2022-11-23 13:47:51,169 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2022-11-23 13:47:51,171 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2022-11-23 13:47:51,171 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2022-11-23 13:47:51,174 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2022-11-23 13:47:51,174 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2022-11-23 13:47:51,175 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2022-11-23 13:47:51,189 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2022-11-23 13:47:51,189 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2022-11-23 13:47:51,190 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2022-11-23 13:47:51,190 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2022-11-23 13:47:51,191 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2022-11-23 13:47:51,191 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2022-11-23 13:47:51,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:47:51,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:47:52,276 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2022-11-23 13:47:52,276 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2022-11-23 13:47:52,277 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2022-11-23 13:47:52,277 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2022-11-23 13:47:52,277 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2022-11-23 13:47:52,278 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2022-11-23 13:47:52,278 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2022-11-23 13:47:52,278 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2022-11-23 13:47:52,279 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2022-11-23 13:47:52,279 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2022-11-23 13:47:52,280 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2022-11-23 13:47:52,280 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2022-11-23 13:47:52,280 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2022-11-23 13:47:52,281 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2022-11-23 13:47:52,281 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2022-11-23 13:47:52,281 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2022-11-23 13:47:52,282 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2022-11-23 13:47:52,282 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2022-11-23 13:47:52,284 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2022-11-23 13:47:52,284 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2022-11-23 13:47:52,285 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2022-11-23 13:47:52,286 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2022-11-23 13:47:52,286 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2022-11-23 13:47:52,287 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2022-11-23 13:47:52,287 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2022-11-23 13:47:52,287 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2022-11-23 13:47:52,289 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2022-11-23 13:47:52,289 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2022-11-23 13:47:52,303 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2022-11-23 13:47:52,303 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2022-11-23 13:47:52,304 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2022-11-23 13:47:52,304 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2022-11-23 13:47:52,305 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2022-11-23 13:47:52,306 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2022-11-23 13:47:52,306 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2022-11-23 13:47:52,307 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2022-11-23 13:47:52,307 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2022-11-23 13:47:52,308 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2022-11-23 13:47:52,309 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2022-11-23 13:47:52,309 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2022-11-23 13:47:52,310 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2022-11-23 13:47:52,311 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2022-11-23 13:47:52,311 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2022-11-23 13:47:52,312 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2022-11-23 13:47:52,312 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2022-11-23 13:47:52,312 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2022-11-23 13:47:52,313 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2022-11-23 13:47:52,313 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2022-11-23 13:47:52,314 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2022-11-23 13:47:52,314 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2022-11-23 13:47:52,319 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2022-11-23 13:47:52,319 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2022-11-23 13:47:52,320 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2022-11-23 13:47:52,320 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2022-11-23 13:47:52,320 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2022-11-23 13:47:52,321 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2022-11-23 13:47:52,321 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2022-11-23 13:47:52,322 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2022-11-23 13:47:52,322 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2022-11-23 13:47:52,323 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2022-11-23 13:47:52,323 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2022-11-23 13:47:52,323 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2022-11-23 13:47:52,324 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2022-11-23 13:47:52,324 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2022-11-23 13:47:52,325 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2022-11-23 13:47:52,339 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2022-11-23 13:47:52,339 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2022-11-23 13:47:52,340 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2022-11-23 13:47:52,340 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2022-11-23 13:47:52,341 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2022-11-23 13:47:52,341 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2022-11-23 13:47:52,342 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2022-11-23 13:47:52,342 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2022-11-23 13:47:52,343 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2022-11-23 13:47:52,344 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2022-11-23 13:47:52,344 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2022-11-23 13:47:52,345 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2022-11-23 13:47:52,345 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2022-11-23 13:47:52,347 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2022-11-23 13:47:52,348 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2022-11-23 13:47:52,348 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2022-11-23 13:47:52,349 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2022-11-23 13:47:52,349 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2022-11-23 13:47:52,350 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2022-11-23 13:47:52,350 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2022-11-23 13:47:52,351 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2022-11-23 13:47:52,351 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2022-11-23 13:47:52,351 WARN L237 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_7ad284f5-2843-4a68-813d-ad38d6016c5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2022-11-23 13:47:52,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:47:52,935 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:47:52,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52 WrapperNode [2022-11-23 13:47:52,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:47:52,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:47:52,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:47:52,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:47:52,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:53,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:53,499 INFO L138 Inliner]: procedures = 982, calls = 10318, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15735 [2022-11-23 13:47:53,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:47:53,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:47:53,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:47:53,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:47:53,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:53,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:53,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:53,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:47:54,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:47:54,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:47:54,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:47:54,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (1/1) ... [2022-11-23 13:47:54,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:47:54,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:47:54,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:47:54,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:47:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2022-11-23 13:47:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2022-11-23 13:47:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-23 13:47:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-23 13:47:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2022-11-23 13:47:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2022-11-23 13:47:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 13:47:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2022-11-23 13:47:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2022-11-23 13:47:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2022-11-23 13:47:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2022-11-23 13:47:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-11-23 13:47:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-11-23 13:47:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2022-11-23 13:47:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2022-11-23 13:47:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2022-11-23 13:47:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2022-11-23 13:47:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 13:47:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 13:47:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2022-11-23 13:47:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2022-11-23 13:47:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2022-11-23 13:47:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2022-11-23 13:47:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:47:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:47:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2022-11-23 13:47:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2022-11-23 13:47:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-23 13:47:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-23 13:47:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 13:47:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 13:47:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:47:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:47:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2022-11-23 13:47:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2022-11-23 13:47:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2022-11-23 13:47:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2022-11-23 13:47:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2022-11-23 13:47:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2022-11-23 13:47:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2022-11-23 13:47:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2022-11-23 13:47:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2022-11-23 13:47:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2022-11-23 13:47:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 13:47:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 13:47:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2022-11-23 13:47:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2022-11-23 13:47:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 13:47:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 13:47:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2022-11-23 13:47:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2022-11-23 13:47:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2022-11-23 13:47:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2022-11-23 13:47:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 13:47:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 13:47:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2022-11-23 13:47:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2022-11-23 13:47:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 13:47:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 13:47:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:47:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 13:47:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 13:47:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2022-11-23 13:47:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2022-11-23 13:47:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-23 13:47:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-23 13:47:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 13:47:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 13:47:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2022-11-23 13:47:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2022-11-23 13:47:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 13:47:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 13:47:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2022-11-23 13:47:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2022-11-23 13:47:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2022-11-23 13:47:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2022-11-23 13:47:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:47:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2022-11-23 13:47:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2022-11-23 13:47:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 13:47:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 13:47:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:47:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 13:47:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 13:47:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 13:47:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 13:47:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:47:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2022-11-23 13:47:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2022-11-23 13:47:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2022-11-23 13:47:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2022-11-23 13:47:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2022-11-23 13:47:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2022-11-23 13:47:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 13:47:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 13:47:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2022-11-23 13:47:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2022-11-23 13:47:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2022-11-23 13:47:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2022-11-23 13:47:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 13:47:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 13:47:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2022-11-23 13:47:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2022-11-23 13:47:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2022-11-23 13:47:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2022-11-23 13:47:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2022-11-23 13:47:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2022-11-23 13:47:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2022-11-23 13:47:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2022-11-23 13:47:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2022-11-23 13:47:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2022-11-23 13:47:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 13:47:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 13:47:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2022-11-23 13:47:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2022-11-23 13:47:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2022-11-23 13:47:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2022-11-23 13:47:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:47:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:47:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2022-11-23 13:47:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2022-11-23 13:47:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 13:47:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 13:47:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2022-11-23 13:47:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2022-11-23 13:47:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2022-11-23 13:47:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2022-11-23 13:47:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 13:47:54,952 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 [2022-11-23 13:47:54,952 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 [2022-11-23 13:47:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2022-11-23 13:47:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2022-11-23 13:47:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-23 13:47:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-23 13:47:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2022-11-23 13:47:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2022-11-23 13:47:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2022-11-23 13:47:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2022-11-23 13:47:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 13:47:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 13:47:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2022-11-23 13:47:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2022-11-23 13:47:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:47:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:47:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2022-11-23 13:47:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2022-11-23 13:47:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-11-23 13:47:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-11-23 13:47:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 13:47:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 13:47:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 13:47:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 13:47:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:47:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-23 13:47:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-23 13:47:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 13:47:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 13:47:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 13:47:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 13:47:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2022-11-23 13:47:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2022-11-23 13:47:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2022-11-23 13:47:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2022-11-23 13:47:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:47:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2022-11-23 13:47:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2022-11-23 13:47:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2022-11-23 13:47:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2022-11-23 13:47:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-23 13:47:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2022-11-23 13:47:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2022-11-23 13:47:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 13:47:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 13:47:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 13:47:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 13:47:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2022-11-23 13:47:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2022-11-23 13:47:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2022-11-23 13:47:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2022-11-23 13:47:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 13:47:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 13:47:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2022-11-23 13:47:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2022-11-23 13:47:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2022-11-23 13:47:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2022-11-23 13:47:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 13:47:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 13:47:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-23 13:47:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-23 13:47:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2022-11-23 13:47:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2022-11-23 13:47:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2022-11-23 13:47:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2022-11-23 13:47:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2022-11-23 13:47:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2022-11-23 13:47:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 13:47:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 13:47:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2022-11-23 13:47:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2022-11-23 13:47:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2022-11-23 13:47:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2022-11-23 13:47:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 13:47:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 13:47:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2022-11-23 13:47:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2022-11-23 13:47:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 13:47:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 13:47:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2022-11-23 13:47:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2022-11-23 13:47:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2022-11-23 13:47:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2022-11-23 13:47:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2022-11-23 13:47:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2022-11-23 13:47:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2022-11-23 13:47:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2022-11-23 13:47:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2022-11-23 13:47:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2022-11-23 13:47:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:47:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2022-11-23 13:47:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2022-11-23 13:47:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 13:47:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 13:47:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2022-11-23 13:47:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2022-11-23 13:47:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-11-23 13:47:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-11-23 13:47:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2022-11-23 13:47:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2022-11-23 13:47:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2022-11-23 13:47:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2022-11-23 13:47:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-11-23 13:47:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-11-23 13:47:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-23 13:47:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-23 13:47:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2022-11-23 13:47:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2022-11-23 13:47:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2022-11-23 13:47:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2022-11-23 13:47:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2022-11-23 13:47:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2022-11-23 13:47:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2022-11-23 13:47:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2022-11-23 13:47:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2022-11-23 13:47:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2022-11-23 13:47:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2022-11-23 13:47:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2022-11-23 13:47:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-23 13:47:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2022-11-23 13:47:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2022-11-23 13:47:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2022-11-23 13:47:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2022-11-23 13:47:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2022-11-23 13:47:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2022-11-23 13:47:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2022-11-23 13:47:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2022-11-23 13:47:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2022-11-23 13:47:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2022-11-23 13:47:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2022-11-23 13:47:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2022-11-23 13:47:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 13:47:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 13:47:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 13:47:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 13:47:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 13:47:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 13:47:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2022-11-23 13:47:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2022-11-23 13:47:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2022-11-23 13:47:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2022-11-23 13:47:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2022-11-23 13:47:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2022-11-23 13:47:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 13:47:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 13:47:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2022-11-23 13:47:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2022-11-23 13:47:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2022-11-23 13:47:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2022-11-23 13:47:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-23 13:47:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-23 13:47:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2022-11-23 13:47:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2022-11-23 13:47:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2022-11-23 13:47:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2022-11-23 13:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2022-11-23 13:47:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2022-11-23 13:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2022-11-23 13:47:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2022-11-23 13:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2022-11-23 13:47:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2022-11-23 13:47:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2022-11-23 13:47:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2022-11-23 13:47:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 13:47:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 13:47:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 13:47:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 13:47:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2022-11-23 13:47:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2022-11-23 13:47:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2022-11-23 13:47:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2022-11-23 13:47:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 13:47:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 13:47:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-23 13:47:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-23 13:47:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2022-11-23 13:47:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2022-11-23 13:47:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 13:47:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 13:47:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 13:47:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 13:47:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-23 13:47:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-23 13:47:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:47:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2022-11-23 13:47:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2022-11-23 13:47:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2022-11-23 13:47:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2022-11-23 13:47:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2022-11-23 13:47:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2022-11-23 13:47:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2022-11-23 13:47:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2022-11-23 13:47:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 13:47:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 13:47:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 13:47:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 13:47:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-23 13:47:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2022-11-23 13:47:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2022-11-23 13:47:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 13:47:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 13:47:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 13:47:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2022-11-23 13:47:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2022-11-23 13:47:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2022-11-23 13:47:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2022-11-23 13:47:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-23 13:47:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-23 13:47:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2022-11-23 13:47:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2022-11-23 13:47:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:47:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 13:47:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 13:47:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2022-11-23 13:47:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2022-11-23 13:47:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2022-11-23 13:47:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2022-11-23 13:47:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2022-11-23 13:47:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2022-11-23 13:47:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2022-11-23 13:47:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2022-11-23 13:47:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-23 13:47:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-23 13:47:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2022-11-23 13:47:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2022-11-23 13:47:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 13:47:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 13:47:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 13:47:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 13:47:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2022-11-23 13:47:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2022-11-23 13:47:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 13:47:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 13:47:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 13:47:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 13:47:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2022-11-23 13:47:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2022-11-23 13:47:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2022-11-23 13:47:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2022-11-23 13:47:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 13:47:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 13:47:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 13:47:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 13:47:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2022-11-23 13:47:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2022-11-23 13:47:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-23 13:47:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-23 13:47:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 13:47:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 13:47:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 13:47:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 13:47:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2022-11-23 13:47:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2022-11-23 13:47:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2022-11-23 13:47:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2022-11-23 13:47:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2022-11-23 13:47:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2022-11-23 13:47:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-11-23 13:47:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-11-23 13:47:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-23 13:47:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-23 13:47:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2022-11-23 13:47:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2022-11-23 13:47:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2022-11-23 13:47:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2022-11-23 13:47:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2022-11-23 13:47:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2022-11-23 13:47:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2022-11-23 13:47:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2022-11-23 13:47:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:47:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:47:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:47:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:47:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2022-11-23 13:47:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2022-11-23 13:47:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2022-11-23 13:47:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2022-11-23 13:47:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2022-11-23 13:47:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2022-11-23 13:47:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2022-11-23 13:47:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2022-11-23 13:47:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 13:47:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 13:47:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2022-11-23 13:47:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2022-11-23 13:47:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-23 13:47:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-23 13:47:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2022-11-23 13:47:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2022-11-23 13:47:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 13:47:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 13:47:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2022-11-23 13:47:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2022-11-23 13:47:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-23 13:47:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-23 13:47:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-23 13:47:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-23 13:47:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2022-11-23 13:47:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2022-11-23 13:47:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2022-11-23 13:47:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2022-11-23 13:47:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-11-23 13:47:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-11-23 13:47:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2022-11-23 13:47:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2022-11-23 13:47:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2022-11-23 13:47:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2022-11-23 13:47:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2022-11-23 13:47:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2022-11-23 13:47:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2022-11-23 13:47:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2022-11-23 13:47:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 13:47:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 13:47:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 13:47:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 13:47:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 13:47:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2022-11-23 13:47:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2022-11-23 13:47:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2022-11-23 13:47:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2022-11-23 13:47:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:47:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:47:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-23 13:47:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-23 13:47:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 13:47:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 13:47:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2022-11-23 13:47:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2022-11-23 13:47:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2022-11-23 13:47:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2022-11-23 13:47:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2022-11-23 13:47:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2022-11-23 13:47:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-11-23 13:47:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-11-23 13:47:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-23 13:47:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-23 13:47:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2022-11-23 13:47:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2022-11-23 13:47:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2022-11-23 13:47:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2022-11-23 13:47:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2022-11-23 13:47:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2022-11-23 13:47:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2022-11-23 13:47:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2022-11-23 13:47:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2022-11-23 13:47:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2022-11-23 13:47:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2022-11-23 13:47:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2022-11-23 13:47:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2022-11-23 13:47:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2022-11-23 13:47:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2022-11-23 13:47:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2022-11-23 13:47:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2022-11-23 13:47:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2022-11-23 13:47:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:47:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2022-11-23 13:47:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2022-11-23 13:47:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2022-11-23 13:47:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2022-11-23 13:47:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 13:47:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 13:47:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2022-11-23 13:47:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2022-11-23 13:47:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-23 13:47:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-23 13:47:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 13:47:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 13:47:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2022-11-23 13:47:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2022-11-23 13:47:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2022-11-23 13:47:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2022-11-23 13:47:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2022-11-23 13:47:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2022-11-23 13:47:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2022-11-23 13:47:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2022-11-23 13:47:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-23 13:47:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-23 13:47:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-23 13:47:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-23 13:47:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 13:47:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 13:47:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2022-11-23 13:47:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2022-11-23 13:47:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 13:47:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 13:47:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 13:47:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 13:47:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 13:47:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 13:47:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2022-11-23 13:47:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2022-11-23 13:47:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2022-11-23 13:47:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2022-11-23 13:47:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 13:47:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 13:47:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-23 13:47:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-23 13:47:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2022-11-23 13:47:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2022-11-23 13:47:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2022-11-23 13:47:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2022-11-23 13:47:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 13:47:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 13:47:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2022-11-23 13:47:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2022-11-23 13:47:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 13:47:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 13:47:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2022-11-23 13:47:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2022-11-23 13:47:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2022-11-23 13:47:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2022-11-23 13:47:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2022-11-23 13:47:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2022-11-23 13:47:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2022-11-23 13:47:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2022-11-23 13:47:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2022-11-23 13:47:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2022-11-23 13:47:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 13:47:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 13:47:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2022-11-23 13:47:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2022-11-23 13:47:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 13:47:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 13:47:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 13:47:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 13:47:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2022-11-23 13:47:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2022-11-23 13:47:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 13:47:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 13:47:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 13:47:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 13:47:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2022-11-23 13:47:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2022-11-23 13:47:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 13:47:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 13:47:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-11-23 13:47:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-11-23 13:47:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2022-11-23 13:47:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2022-11-23 13:47:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 13:47:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 13:47:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:47:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-11-23 13:47:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-11-23 13:47:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2022-11-23 13:47:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2022-11-23 13:47:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2022-11-23 13:47:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2022-11-23 13:47:57,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:47:57,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:47:58,762 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 13:48:19,682 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:48:25,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:48:25,994 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-23 13:48:26,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:26 BoogieIcfgContainer [2022-11-23 13:48:26,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:48:26,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:48:26,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:48:26,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:48:26,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:47:42" (1/3) ... [2022-11-23 13:48:26,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb65668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:26, skipping insertion in model container [2022-11-23 13:48:26,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:52" (2/3) ... [2022-11-23 13:48:26,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb65668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:26, skipping insertion in model container [2022-11-23 13:48:26,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:26" (3/3) ... [2022-11-23 13:48:26,010 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-23 13:48:26,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:48:26,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-23 13:48:26,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:48:26,167 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fa79858, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:48:26,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-23 13:48:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 4622 states, 2740 states have (on average 1.2985401459854014) internal successors, (3558), 2888 states have internal predecessors, (3558), 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) [2022-11-23 13:48:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 13:48:26,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:26,196 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:48:26,197 INFO L420 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)] === [2022-11-23 13:48:26,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:26,202 INFO L85 PathProgramCache]: Analyzing trace with hash 316055943, now seen corresponding path program 1 times [2022-11-23 13:48:26,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:26,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957223818] [2022-11-23 13:48:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:48:28,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:28,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957223818] [2022-11-23 13:48:28,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957223818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:28,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:28,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:48:28,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008144470] [2022-11-23 13:48:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:28,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:48:28,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:28,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:48:28,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:48:28,492 INFO L87 Difference]: Start difference. First operand has 4622 states, 2740 states have (on average 1.2985401459854014) internal successors, (3558), 2888 states have internal predecessors, (3558), 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) [2022-11-23 13:48:30,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:32,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:34,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:40,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:42,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:48,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:48:55,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:48:55,676 INFO L93 Difference]: Finished difference Result 12098 states and 17937 transitions. [2022-11-23 13:48:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:48:55,681 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 [2022-11-23 13:48:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:48:55,766 INFO L225 Difference]: With dead ends: 12098 [2022-11-23 13:48:55,767 INFO L226 Difference]: Without dead ends: 7476 [2022-11-23 13:48:55,808 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:48:55,814 INFO L413 NwaCegarLoop]: 8466 mSDtfsCounter, 5965 mSDsluCounter, 12650 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5971 SdHoareTripleChecker+Valid, 21116 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:48:55,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5971 Valid, 21116 Invalid, 2693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2688 Invalid, 5 Unknown, 0 Unchecked, 26.4s Time] [2022-11-23 13:48:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-11-23 13:48:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 7465. [2022-11-23 13:48:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7465 states, 4441 states have (on average 1.2785408691736095) internal successors, (5678), 4629 states have internal predecessors, (5678), 2497 states have call successors, (2497), 502 states have call predecessors, (2497), 500 states have return successors, (2496), 2453 states have call predecessors, (2496), 2495 states have call successors, (2496) [2022-11-23 13:48:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7465 states to 7465 states and 10671 transitions. [2022-11-23 13:48:56,505 INFO L78 Accepts]: Start accepts. Automaton has 7465 states and 10671 transitions. Word has length 47 [2022-11-23 13:48:56,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:48:56,506 INFO L495 AbstractCegarLoop]: Abstraction has 7465 states and 10671 transitions. [2022-11-23 13:48:56,507 INFO L496 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) [2022-11-23 13:48:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7465 states and 10671 transitions. [2022-11-23 13:48:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 13:48:56,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:56,513 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:48:56,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:48:56,513 INFO L420 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)] === [2022-11-23 13:48:56,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash -503660936, now seen corresponding path program 1 times [2022-11-23 13:48:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:56,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814561145] [2022-11-23 13:48:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:48:58,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:58,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814561145] [2022-11-23 13:48:58,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814561145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:58,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:48:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456722604] [2022-11-23 13:48:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:58,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:48:58,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:58,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:48:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:48:58,085 INFO L87 Difference]: Start difference. First operand 7465 states and 10671 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) [2022-11-23 13:49:01,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:08,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:10,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:13,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:14,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:21,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:23,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:23,027 INFO L93 Difference]: Finished difference Result 10288 states and 14651 transitions. [2022-11-23 13:49:23,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:49:23,029 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 [2022-11-23 13:49:23,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:23,093 INFO L225 Difference]: With dead ends: 10288 [2022-11-23 13:49:23,093 INFO L226 Difference]: Without dead ends: 10286 [2022-11-23 13:49:23,099 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:49:23,100 INFO L413 NwaCegarLoop]: 8419 mSDtfsCounter, 5911 mSDsluCounter, 12601 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5918 SdHoareTripleChecker+Valid, 21020 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:23,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5918 Valid, 21020 Invalid, 2683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2679 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2022-11-23 13:49:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10286 states. [2022-11-23 13:49:23,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10286 to 10274. [2022-11-23 13:49:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10274 states, 6119 states have (on average 1.276352345154437) internal successors, (7810), 6358 states have internal predecessors, (7810), 3416 states have call successors, (3416), 717 states have call predecessors, (3416), 713 states have return successors, (3416), 3356 states have call predecessors, (3416), 3414 states have call successors, (3416) [2022-11-23 13:49:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10274 states to 10274 states and 14642 transitions. [2022-11-23 13:49:23,797 INFO L78 Accepts]: Start accepts. Automaton has 10274 states and 14642 transitions. Word has length 52 [2022-11-23 13:49:23,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:23,798 INFO L495 AbstractCegarLoop]: Abstraction has 10274 states and 14642 transitions. [2022-11-23 13:49:23,798 INFO L496 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) [2022-11-23 13:49:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 10274 states and 14642 transitions. [2022-11-23 13:49:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 13:49:23,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:23,809 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:49:23,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:49:23,809 INFO L420 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)] === [2022-11-23 13:49:23,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1000208627, now seen corresponding path program 1 times [2022-11-23 13:49:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:49:23,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123744097] [2022-11-23 13:49:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:23,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:49:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:49:25,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:49:25,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123744097] [2022-11-23 13:49:25,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123744097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:49:25,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:49:25,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:49:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131808780] [2022-11-23 13:49:25,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:49:25,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:49:25,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:49:25,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:49:25,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:49:25,190 INFO L87 Difference]: Start difference. First operand 10274 states and 14642 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) [2022-11-23 13:49:27,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:29,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:35,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:37,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:40,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:44,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:44,662 INFO L93 Difference]: Finished difference Result 10286 states and 14649 transitions. [2022-11-23 13:49:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:49:44,663 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 [2022-11-23 13:49:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:44,719 INFO L225 Difference]: With dead ends: 10286 [2022-11-23 13:49:44,719 INFO L226 Difference]: Without dead ends: 10284 [2022-11-23 13:49:44,726 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:49:44,727 INFO L413 NwaCegarLoop]: 8417 mSDtfsCounter, 5908 mSDsluCounter, 12599 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5915 SdHoareTripleChecker+Valid, 21016 SdHoareTripleChecker+Invalid, 2680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:44,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5915 Valid, 21016 Invalid, 2680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2676 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2022-11-23 13:49:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2022-11-23 13:49:45,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 10272. [2022-11-23 13:49:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10272 states, 6118 states have (on average 1.276234063419418) internal successors, (7808), 6356 states have internal predecessors, (7808), 3416 states have call successors, (3416), 717 states have call predecessors, (3416), 713 states have return successors, (3416), 3356 states have call predecessors, (3416), 3414 states have call successors, (3416) [2022-11-23 13:49:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10272 states to 10272 states and 14640 transitions. [2022-11-23 13:49:45,454 INFO L78 Accepts]: Start accepts. Automaton has 10272 states and 14640 transitions. Word has length 57 [2022-11-23 13:49:45,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:45,456 INFO L495 AbstractCegarLoop]: Abstraction has 10272 states and 14640 transitions. [2022-11-23 13:49:45,456 INFO L496 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) [2022-11-23 13:49:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 10272 states and 14640 transitions. [2022-11-23 13:49:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 13:49:45,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:45,460 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:49:45,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:49:45,460 INFO L420 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)] === [2022-11-23 13:49:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash -895082529, now seen corresponding path program 1 times [2022-11-23 13:49:45,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:49:45,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934910778] [2022-11-23 13:49:45,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:49:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:49:46,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:49:46,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934910778] [2022-11-23 13:49:46,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934910778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:49:46,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:49:46,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:49:46,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622388596] [2022-11-23 13:49:46,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:49:46,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:49:46,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:49:46,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:49:46,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:49:46,722 INFO L87 Difference]: Start difference. First operand 10272 states and 14640 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) [2022-11-23 13:49:49,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:51,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:58,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:00,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:05,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:07,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:10,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:13,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:15,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:17,533 INFO L93 Difference]: Finished difference Result 18856 states and 26773 transitions. [2022-11-23 13:50:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:50:17,534 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 [2022-11-23 13:50:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:17,626 INFO L225 Difference]: With dead ends: 18856 [2022-11-23 13:50:17,626 INFO L226 Difference]: Without dead ends: 18854 [2022-11-23 13:50:17,639 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:50:17,640 INFO L413 NwaCegarLoop]: 9383 mSDtfsCounter, 6153 mSDsluCounter, 13565 mSDsCounter, 0 mSdLazyCounter, 2945 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 22948 SdHoareTripleChecker+Invalid, 2952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2945 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:17,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 22948 Invalid, 2952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2945 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2022-11-23 13:50:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18854 states. [2022-11-23 13:50:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18854 to 18841. [2022-11-23 13:50:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18841 states, 11235 states have (on average 1.273520249221184) internal successors, (14308), 11633 states have internal predecessors, (14308), 6225 states have call successors, (6225), 1364 states have call predecessors, (6225), 1357 states have return successors, (6230), 6115 states have call predecessors, (6230), 6223 states have call successors, (6230) [2022-11-23 13:50:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18841 states to 18841 states and 26763 transitions. [2022-11-23 13:50:19,146 INFO L78 Accepts]: Start accepts. Automaton has 18841 states and 26763 transitions. Word has length 62 [2022-11-23 13:50:19,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:19,147 INFO L495 AbstractCegarLoop]: Abstraction has 18841 states and 26763 transitions. [2022-11-23 13:50:19,147 INFO L496 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) [2022-11-23 13:50:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 18841 states and 26763 transitions. [2022-11-23 13:50:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 13:50:19,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:19,150 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:50:19,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:50:19,151 INFO L420 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)] === [2022-11-23 13:50:19,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1276127062, now seen corresponding path program 1 times [2022-11-23 13:50:19,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:19,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208606551] [2022-11-23 13:50:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:19,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:50:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 13:50:19,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:19,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208606551] [2022-11-23 13:50:19,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208606551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:19,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:19,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:50:19,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560739809] [2022-11-23 13:50:19,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:19,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:50:19,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:50:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:50:19,988 INFO L87 Difference]: Start difference. First operand 18841 states and 26763 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) [2022-11-23 13:50:22,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:31,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:35,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:37,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:39,161 INFO L93 Difference]: Finished difference Result 37675 states and 53505 transitions. [2022-11-23 13:50:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:50:39,162 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 [2022-11-23 13:50:39,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:39,251 INFO L225 Difference]: With dead ends: 37675 [2022-11-23 13:50:39,251 INFO L226 Difference]: Without dead ends: 18850 [2022-11-23 13:50:39,339 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:50:39,341 INFO L413 NwaCegarLoop]: 9379 mSDtfsCounter, 6164 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6165 SdHoareTripleChecker+Valid, 13561 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:39,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6165 Valid, 13561 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1740 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-11-23 13:50:39,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18850 states. [2022-11-23 13:50:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18850 to 18837. [2022-11-23 13:50:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18837 states, 11232 states have (on average 1.2734152421652423) internal successors, (14303), 11629 states have internal predecessors, (14303), 6225 states have call successors, (6225), 1364 states have call predecessors, (6225), 1357 states have return successors, (6230), 6115 states have call predecessors, (6230), 6223 states have call successors, (6230) [2022-11-23 13:50:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18837 states to 18837 states and 26758 transitions. [2022-11-23 13:50:40,791 INFO L78 Accepts]: Start accepts. Automaton has 18837 states and 26758 transitions. Word has length 72 [2022-11-23 13:50:40,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:40,792 INFO L495 AbstractCegarLoop]: Abstraction has 18837 states and 26758 transitions. [2022-11-23 13:50:40,792 INFO L496 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) [2022-11-23 13:50:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 18837 states and 26758 transitions. [2022-11-23 13:50:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 13:50:40,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:40,794 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:50:40,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:50:40,794 INFO L420 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)] === [2022-11-23 13:50:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash -885214790, now seen corresponding path program 1 times [2022-11-23 13:50:40,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:40,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246098544] [2022-11-23 13:50:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:50:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:50:42,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:42,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246098544] [2022-11-23 13:50:42,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246098544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:42,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:42,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:50:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909070989] [2022-11-23 13:50:42,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:50:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:42,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:50:42,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:50:42,250 INFO L87 Difference]: Start difference. First operand 18837 states and 26758 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) [2022-11-23 13:50:44,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:46,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:52,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:54,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:57,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:00,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:02,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:05,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:05,626 INFO L93 Difference]: Finished difference Result 18850 states and 26766 transitions. [2022-11-23 13:51:05,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:51:05,627 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 [2022-11-23 13:51:05,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:05,714 INFO L225 Difference]: With dead ends: 18850 [2022-11-23 13:51:05,714 INFO L226 Difference]: Without dead ends: 18848 [2022-11-23 13:51:05,726 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:51:05,727 INFO L413 NwaCegarLoop]: 9155 mSDtfsCounter, 5890 mSDsluCounter, 13337 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5896 SdHoareTripleChecker+Valid, 22492 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:05,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5896 Valid, 22492 Invalid, 2922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2918 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2022-11-23 13:51:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18848 states. [2022-11-23 13:51:06,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18848 to 18835. [2022-11-23 13:51:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18835 states, 11231 states have (on average 1.273350547591488) internal successors, (14301), 11627 states have internal predecessors, (14301), 6225 states have call successors, (6225), 1364 states have call predecessors, (6225), 1357 states have return successors, (6230), 6115 states have call predecessors, (6230), 6223 states have call successors, (6230) [2022-11-23 13:51:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18835 states to 18835 states and 26756 transitions. [2022-11-23 13:51:06,859 INFO L78 Accepts]: Start accepts. Automaton has 18835 states and 26756 transitions. Word has length 67 [2022-11-23 13:51:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:06,860 INFO L495 AbstractCegarLoop]: Abstraction has 18835 states and 26756 transitions. [2022-11-23 13:51:06,860 INFO L496 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) [2022-11-23 13:51:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 18835 states and 26756 transitions. [2022-11-23 13:51:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 13:51:06,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:06,862 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:51:06,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:51:06,862 INFO L420 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)] === [2022-11-23 13:51:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:06,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1031287455, now seen corresponding path program 1 times [2022-11-23 13:51:06,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:06,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628743595] [2022-11-23 13:51:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-23 13:51:07,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:07,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628743595] [2022-11-23 13:51:07,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628743595] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:51:07,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928061165] [2022-11-23 13:51:07,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:07,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:51:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:51:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:11,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 9135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:51:11,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 13:51:11,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:11,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928061165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:11,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 13:51:11,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-23 13:51:11,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152280106] [2022-11-23 13:51:11,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:11,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:11,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:11,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:11,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:51:11,369 INFO L87 Difference]: Start difference. First operand 18835 states and 26756 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) [2022-11-23 13:51:13,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:15,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:24,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:27,593 INFO L93 Difference]: Finished difference Result 37664 states and 53492 transitions. [2022-11-23 13:51:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:27,594 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 [2022-11-23 13:51:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:27,682 INFO L225 Difference]: With dead ends: 37664 [2022-11-23 13:51:27,682 INFO L226 Difference]: Without dead ends: 18845 [2022-11-23 13:51:27,747 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:51:27,748 INFO L413 NwaCegarLoop]: 8674 mSDtfsCounter, 5901 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5906 SdHoareTripleChecker+Valid, 12856 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:27,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5906 Valid, 12856 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1646 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-11-23 13:51:27,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18845 states. [2022-11-23 13:51:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18845 to 18831. [2022-11-23 13:51:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18831 states, 11228 states have (on average 1.2732454577841112) internal successors, (14296), 11623 states have internal predecessors, (14296), 6225 states have call successors, (6225), 1364 states have call predecessors, (6225), 1357 states have return successors, (6230), 6115 states have call predecessors, (6230), 6223 states have call successors, (6230) [2022-11-23 13:51:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18831 states to 18831 states and 26751 transitions. [2022-11-23 13:51:29,002 INFO L78 Accepts]: Start accepts. Automaton has 18831 states and 26751 transitions. Word has length 77 [2022-11-23 13:51:29,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:29,002 INFO L495 AbstractCegarLoop]: Abstraction has 18831 states and 26751 transitions. [2022-11-23 13:51:29,003 INFO L496 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) [2022-11-23 13:51:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 18831 states and 26751 transitions. [2022-11-23 13:51:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 13:51:29,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:29,004 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:51:29,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:51:29,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad284f5-2843-4a68-813d-ad38d6016c5c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 13:51:29,229 INFO L420 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)] === [2022-11-23 13:51:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash 122100209, now seen corresponding path program 1 times [2022-11-23 13:51:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:29,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669727717] [2022-11-23 13:51:29,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:29,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:51:30,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:30,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669727717] [2022-11-23 13:51:30,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669727717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:30,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:30,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:51:30,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14151162] [2022-11-23 13:51:30,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:30,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:51:30,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:30,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:51:30,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:51:30,324 INFO L87 Difference]: Start difference. First operand 18831 states and 26751 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) [2022-11-23 13:51:33,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:35,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:42,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:45,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:49,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:50,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:52,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:55,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:59,902 INFO L93 Difference]: Finished difference Result 21835 states and 31003 transitions. [2022-11-23 13:51:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:51:59,904 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 [2022-11-23 13:51:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:59,982 INFO L225 Difference]: With dead ends: 21835 [2022-11-23 13:51:59,982 INFO L226 Difference]: Without dead ends: 21833 [2022-11-23 13:51:59,991 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:51:59,991 INFO L413 NwaCegarLoop]: 8896 mSDtfsCounter, 6166 mSDsluCounter, 13078 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 21974 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:59,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 21974 Invalid, 2803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2797 Invalid, 6 Unknown, 0 Unchecked, 28.7s Time] [2022-11-23 13:52:00,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21833 states. [2022-11-23 13:52:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21833 to 21823. [2022-11-23 13:52:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21823 states, 13018 states have (on average 1.2727761560915656) internal successors, (16569), 13469 states have internal predecessors, (16569), 7210 states have call successors, (7210), 1582 states have call predecessors, (7210), 1575 states have return successors, (7217), 7084 states have call predecessors, (7217), 7208 states have call successors, (7217) [2022-11-23 13:52:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21823 states to 21823 states and 30996 transitions. [2022-11-23 13:52:01,256 INFO L78 Accepts]: Start accepts. Automaton has 21823 states and 30996 transitions. Word has length 72 [2022-11-23 13:52:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:52:01,257 INFO L495 AbstractCegarLoop]: Abstraction has 21823 states and 30996 transitions. [2022-11-23 13:52:01,257 INFO L496 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) [2022-11-23 13:52:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21823 states and 30996 transitions. [2022-11-23 13:52:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 13:52:01,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:52:01,259 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:52:01,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 13:52:01,259 INFO L420 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)] === [2022-11-23 13:52:01,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:52:01,260 INFO L85 PathProgramCache]: Analyzing trace with hash -211144787, now seen corresponding path program 1 times [2022-11-23 13:52:01,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:52:01,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167049169] [2022-11-23 13:52:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:52:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:52:02,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:02,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167049169] [2022-11-23 13:52:02,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167049169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:02,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:52:02,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:52:02,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476261109] [2022-11-23 13:52:02,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:02,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:52:02,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:02,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:52:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:52:02,308 INFO L87 Difference]: Start difference. First operand 21823 states and 30996 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) [2022-11-23 13:52:04,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:06,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:15,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:17,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:20,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:25,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:28,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:52:30,907 INFO L93 Difference]: Finished difference Result 25887 states and 36995 transitions. [2022-11-23 13:52:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:52:30,908 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 [2022-11-23 13:52:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:52:31,022 INFO L225 Difference]: With dead ends: 25887 [2022-11-23 13:52:31,022 INFO L226 Difference]: Without dead ends: 25885 [2022-11-23 13:52:31,037 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:52:31,038 INFO L413 NwaCegarLoop]: 9602 mSDtfsCounter, 5837 mSDsluCounter, 15565 mSDsCounter, 0 mSdLazyCounter, 3166 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5839 SdHoareTripleChecker+Valid, 25167 SdHoareTripleChecker+Invalid, 3173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3166 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:52:31,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5839 Valid, 25167 Invalid, 3173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3166 Invalid, 6 Unknown, 0 Unchecked, 27.2s Time] [2022-11-23 13:52:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25885 states. [2022-11-23 13:52:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25885 to 25749. [2022-11-23 13:52:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25749 states, 15351 states have (on average 1.274640088593577) internal successors, (19567), 15902 states have internal predecessors, (19567), 8562 states have call successors, (8562), 1826 states have call predecessors, (8562), 1816 states have return successors, (8718), 8400 states have call predecessors, (8718), 8560 states have call successors, (8718) [2022-11-23 13:52:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25749 states to 25749 states and 36847 transitions. [2022-11-23 13:52:32,973 INFO L78 Accepts]: Start accepts. Automaton has 25749 states and 36847 transitions. Word has length 77 [2022-11-23 13:52:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:52:32,973 INFO L495 AbstractCegarLoop]: Abstraction has 25749 states and 36847 transitions. [2022-11-23 13:52:32,974 INFO L496 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) [2022-11-23 13:52:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 25749 states and 36847 transitions. [2022-11-23 13:52:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 13:52:32,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:52:32,976 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:52:32,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 13:52:32,976 INFO L420 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)] === [2022-11-23 13:52:32,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:52:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash 364167878, now seen corresponding path program 1 times [2022-11-23 13:52:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:52:32,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239104394] [2022-11-23 13:52:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:52:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:52:34,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:34,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239104394] [2022-11-23 13:52:34,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239104394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:34,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:52:34,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:52:34,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232829684] [2022-11-23 13:52:34,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:34,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:52:34,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:52:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:52:34,283 INFO L87 Difference]: Start difference. First operand 25749 states and 36847 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) [2022-11-23 13:52:36,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:38,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:45,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:49,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:50,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:51,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:56,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:58,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:01,508 INFO L93 Difference]: Finished difference Result 28718 states and 41052 transitions. [2022-11-23 13:53:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:53:01,509 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 [2022-11-23 13:53:01,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:01,733 INFO L225 Difference]: With dead ends: 28718 [2022-11-23 13:53:01,746 INFO L226 Difference]: Without dead ends: 28716 [2022-11-23 13:53:01,760 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:53:01,771 INFO L413 NwaCegarLoop]: 9350 mSDtfsCounter, 6115 mSDsluCounter, 13528 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6119 SdHoareTripleChecker+Valid, 22878 SdHoareTripleChecker+Invalid, 2942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:01,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6119 Valid, 22878 Invalid, 2942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2938 Invalid, 4 Unknown, 0 Unchecked, 25.7s Time] [2022-11-23 13:53:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28716 states. [2022-11-23 13:53:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28716 to 28702. [2022-11-23 13:53:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28702 states, 17116 states have (on average 1.2741878943678429) internal successors, (21809), 17723 states have internal predecessors, (21809), 9537 states have call successors, (9537), 2041 states have call predecessors, (9537), 2030 states have return successors, (9695), 9357 states have call predecessors, (9695), 9535 states have call successors, (9695) [2022-11-23 13:53:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28702 states to 28702 states and 41041 transitions. [2022-11-23 13:53:04,729 INFO L78 Accepts]: Start accepts. Automaton has 28702 states and 41041 transitions. Word has length 82 [2022-11-23 13:53:04,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:04,729 INFO L495 AbstractCegarLoop]: Abstraction has 28702 states and 41041 transitions. [2022-11-23 13:53:04,730 INFO L496 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) [2022-11-23 13:53:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 28702 states and 41041 transitions. [2022-11-23 13:53:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-23 13:53:04,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:04,739 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:53:04,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 13:53:04,740 INFO L420 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)] === [2022-11-23 13:53:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:04,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2073299785, now seen corresponding path program 1 times [2022-11-23 13:53:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:04,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583932630] [2022-11-23 13:53:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:53:07,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:07,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583932630] [2022-11-23 13:53:07,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583932630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:07,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:07,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:53:07,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755911895] [2022-11-23 13:53:07,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:07,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:53:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:53:07,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:53:07,053 INFO L87 Difference]: Start difference. First operand 28702 states and 41041 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) [2022-11-23 13:53:09,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:11,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:19,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:21,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:25,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:27,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:32,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:35,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:37,627 INFO L93 Difference]: Finished difference Result 28715 states and 41049 transitions. [2022-11-23 13:53:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:53:37,628 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 [2022-11-23 13:53:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:37,728 INFO L225 Difference]: With dead ends: 28715 [2022-11-23 13:53:37,729 INFO L226 Difference]: Without dead ends: 28713 [2022-11-23 13:53:37,739 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:53:37,740 INFO L413 NwaCegarLoop]: 9365 mSDtfsCounter, 6129 mSDsluCounter, 13547 mSDsCounter, 0 mSdLazyCounter, 2947 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6132 SdHoareTripleChecker+Valid, 22912 SdHoareTripleChecker+Invalid, 2952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2947 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:37,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6132 Valid, 22912 Invalid, 2952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2947 Invalid, 5 Unknown, 0 Unchecked, 29.0s Time] [2022-11-23 13:53:37,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28713 states. [2022-11-23 13:53:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28713 to 28700. [2022-11-23 13:53:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28700 states, 17115 states have (on average 1.2741454864154251) internal successors, (21807), 17721 states have internal predecessors, (21807), 9537 states have call successors, (9537), 2041 states have call predecessors, (9537), 2030 states have return successors, (9695), 9357 states have call predecessors, (9695), 9535 states have call successors, (9695) [2022-11-23 13:53:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28700 states to 28700 states and 41039 transitions. [2022-11-23 13:53:39,490 INFO L78 Accepts]: Start accepts. Automaton has 28700 states and 41039 transitions. Word has length 84 [2022-11-23 13:53:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:39,491 INFO L495 AbstractCegarLoop]: Abstraction has 28700 states and 41039 transitions. [2022-11-23 13:53:39,491 INFO L496 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) [2022-11-23 13:53:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 28700 states and 41039 transitions. [2022-11-23 13:53:39,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 13:53:39,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:39,493 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:53:39,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 13:53:39,494 INFO L420 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)] === [2022-11-23 13:53:39,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1565036491, now seen corresponding path program 1 times [2022-11-23 13:53:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448326822] [2022-11-23 13:53:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:53:40,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:40,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448326822] [2022-11-23 13:53:40,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448326822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:40,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:40,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:53:40,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121300823] [2022-11-23 13:53:40,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:40,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:53:40,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:53:40,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:53:40,670 INFO L87 Difference]: Start difference. First operand 28700 states and 41039 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) [2022-11-23 13:53:42,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:44,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:46,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:53,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:55,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:53:58,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:02,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:04,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:06,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:10,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:14,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:17,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:17,472 INFO L93 Difference]: Finished difference Result 28710 states and 41044 transitions. [2022-11-23 13:54:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:54:17,474 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 [2022-11-23 13:54:17,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:17,562 INFO L225 Difference]: With dead ends: 28710 [2022-11-23 13:54:17,562 INFO L226 Difference]: Without dead ends: 28708 [2022-11-23 13:54:17,570 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:54:17,571 INFO L413 NwaCegarLoop]: 8890 mSDtfsCounter, 6157 mSDsluCounter, 13072 mSDsCounter, 0 mSdLazyCounter, 2798 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6160 SdHoareTripleChecker+Valid, 21962 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2798 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:17,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6160 Valid, 21962 Invalid, 2805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2798 Invalid, 7 Unknown, 0 Unchecked, 35.3s Time] [2022-11-23 13:54:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28708 states. [2022-11-23 13:54:19,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28708 to 28698. [2022-11-23 13:54:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28698 states, 17114 states have (on average 1.2741030735070702) internal successors, (21805), 17719 states have internal predecessors, (21805), 9537 states have call successors, (9537), 2041 states have call predecessors, (9537), 2030 states have return successors, (9695), 9357 states have call predecessors, (9695), 9535 states have call successors, (9695) [2022-11-23 13:54:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28698 states to 28698 states and 41037 transitions. [2022-11-23 13:54:19,257 INFO L78 Accepts]: Start accepts. Automaton has 28698 states and 41037 transitions. Word has length 89 [2022-11-23 13:54:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:19,258 INFO L495 AbstractCegarLoop]: Abstraction has 28698 states and 41037 transitions. [2022-11-23 13:54:19,259 INFO L496 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) [2022-11-23 13:54:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 28698 states and 41037 transitions. [2022-11-23 13:54:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 13:54:19,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:19,261 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:54:19,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 13:54:19,261 INFO L420 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)] === [2022-11-23 13:54:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:19,262 INFO L85 PathProgramCache]: Analyzing trace with hash 897980154, now seen corresponding path program 1 times [2022-11-23 13:54:19,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:19,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245876452] [2022-11-23 13:54:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:19,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:54:20,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:20,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245876452] [2022-11-23 13:54:20,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245876452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:20,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:20,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:54:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687758361] [2022-11-23 13:54:20,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:20,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:54:20,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:20,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:54:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:54:20,201 INFO L87 Difference]: Start difference. First operand 28698 states and 41037 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) [2022-11-23 13:54:22,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:24,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:32,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:37,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:44,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:44,439 INFO L93 Difference]: Finished difference Result 28712 states and 41046 transitions. [2022-11-23 13:54:44,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:54:44,441 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 [2022-11-23 13:54:44,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:44,525 INFO L225 Difference]: With dead ends: 28712 [2022-11-23 13:54:44,526 INFO L226 Difference]: Without dead ends: 28710 [2022-11-23 13:54:44,536 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:54:44,537 INFO L413 NwaCegarLoop]: 9140 mSDtfsCounter, 5870 mSDsluCounter, 13322 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5876 SdHoareTripleChecker+Valid, 22462 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:44,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5876 Valid, 22462 Invalid, 2922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2918 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2022-11-23 13:54:44,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28710 states. [2022-11-23 13:54:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28710 to 28696. [2022-11-23 13:54:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28696 states, 17113 states have (on average 1.2740606556419096) internal successors, (21803), 17717 states have internal predecessors, (21803), 9537 states have call successors, (9537), 2041 states have call predecessors, (9537), 2030 states have return successors, (9695), 9357 states have call predecessors, (9695), 9535 states have call successors, (9695) [2022-11-23 13:54:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28696 states to 28696 states and 41035 transitions. [2022-11-23 13:54:46,423 INFO L78 Accepts]: Start accepts. Automaton has 28696 states and 41035 transitions. Word has length 94 [2022-11-23 13:54:46,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:46,424 INFO L495 AbstractCegarLoop]: Abstraction has 28696 states and 41035 transitions. [2022-11-23 13:54:46,424 INFO L496 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) [2022-11-23 13:54:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28696 states and 41035 transitions. [2022-11-23 13:54:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 13:54:46,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:46,426 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:54:46,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 13:54:46,426 INFO L420 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)] === [2022-11-23 13:54:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:46,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1975579248, now seen corresponding path program 1 times [2022-11-23 13:54:46,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:46,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845509876] [2022-11-23 13:54:46,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:46,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:54:47,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:47,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845509876] [2022-11-23 13:54:47,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845509876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:47,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:47,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:54:47,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318322277] [2022-11-23 13:54:47,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:47,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:54:47,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:47,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:54:47,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:54:47,417 INFO L87 Difference]: Start difference. First operand 28696 states and 41035 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) [2022-11-23 13:54:49,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:54:51,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:00,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:07,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:10,411 INFO L93 Difference]: Finished difference Result 28709 states and 41043 transitions. [2022-11-23 13:55:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:55:10,412 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 [2022-11-23 13:55:10,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:10,487 INFO L225 Difference]: With dead ends: 28709 [2022-11-23 13:55:10,487 INFO L226 Difference]: Without dead ends: 28707 [2022-11-23 13:55:10,494 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:55:10,494 INFO L413 NwaCegarLoop]: 9121 mSDtfsCounter, 5845 mSDsluCounter, 13303 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5852 SdHoareTripleChecker+Valid, 22424 SdHoareTripleChecker+Invalid, 2912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:10,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5852 Valid, 22424 Invalid, 2912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2908 Invalid, 4 Unknown, 0 Unchecked, 21.0s Time] [2022-11-23 13:55:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28707 states. [2022-11-23 13:55:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28707 to 28694. [2022-11-23 13:55:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28694 states, 17112 states have (on average 1.2740182328190743) internal successors, (21801), 17715 states have internal predecessors, (21801), 9537 states have call successors, (9537), 2041 states have call predecessors, (9537), 2030 states have return successors, (9695), 9357 states have call predecessors, (9695), 9535 states have call successors, (9695) [2022-11-23 13:55:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28694 states to 28694 states and 41033 transitions. [2022-11-23 13:55:12,196 INFO L78 Accepts]: Start accepts. Automaton has 28694 states and 41033 transitions. Word has length 99 [2022-11-23 13:55:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:12,197 INFO L495 AbstractCegarLoop]: Abstraction has 28694 states and 41033 transitions. [2022-11-23 13:55:12,197 INFO L496 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) [2022-11-23 13:55:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28694 states and 41033 transitions. [2022-11-23 13:55:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-23 13:55:12,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:12,200 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:55:12,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 13:55:12,200 INFO L420 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)] === [2022-11-23 13:55:12,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1247402711, now seen corresponding path program 1 times [2022-11-23 13:55:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:55:12,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184951872] [2022-11-23 13:55:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:55:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-23 13:55:14,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:55:14,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184951872] [2022-11-23 13:55:14,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184951872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:55:14,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:55:14,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:55:14,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47993517] [2022-11-23 13:55:14,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:55:14,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:55:14,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:55:14,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:55:14,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:55:14,089 INFO L87 Difference]: Start difference. First operand 28694 states and 41033 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) [2022-11-23 13:55:18,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:20,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:27,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:30,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:36,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:38,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:40,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:42,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:45,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:47,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:53,051 INFO L93 Difference]: Finished difference Result 45945 states and 65865 transitions. [2022-11-23 13:55:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:55:53,052 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 [2022-11-23 13:55:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:53,262 INFO L225 Difference]: With dead ends: 45945 [2022-11-23 13:55:53,262 INFO L226 Difference]: Without dead ends: 45943 [2022-11-23 13:55:53,282 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:55:53,283 INFO L413 NwaCegarLoop]: 8355 mSDtfsCounter, 4709 mSDsluCounter, 22454 mSDsCounter, 0 mSdLazyCounter, 3759 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4710 SdHoareTripleChecker+Valid, 30809 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3759 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:53,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4710 Valid, 30809 Invalid, 3770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3759 Invalid, 9 Unknown, 0 Unchecked, 35.9s Time] [2022-11-23 13:55:53,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45943 states. [2022-11-23 13:55:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45943 to 45770. [2022-11-23 13:55:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45770 states, 27091 states have (on average 1.256284374884648) internal successors, (34034), 28106 states have internal predecessors, (34034), 14927 states have call successors, (14927), 3758 states have call predecessors, (14927), 3737 states have return successors, (16707), 14518 states have call predecessors, (16707), 14925 states have call successors, (16707) [2022-11-23 13:55:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45770 states to 45770 states and 65668 transitions. [2022-11-23 13:55:56,310 INFO L78 Accepts]: Start accepts. Automaton has 45770 states and 65668 transitions. Word has length 132 [2022-11-23 13:55:56,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:56,311 INFO L495 AbstractCegarLoop]: Abstraction has 45770 states and 65668 transitions. [2022-11-23 13:55:56,311 INFO L496 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) [2022-11-23 13:55:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 45770 states and 65668 transitions. [2022-11-23 13:55:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-23 13:55:56,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:56,313 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:55:56,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 13:55:56,313 INFO L420 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)] === [2022-11-23 13:55:56,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:56,314 INFO L85 PathProgramCache]: Analyzing trace with hash 853898645, now seen corresponding path program 1 times [2022-11-23 13:55:56,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:55:56,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562302426] [2022-11-23 13:55:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:55:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:55:57,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:55:57,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562302426] [2022-11-23 13:55:57,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562302426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:55:57,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:55:57,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:55:57,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16027432] [2022-11-23 13:55:57,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:55:57,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:55:57,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:55:57,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:55:57,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:55:57,467 INFO L87 Difference]: Start difference. First operand 45770 states and 65668 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) [2022-11-23 13:55:59,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:01,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:10,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:12,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:16,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:18,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:20,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:22,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:26,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:56:29,141 INFO L93 Difference]: Finished difference Result 45788 states and 65681 transitions. [2022-11-23 13:56:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:56:29,142 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 [2022-11-23 13:56:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:56:29,283 INFO L225 Difference]: With dead ends: 45788 [2022-11-23 13:56:29,283 INFO L226 Difference]: Without dead ends: 45786 [2022-11-23 13:56:29,300 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:56:29,301 INFO L413 NwaCegarLoop]: 9154 mSDtfsCounter, 5864 mSDsluCounter, 13336 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5870 SdHoareTripleChecker+Valid, 22490 SdHoareTripleChecker+Invalid, 2933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:56:29,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5870 Valid, 22490 Invalid, 2933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2927 Invalid, 6 Unknown, 0 Unchecked, 29.2s Time] [2022-11-23 13:56:29,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45786 states. [2022-11-23 13:56:32,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45786 to 45768. [2022-11-23 13:56:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45768 states, 27090 states have (on average 1.2562569213732004) internal successors, (34032), 28104 states have internal predecessors, (34032), 14927 states have call successors, (14927), 3758 states have call predecessors, (14927), 3737 states have return successors, (16707), 14518 states have call predecessors, (16707), 14925 states have call successors, (16707) [2022-11-23 13:56:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45768 states to 45768 states and 65666 transitions. [2022-11-23 13:56:32,209 INFO L78 Accepts]: Start accepts. Automaton has 45768 states and 65666 transitions. Word has length 104 [2022-11-23 13:56:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:56:32,209 INFO L495 AbstractCegarLoop]: Abstraction has 45768 states and 65666 transitions. [2022-11-23 13:56:32,210 INFO L496 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) [2022-11-23 13:56:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 45768 states and 65666 transitions. [2022-11-23 13:56:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 13:56:32,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:32,212 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:56:32,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 13:56:32,213 INFO L420 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)] === [2022-11-23 13:56:32,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:32,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1368192722, now seen corresponding path program 1 times [2022-11-23 13:56:32,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:56:32,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492152361] [2022-11-23 13:56:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:56:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:56:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:56:33,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:56:33,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492152361] [2022-11-23 13:56:33,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492152361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:56:33,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:56:33,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:56:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093657099] [2022-11-23 13:56:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:56:33,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:56:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:56:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:56:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:56:33,036 INFO L87 Difference]: Start difference. First operand 45768 states and 65666 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) [2022-11-23 13:56:35,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:37,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:45,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:48,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:54,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:56:54,557 INFO L93 Difference]: Finished difference Result 45783 states and 65676 transitions. [2022-11-23 13:56:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:56:54,559 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 [2022-11-23 13:56:54,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:56:54,693 INFO L225 Difference]: With dead ends: 45783 [2022-11-23 13:56:54,694 INFO L226 Difference]: Without dead ends: 45781 [2022-11-23 13:56:54,708 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:56:54,709 INFO L413 NwaCegarLoop]: 9135 mSDtfsCounter, 5839 mSDsluCounter, 13317 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5846 SdHoareTripleChecker+Valid, 22452 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:56:54,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5846 Valid, 22452 Invalid, 2920 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2916 Invalid, 4 Unknown, 0 Unchecked, 18.5s Time] [2022-11-23 13:56:54,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45781 states. [2022-11-23 13:56:57,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45781 to 45766. [2022-11-23 13:56:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45766 states, 27089 states have (on average 1.2562294658348407) internal successors, (34030), 28102 states have internal predecessors, (34030), 14927 states have call successors, (14927), 3758 states have call predecessors, (14927), 3737 states have return successors, (16707), 14518 states have call predecessors, (16707), 14925 states have call successors, (16707) [2022-11-23 13:56:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45766 states to 45766 states and 65664 transitions. [2022-11-23 13:56:57,526 INFO L78 Accepts]: Start accepts. Automaton has 45766 states and 65664 transitions. Word has length 109 [2022-11-23 13:56:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:56:57,526 INFO L495 AbstractCegarLoop]: Abstraction has 45766 states and 65664 transitions. [2022-11-23 13:56:57,526 INFO L496 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) [2022-11-23 13:56:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 45766 states and 65664 transitions. [2022-11-23 13:56:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-23 13:56:57,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:57,528 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:56:57,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 13:56:57,528 INFO L420 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)] === [2022-11-23 13:56:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:57,529 INFO L85 PathProgramCache]: Analyzing trace with hash 285225156, now seen corresponding path program 1 times [2022-11-23 13:56:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:56:57,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786964470] [2022-11-23 13:56:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:56:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:56:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:56:58,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:56:58,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786964470] [2022-11-23 13:56:58,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786964470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:56:58,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:56:58,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:56:58,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837318618] [2022-11-23 13:56:58,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:56:58,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:56:58,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:56:58,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:56:58,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:56:58,395 INFO L87 Difference]: Start difference. First operand 45766 states and 65664 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) [2022-11-23 13:57:00,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:02,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:11,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:14,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:16,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:21,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:26,990 INFO L93 Difference]: Finished difference Result 45782 states and 65675 transitions. [2022-11-23 13:57:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:26,991 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 [2022-11-23 13:57:26,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:27,145 INFO L225 Difference]: With dead ends: 45782 [2022-11-23 13:57:27,145 INFO L226 Difference]: Without dead ends: 45780 [2022-11-23 13:57:27,158 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:27,159 INFO L413 NwaCegarLoop]: 9366 mSDtfsCounter, 6091 mSDsluCounter, 13548 mSDsCounter, 0 mSdLazyCounter, 2949 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 22914 SdHoareTripleChecker+Invalid, 2954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2949 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:27,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6095 Valid, 22914 Invalid, 2954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2949 Invalid, 5 Unknown, 0 Unchecked, 25.8s Time] [2022-11-23 13:57:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45780 states. [2022-11-23 13:57:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45780 to 45764. [2022-11-23 13:57:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45764 states, 27088 states have (on average 1.2562020082693444) internal successors, (34028), 28100 states have internal predecessors, (34028), 14927 states have call successors, (14927), 3758 states have call predecessors, (14927), 3737 states have return successors, (16707), 14518 states have call predecessors, (16707), 14925 states have call successors, (16707) [2022-11-23 13:57:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45764 states to 45764 states and 65662 transitions. [2022-11-23 13:57:30,203 INFO L78 Accepts]: Start accepts. Automaton has 45764 states and 65662 transitions. Word has length 114 [2022-11-23 13:57:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:30,204 INFO L495 AbstractCegarLoop]: Abstraction has 45764 states and 65662 transitions. [2022-11-23 13:57:30,204 INFO L496 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) [2022-11-23 13:57:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 45764 states and 65662 transitions. [2022-11-23 13:57:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 13:57:30,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:30,207 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:57:30,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 13:57:30,208 INFO L420 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)] === [2022-11-23 13:57:30,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:30,208 INFO L85 PathProgramCache]: Analyzing trace with hash -480625990, now seen corresponding path program 1 times [2022-11-23 13:57:30,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:57:30,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462554822] [2022-11-23 13:57:30,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:30,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:57:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:57:32,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:57:32,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462554822] [2022-11-23 13:57:32,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462554822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:32,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:32,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:32,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896348888] [2022-11-23 13:57:32,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:32,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:32,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:57:32,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:32,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:32,239 INFO L87 Difference]: Start difference. First operand 45764 states and 65662 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) [2022-11-23 13:57:34,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:36,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:44,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:49,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:51,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:55,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:59,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:59,460 INFO L93 Difference]: Finished difference Result 45780 states and 65673 transitions. [2022-11-23 13:57:59,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:57:59,461 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 [2022-11-23 13:57:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:59,579 INFO L225 Difference]: With dead ends: 45780 [2022-11-23 13:57:59,579 INFO L226 Difference]: Without dead ends: 45778 [2022-11-23 13:57:59,591 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:57:59,592 INFO L413 NwaCegarLoop]: 9367 mSDtfsCounter, 6088 mSDsluCounter, 13549 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6092 SdHoareTripleChecker+Valid, 22916 SdHoareTripleChecker+Invalid, 2953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:59,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6092 Valid, 22916 Invalid, 2953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2948 Invalid, 5 Unknown, 0 Unchecked, 23.9s Time] [2022-11-23 13:57:59,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45778 states. [2022-11-23 13:58:02,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45778 to 45762. [2022-11-23 13:58:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45762 states, 27087 states have (on average 1.2561745486764868) internal successors, (34026), 28098 states have internal predecessors, (34026), 14927 states have call successors, (14927), 3758 states have call predecessors, (14927), 3737 states have return successors, (16707), 14518 states have call predecessors, (16707), 14925 states have call successors, (16707) [2022-11-23 13:58:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45762 states to 45762 states and 65660 transitions. [2022-11-23 13:58:02,527 INFO L78 Accepts]: Start accepts. Automaton has 45762 states and 65660 transitions. Word has length 119 [2022-11-23 13:58:02,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:58:02,527 INFO L495 AbstractCegarLoop]: Abstraction has 45762 states and 65660 transitions. [2022-11-23 13:58:02,527 INFO L496 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) [2022-11-23 13:58:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 45762 states and 65660 transitions. [2022-11-23 13:58:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-23 13:58:02,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:58:02,530 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:58:02,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 13:58:02,530 INFO L420 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)] === [2022-11-23 13:58:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:58:02,531 INFO L85 PathProgramCache]: Analyzing trace with hash -248433976, now seen corresponding path program 1 times [2022-11-23 13:58:02,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:58:02,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141625836] [2022-11-23 13:58:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:58:02,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:58:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:58:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-23 13:58:04,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:58:04,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141625836] [2022-11-23 13:58:04,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141625836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:58:04,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:58:04,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:58:04,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822752874] [2022-11-23 13:58:04,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:58:04,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:58:04,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:58:04,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:58:04,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:58:04,161 INFO L87 Difference]: Start difference. First operand 45762 states and 65660 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) [2022-11-23 13:58:06,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:08,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:15,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:20,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:22,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:24,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:25,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:58:30,707 INFO L93 Difference]: Finished difference Result 59012 states and 84602 transitions. [2022-11-23 13:58:30,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:58:30,711 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 [2022-11-23 13:58:30,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:58:30,919 INFO L225 Difference]: With dead ends: 59012 [2022-11-23 13:58:30,919 INFO L226 Difference]: Without dead ends: 59010 [2022-11-23 13:58:30,941 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:58:30,942 INFO L413 NwaCegarLoop]: 7177 mSDtfsCounter, 4455 mSDsluCounter, 18533 mSDsCounter, 0 mSdLazyCounter, 3259 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 25710 SdHoareTripleChecker+Invalid, 3264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3259 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:58:30,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 25710 Invalid, 3264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3259 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2022-11-23 13:58:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59010 states. [2022-11-23 13:58:34,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59010 to 58981. [2022-11-23 13:58:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58981 states, 34786 states have (on average 1.2482607945725293) internal successors, (43422), 36122 states have internal predecessors, (43422), 19100 states have call successors, (19100), 5140 states have call predecessors, (19100), 5084 states have return successors, (22042), 18464 states have call predecessors, (22042), 19098 states have call successors, (22042) [2022-11-23 13:58:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58981 states to 58981 states and 84564 transitions. [2022-11-23 13:58:35,047 INFO L78 Accepts]: Start accepts. Automaton has 58981 states and 84564 transitions. Word has length 151 [2022-11-23 13:58:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:58:35,048 INFO L495 AbstractCegarLoop]: Abstraction has 58981 states and 84564 transitions. [2022-11-23 13:58:35,048 INFO L496 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) [2022-11-23 13:58:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 58981 states and 84564 transitions. [2022-11-23 13:58:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-23 13:58:35,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:58:35,051 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:58:35,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 13:58:35,052 INFO L420 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)] === [2022-11-23 13:58:35,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:58:35,052 INFO L85 PathProgramCache]: Analyzing trace with hash -21602446, now seen corresponding path program 1 times [2022-11-23 13:58:35,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:58:35,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662361520] [2022-11-23 13:58:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:58:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:58:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:58:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:58:36,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:58:36,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662361520] [2022-11-23 13:58:36,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662361520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:58:36,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:58:36,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:58:36,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143877078] [2022-11-23 13:58:36,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:58:36,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:58:36,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:58:36,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:58:36,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:58:36,048 INFO L87 Difference]: Start difference. First operand 58981 states and 84564 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) [2022-11-23 13:58:38,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:40,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:48,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:52,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:53,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:57,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:00,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:59:03,377 INFO L93 Difference]: Finished difference Result 58997 states and 84575 transitions. [2022-11-23 13:59:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:59:03,378 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 [2022-11-23 13:59:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:59:03,555 INFO L225 Difference]: With dead ends: 58997 [2022-11-23 13:59:03,555 INFO L226 Difference]: Without dead ends: 58995 [2022-11-23 13:59:03,578 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:59:03,578 INFO L413 NwaCegarLoop]: 9386 mSDtfsCounter, 6085 mSDsluCounter, 13568 mSDsCounter, 0 mSdLazyCounter, 2950 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6089 SdHoareTripleChecker+Valid, 22954 SdHoareTripleChecker+Invalid, 2954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2950 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:59:03,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6089 Valid, 22954 Invalid, 2954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2950 Invalid, 4 Unknown, 0 Unchecked, 23.7s Time] [2022-11-23 13:59:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58995 states. [2022-11-23 13:59:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58995 to 58979. [2022-11-23 13:59:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58979 states, 34785 states have (on average 1.2482391835561306) internal successors, (43420), 36120 states have internal predecessors, (43420), 19100 states have call successors, (19100), 5140 states have call predecessors, (19100), 5084 states have return successors, (22042), 18464 states have call predecessors, (22042), 19098 states have call successors, (22042) [2022-11-23 13:59:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58979 states to 58979 states and 84562 transitions. [2022-11-23 13:59:07,528 INFO L78 Accepts]: Start accepts. Automaton has 58979 states and 84562 transitions. Word has length 124 [2022-11-23 13:59:07,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:59:07,529 INFO L495 AbstractCegarLoop]: Abstraction has 58979 states and 84562 transitions. [2022-11-23 13:59:07,529 INFO L496 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) [2022-11-23 13:59:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 58979 states and 84562 transitions. [2022-11-23 13:59:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 13:59:07,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:59:07,534 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:59:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 13:59:07,534 INFO L420 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)] === [2022-11-23 13:59:07,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:59:07,534 INFO L85 PathProgramCache]: Analyzing trace with hash 385461463, now seen corresponding path program 1 times [2022-11-23 13:59:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:59:07,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775431784] [2022-11-23 13:59:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:59:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:59:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:59:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-23 13:59:09,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:59:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775431784] [2022-11-23 13:59:09,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775431784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:59:09,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:59:09,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:59:09,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963714599] [2022-11-23 13:59:09,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:59:09,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:59:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:59:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:59:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:59:09,956 INFO L87 Difference]: Start difference. First operand 58979 states and 84562 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) [2022-11-23 13:59:13,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:15,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:21,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:24,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:26,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:28,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:59:33,913 INFO L93 Difference]: Finished difference Result 112582 states and 165017 transitions. [2022-11-23 13:59:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:59:33,916 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 [2022-11-23 13:59:33,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:59:34,179 INFO L225 Difference]: With dead ends: 112582 [2022-11-23 13:59:34,179 INFO L226 Difference]: Without dead ends: 59109 [2022-11-23 13:59:34,551 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:59:34,552 INFO L413 NwaCegarLoop]: 5815 mSDtfsCounter, 7 mSDsluCounter, 11557 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17372 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:59:34,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17372 Invalid, 2396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2392 Invalid, 4 Unknown, 0 Unchecked, 20.0s Time] [2022-11-23 13:59:34,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59109 states. [2022-11-23 13:59:38,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59109 to 59055. [2022-11-23 13:59:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59055 states, 34853 states have (on average 1.2477548561099474) internal successors, (43488), 36196 states have internal predecessors, (43488), 19100 states have call successors, (19100), 5140 states have call predecessors, (19100), 5092 states have return successors, (22050), 18464 states have call predecessors, (22050), 19098 states have call successors, (22050) [2022-11-23 13:59:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59055 states to 59055 states and 84638 transitions. [2022-11-23 13:59:38,672 INFO L78 Accepts]: Start accepts. Automaton has 59055 states and 84638 transitions. Word has length 139 [2022-11-23 13:59:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:59:38,673 INFO L495 AbstractCegarLoop]: Abstraction has 59055 states and 84638 transitions. [2022-11-23 13:59:38,673 INFO L496 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) [2022-11-23 13:59:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 59055 states and 84638 transitions. [2022-11-23 13:59:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 13:59:38,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:59:38,680 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:59:38,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 13:59:38,680 INFO L420 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)] === [2022-11-23 13:59:38,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:59:38,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1342419306, now seen corresponding path program 1 times [2022-11-23 13:59:38,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:59:38,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294460170] [2022-11-23 13:59:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:59:38,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:59:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:59:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:59:39,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:59:39,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294460170] [2022-11-23 13:59:39,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294460170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:59:39,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:59:39,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:59:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468101915] [2022-11-23 13:59:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:59:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:59:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:59:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:59:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:59:39,894 INFO L87 Difference]: Start difference. First operand 59055 states and 84638 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) [2022-11-23 13:59:43,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:45,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:51,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:54,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:56,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:59:59,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:00:01,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:00:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:00:05,420 INFO L93 Difference]: Finished difference Result 59071 states and 84649 transitions. [2022-11-23 14:00:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:00:05,421 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 129 [2022-11-23 14:00:05,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:00:05,676 INFO L225 Difference]: With dead ends: 59071 [2022-11-23 14:00:05,676 INFO L226 Difference]: Without dead ends: 59069 [2022-11-23 14:00:05,701 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:00:05,702 INFO L413 NwaCegarLoop]: 6944 mSDtfsCounter, 6082 mSDsluCounter, 11126 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6086 SdHoareTripleChecker+Valid, 18070 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:00:05,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6086 Valid, 18070 Invalid, 2159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2154 Invalid, 5 Unknown, 0 Unchecked, 21.8s Time] [2022-11-23 14:00:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59069 states.