./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/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_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:49:56,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:49:56,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:49:56,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:49:56,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:49:56,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:49:56,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:49:56,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:49:56,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:49:56,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:49:56,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:49:56,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:49:56,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:49:56,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:49:56,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:49:56,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:49:56,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:49:56,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:49:56,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:49:56,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:49:56,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:49:56,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:49:56,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:49:56,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:49:56,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:49:56,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:49:56,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:49:56,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:49:56,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:49:56,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:49:56,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:49:56,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:49:56,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:49:56,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:49:56,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:49:56,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:49:56,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:49:56,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:49:56,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:49:56,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:49:56,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:49:56,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:49:56,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:49:56,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:49:56,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:49:56,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:49:56,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:49:56,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:49:56,408 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:49:56,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:49:56,408 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:49:56,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:49:56,409 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:49:56,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:49:56,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:49:56,410 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:49:56,410 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:49:56,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:49:56,410 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:49:56,411 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:49:56,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:49:56,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:49:56,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:49:56,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:49:56,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:49:56,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:49:56,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:49:56,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:49:56,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:49:56,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:49:56,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:49:56,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:49:56,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:49:56,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:49:56,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:49:56,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:49:56,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:49:56,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:49:56,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:49:56,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:49:56,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2021-11-21 00:49:56,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:49:56,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:49:56,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:49:56,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:49:56,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:49:56,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-21 00:49:56,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/data/ea5951133/40d56eb3dcf3429490ecf6d9d3f6b058/FLAG5d6bd1a45 [2021-11-21 00:49:58,092 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:49:58,093 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-21 00:49:58,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/data/ea5951133/40d56eb3dcf3429490ecf6d9d3f6b058/FLAG5d6bd1a45 [2021-11-21 00:49:58,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/data/ea5951133/40d56eb3dcf3429490ecf6d9d3f6b058 [2021-11-21 00:49:58,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:49:58,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:49:58,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:49:58,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:49:58,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:49:58,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:49:58" (1/1) ... [2021-11-21 00:49:58,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f2865f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:58, skipping insertion in model container [2021-11-21 00:49:58,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:49:58" (1/1) ... [2021-11-21 00:49:58,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:49:59,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:50:09,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-21 00:50:09,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-21 00:50:09,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-21 00:50:09,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-21 00:50:09,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-21 00:50:09,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-21 00:50:09,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-21 00:50:09,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-21 00:50:09,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-21 00:50:09,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-21 00:50:09,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-21 00:50:09,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-21 00:50:09,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-21 00:50:09,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-21 00:50:09,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-21 00:50:09,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-21 00:50:09,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-21 00:50:09,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-21 00:50:09,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-21 00:50:09,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-21 00:50:09,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-21 00:50:09,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-21 00:50:09,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-21 00:50:09,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-21 00:50:09,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-21 00:50:09,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-21 00:50:09,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-21 00:50:09,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-21 00:50:09,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-21 00:50:09,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-21 00:50:09,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-21 00:50:09,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-21 00:50:09,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-21 00:50:09,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-21 00:50:09,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-21 00:50:09,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-21 00:50:09,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-21 00:50:09,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-21 00:50:09,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-21 00:50:09,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-21 00:50:09,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-21 00:50:09,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-21 00:50:09,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-21 00:50:09,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-21 00:50:09,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-21 00:50:09,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-21 00:50:09,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-21 00:50:09,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-21 00:50:09,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-21 00:50:09,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-21 00:50:09,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-21 00:50:09,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-21 00:50:09,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-21 00:50:09,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-21 00:50:09,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-21 00:50:09,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-21 00:50:09,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-21 00:50:09,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-21 00:50:09,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-21 00:50:09,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-21 00:50:09,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-21 00:50:09,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-21 00:50:09,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-21 00:50:09,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-21 00:50:09,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-21 00:50:09,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-21 00:50:09,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-21 00:50:09,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-21 00:50:09,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-21 00:50:09,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-21 00:50:09,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-21 00:50:09,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-21 00:50:09,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-21 00:50:09,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-21 00:50:09,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-21 00:50:09,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-21 00:50:09,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-21 00:50:09,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-21 00:50:09,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-21 00:50:09,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-21 00:50:09,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-21 00:50:09,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-21 00:50:09,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-21 00:50:09,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-21 00:50:09,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-21 00:50:09,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-21 00:50:09,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-21 00:50:09,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-21 00:50:09,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:50:09,477 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:50:10,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-21 00:50:10,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-21 00:50:10,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-21 00:50:10,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-21 00:50:10,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-21 00:50:10,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-21 00:50:10,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-21 00:50:10,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-21 00:50:10,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-21 00:50:10,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-21 00:50:10,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-21 00:50:10,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-21 00:50:10,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-21 00:50:10,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-21 00:50:10,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-21 00:50:10,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-21 00:50:10,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-21 00:50:10,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-21 00:50:10,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-21 00:50:10,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-21 00:50:10,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-21 00:50:10,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-21 00:50:10,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-21 00:50:10,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-21 00:50:10,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-21 00:50:10,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-21 00:50:10,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-21 00:50:10,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-21 00:50:10,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-21 00:50:10,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-21 00:50:10,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-21 00:50:10,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-21 00:50:10,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-21 00:50:10,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-21 00:50:10,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-21 00:50:10,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-21 00:50:10,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-21 00:50:10,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-21 00:50:10,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-21 00:50:10,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-21 00:50:10,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-21 00:50:10,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-21 00:50:10,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-21 00:50:10,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-21 00:50:10,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-21 00:50:10,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-21 00:50:10,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-21 00:50:10,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-21 00:50:10,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-21 00:50:10,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-21 00:50:10,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-21 00:50:10,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-21 00:50:10,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-21 00:50:10,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-21 00:50:10,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-21 00:50:10,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-21 00:50:10,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-21 00:50:10,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-21 00:50:10,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-21 00:50:10,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-21 00:50:10,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-21 00:50:10,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-21 00:50:10,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-21 00:50:10,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-21 00:50:10,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-21 00:50:10,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-21 00:50:10,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-21 00:50:10,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-21 00:50:10,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-21 00:50:10,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-21 00:50:10,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-21 00:50:10,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-21 00:50:10,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-21 00:50:10,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-21 00:50:10,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-21 00:50:10,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-21 00:50:10,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-21 00:50:10,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-21 00:50:10,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-21 00:50:10,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-21 00:50:10,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-21 00:50:10,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-21 00:50:10,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-21 00:50:10,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-21 00:50:10,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-21 00:50:10,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-21 00:50:10,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-21 00:50:10,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-21 00:50:10,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:50:11,340 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:50:11,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11 WrapperNode [2021-11-21 00:50:11,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:50:11,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:50:11,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:50:11,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:50:11,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:11,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:12,461 INFO L137 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2021-11-21 00:50:12,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:50:12,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:50:12,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:50:12,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:50:12,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:12,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:12,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:12,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:13,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:13,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:13,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:13,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:50:13,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:50:13,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:50:13,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:50:13,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (1/1) ... [2021-11-21 00:50:13,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:50:13,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:50:13,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:50:13,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:50:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2021-11-21 00:50:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2021-11-21 00:50:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-21 00:50:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-21 00:50:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2021-11-21 00:50:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2021-11-21 00:50:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-21 00:50:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2021-11-21 00:50:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2021-11-21 00:50:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2021-11-21 00:50:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2021-11-21 00:50:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-21 00:50:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-21 00:50:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-11-21 00:50:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-11-21 00:50:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2021-11-21 00:50:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2021-11-21 00:50:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:50:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:50:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2021-11-21 00:50:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2021-11-21 00:50:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2021-11-21 00:50:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2021-11-21 00:50:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:50:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:50:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2021-11-21 00:50:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2021-11-21 00:50:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-21 00:50:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-21 00:50:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:50:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:50:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:50:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:50:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2021-11-21 00:50:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2021-11-21 00:50:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2021-11-21 00:50:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2021-11-21 00:50:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2021-11-21 00:50:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2021-11-21 00:50:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2021-11-21 00:50:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2021-11-21 00:50:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2021-11-21 00:50:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2021-11-21 00:50:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:50:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:50:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2021-11-21 00:50:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2021-11-21 00:50:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:50:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:50:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2021-11-21 00:50:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2021-11-21 00:50:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2021-11-21 00:50:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2021-11-21 00:50:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:50:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:50:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2021-11-21 00:50:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2021-11-21 00:50:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:50:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:50:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:50:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:50:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:50:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2021-11-21 00:50:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2021-11-21 00:50:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-21 00:50:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-21 00:50:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:50:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:50:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2021-11-21 00:50:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2021-11-21 00:50:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:50:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2021-11-21 00:50:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2021-11-21 00:50:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2021-11-21 00:50:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:50:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:50:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:50:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:50:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2021-11-21 00:50:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2021-11-21 00:50:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2021-11-21 00:50:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2021-11-21 00:50:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:50:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2021-11-21 00:50:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2021-11-21 00:50:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:50:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2021-11-21 00:50:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2021-11-21 00:50:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2021-11-21 00:50:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2021-11-21 00:50:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2021-11-21 00:50:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-21 00:50:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-21 00:50:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2021-11-21 00:50:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2021-11-21 00:50:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2021-11-21 00:50:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2021-11-21 00:50:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:50:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:50:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2021-11-21 00:50:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2021-11-21 00:50:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:50:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:50:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2021-11-21 00:50:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2021-11-21 00:50:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2021-11-21 00:50:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2021-11-21 00:50:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:50:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-11-21 00:50:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-11-21 00:50:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2021-11-21 00:50:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2021-11-21 00:50:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-21 00:50:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-21 00:50:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2021-11-21 00:50:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2021-11-21 00:50:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2021-11-21 00:50:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2021-11-21 00:50:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:50:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:50:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2021-11-21 00:50:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2021-11-21 00:50:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:50:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:50:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2021-11-21 00:50:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2021-11-21 00:50:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-21 00:50:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-21 00:50:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:50:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:50:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:50:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:50:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:50:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-11-21 00:50:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-11-21 00:50:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:50:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:50:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:50:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:50:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2021-11-21 00:50:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2021-11-21 00:50:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-11-21 00:50:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2021-11-21 00:50:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2021-11-21 00:50:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2021-11-21 00:50:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2021-11-21 00:50:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:50:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:50:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 00:50:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 00:50:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2021-11-21 00:50:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2021-11-21 00:50:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2021-11-21 00:50:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2021-11-21 00:50:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 00:50:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 00:50:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2021-11-21 00:50:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2021-11-21 00:50:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2021-11-21 00:50:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2021-11-21 00:50:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:50:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:50:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-11-21 00:50:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-11-21 00:50:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2021-11-21 00:50:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2021-11-21 00:50:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2021-11-21 00:50:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2021-11-21 00:50:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2021-11-21 00:50:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2021-11-21 00:50:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 00:50:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 00:50:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2021-11-21 00:50:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2021-11-21 00:50:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2021-11-21 00:50:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2021-11-21 00:50:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:50:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:50:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2021-11-21 00:50:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2021-11-21 00:50:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:50:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:50:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2021-11-21 00:50:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-21 00:50:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2021-11-21 00:50:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2021-11-21 00:50:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2021-11-21 00:50:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:50:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-21 00:50:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:50:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-21 00:50:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-21 00:50:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2021-11-21 00:50:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-21 00:50:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-11-21 00:50:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-21 00:50:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2021-11-21 00:50:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-21 00:50:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2021-11-21 00:50:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2021-11-21 00:50:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2021-11-21 00:50:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2021-11-21 00:50:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2021-11-21 00:50:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2021-11-21 00:50:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-21 00:50:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-21 00:50:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-21 00:50:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2021-11-21 00:50:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2021-11-21 00:50:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2021-11-21 00:50:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2021-11-21 00:50:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2021-11-21 00:50:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2021-11-21 00:50:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2021-11-21 00:50:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-21 00:50:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-21 00:50:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:50:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:50:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:50:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:50:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2021-11-21 00:50:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2021-11-21 00:50:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2021-11-21 00:50:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2021-11-21 00:50:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2021-11-21 00:50:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2021-11-21 00:50:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:50:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:50:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2021-11-21 00:50:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2021-11-21 00:50:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2021-11-21 00:50:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2021-11-21 00:50:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-21 00:50:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-21 00:50:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2021-11-21 00:50:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2021-11-21 00:50:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2021-11-21 00:50:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2021-11-21 00:50:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2021-11-21 00:50:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2021-11-21 00:50:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2021-11-21 00:50:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2021-11-21 00:50:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2021-11-21 00:50:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2021-11-21 00:50:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-21 00:50:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-21 00:50:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:50:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:50:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:50:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:50:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-21 00:50:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-21 00:50:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2021-11-21 00:50:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2021-11-21 00:50:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:50:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:50:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-21 00:50:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-21 00:50:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2021-11-21 00:50:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2021-11-21 00:50:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:50:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:50:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:50:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:50:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-21 00:50:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-21 00:50:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:50:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2021-11-21 00:50:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2021-11-21 00:50:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-21 00:50:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-21 00:50:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2021-11-21 00:50:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2021-11-21 00:50:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2021-11-21 00:50:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2021-11-21 00:50:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 00:50:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 00:50:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2021-11-21 00:50:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:50:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:50:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2021-11-21 00:50:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2021-11-21 00:50:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2021-11-21 00:50:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2021-11-21 00:50:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-21 00:50:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-21 00:50:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2021-11-21 00:50:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2021-11-21 00:50:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:50:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:50:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:50:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2021-11-21 00:50:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2021-11-21 00:50:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2021-11-21 00:50:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2021-11-21 00:50:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2021-11-21 00:50:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2021-11-21 00:50:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2021-11-21 00:50:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2021-11-21 00:50:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-21 00:50:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-21 00:50:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2021-11-21 00:50:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2021-11-21 00:50:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:50:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:50:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 00:50:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 00:50:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2021-11-21 00:50:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2021-11-21 00:50:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:50:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:50:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:50:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:50:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-21 00:50:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-21 00:50:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-21 00:50:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-21 00:50:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:50:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:50:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:50:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:50:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2021-11-21 00:50:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2021-11-21 00:50:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-21 00:50:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-21 00:50:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 00:50:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 00:50:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:50:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:50:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2021-11-21 00:50:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2021-11-21 00:50:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2021-11-21 00:50:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2021-11-21 00:50:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2021-11-21 00:50:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2021-11-21 00:50:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-11-21 00:50:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-11-21 00:50:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-21 00:50:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-21 00:50:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2021-11-21 00:50:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2021-11-21 00:50:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-11-21 00:50:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-11-21 00:50:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-21 00:50:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-21 00:50:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2021-11-21 00:50:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2021-11-21 00:50:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:50:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:50:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:50:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:50:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2021-11-21 00:50:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2021-11-21 00:50:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2021-11-21 00:50:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2021-11-21 00:50:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2021-11-21 00:50:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2021-11-21 00:50:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2021-11-21 00:50:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2021-11-21 00:50:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 00:50:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 00:50:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2021-11-21 00:50:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2021-11-21 00:50:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2021-11-21 00:50:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2021-11-21 00:50:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2021-11-21 00:50:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2021-11-21 00:50:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:50:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:50:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2021-11-21 00:50:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2021-11-21 00:50:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-21 00:50:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-21 00:50:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-21 00:50:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-21 00:50:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2021-11-21 00:50:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2021-11-21 00:50:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2021-11-21 00:50:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2021-11-21 00:50:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2021-11-21 00:50:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2021-11-21 00:50:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2021-11-21 00:50:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2021-11-21 00:50:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2021-11-21 00:50:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:50:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:50:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:50:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-21 00:50:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-21 00:50:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2021-11-21 00:50:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2021-11-21 00:50:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2021-11-21 00:50:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2021-11-21 00:50:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:50:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:50:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-21 00:50:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-21 00:50:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:50:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:50:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2021-11-21 00:50:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2021-11-21 00:50:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2021-11-21 00:50:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2021-11-21 00:50:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2021-11-21 00:50:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-21 00:50:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-21 00:50:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2021-11-21 00:50:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2021-11-21 00:50:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2021-11-21 00:50:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2021-11-21 00:50:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2021-11-21 00:50:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2021-11-21 00:50:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2021-11-21 00:50:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2021-11-21 00:50:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2021-11-21 00:50:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2021-11-21 00:50:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2021-11-21 00:50:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2021-11-21 00:50:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2021-11-21 00:50:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2021-11-21 00:50:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-11-21 00:50:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-11-21 00:50:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:50:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2021-11-21 00:50:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2021-11-21 00:50:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-21 00:50:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-21 00:50:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:50:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:50:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2021-11-21 00:50:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2021-11-21 00:50:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-21 00:50:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-21 00:50:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:50:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:50:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2021-11-21 00:50:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2021-11-21 00:50:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2021-11-21 00:50:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2021-11-21 00:50:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2021-11-21 00:50:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2021-11-21 00:50:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2021-11-21 00:50:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2021-11-21 00:50:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-21 00:50:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-21 00:50:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-21 00:50:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-21 00:50:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:50:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:50:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-21 00:50:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-21 00:50:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:50:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:50:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:50:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:50:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:50:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:50:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2021-11-21 00:50:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2021-11-21 00:50:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2021-11-21 00:50:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2021-11-21 00:50:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:50:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:50:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:50:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:50:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2021-11-21 00:50:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2021-11-21 00:50:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2021-11-21 00:50:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2021-11-21 00:50:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:50:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:50:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-11-21 00:50:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-11-21 00:50:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:50:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:50:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2021-11-21 00:50:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2021-11-21 00:50:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2021-11-21 00:50:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2021-11-21 00:50:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2021-11-21 00:50:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2021-11-21 00:50:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2021-11-21 00:50:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2021-11-21 00:50:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2021-11-21 00:50:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2021-11-21 00:50:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 00:50:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 00:50:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2021-11-21 00:50:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2021-11-21 00:50:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:50:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:50:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-21 00:50:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-21 00:50:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2021-11-21 00:50:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2021-11-21 00:50:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:50:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:50:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 00:50:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 00:50:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2021-11-21 00:50:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2021-11-21 00:50:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:50:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:50:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-11-21 00:50:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-11-21 00:50:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2021-11-21 00:50:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2021-11-21 00:50:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:50:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:50:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:50:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-11-21 00:50:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-11-21 00:50:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2021-11-21 00:50:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2021-11-21 00:50:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2021-11-21 00:50:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2021-11-21 00:50:16,117 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:50:16,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:50:17,313 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:50:34,348 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:50:39,865 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:50:39,865 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 00:50:39,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:39 BoogieIcfgContainer [2021-11-21 00:50:39,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:50:39,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:50:39,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:50:39,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:50:39,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:49:58" (1/3) ... [2021-11-21 00:50:39,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38607521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:39, skipping insertion in model container [2021-11-21 00:50:39,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:50:11" (2/3) ... [2021-11-21 00:50:39,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38607521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:50:39, skipping insertion in model container [2021-11-21 00:50:39,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:50:39" (3/3) ... [2021-11-21 00:50:39,890 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-21 00:50:39,895 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:50:39,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-21 00:50:39,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:50:39,971 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:50:39,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-21 00:50:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) [2021-11-21 00:50:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 00:50:40,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:50:40,080 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:50:40,081 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:50:40,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:50:40,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2094591935, now seen corresponding path program 1 times [2021-11-21 00:50:40,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:50:40,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933328914] [2021-11-21 00:50:40,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:50:40,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:50:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:50:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:50:41,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:50:41,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933328914] [2021-11-21 00:50:41,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933328914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:50:41,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:50:41,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:50:41,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472056323] [2021-11-21 00:50:41,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:50:41,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:50:41,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:50:41,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:50:41,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:50:41,260 INFO L87 Difference]: Start difference. First operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:50:45,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:50:50,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:50:54,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:50:56,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:50:57,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:01,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:04,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:06,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:51:08,445 INFO L93 Difference]: Finished difference Result 12096 states and 17933 transitions. [2021-11-21 00:51:08,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:51:08,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-21 00:51:08,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:51:08,550 INFO L225 Difference]: With dead ends: 12096 [2021-11-21 00:51:08,550 INFO L226 Difference]: Without dead ends: 7475 [2021-11-21 00:51:08,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:51:08,607 INFO L933 BasicCegarLoop]: 8469 mSDtfsCounter, 5965 mSDsluCounter, 14287 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5971 SdHoareTripleChecker+Valid, 21108 SdHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:51:08,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5971 Valid, 21108 Invalid, 2758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2753 Invalid, 5 Unknown, 0 Unchecked, 26.0s Time] [2021-11-21 00:51:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2021-11-21 00:51:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 7464. [2021-11-21 00:51:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7464 states, 4440 states have (on average 1.2783783783783784) internal successors, (5676), 4628 states have internal predecessors, (5676), 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) [2021-11-21 00:51:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7464 states to 7464 states and 10669 transitions. [2021-11-21 00:51:09,513 INFO L78 Accepts]: Start accepts. Automaton has 7464 states and 10669 transitions. Word has length 47 [2021-11-21 00:51:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:51:09,515 INFO L470 AbstractCegarLoop]: Abstraction has 7464 states and 10669 transitions. [2021-11-21 00:51:09,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:51:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 7464 states and 10669 transitions. [2021-11-21 00:51:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:51:09,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:51:09,523 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:51:09,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:51:09,524 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:51:09,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:51:09,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1204864001, now seen corresponding path program 1 times [2021-11-21 00:51:09,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:51:09,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353664508] [2021-11-21 00:51:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:51:09,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:51:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:51:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:51:10,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:51:10,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353664508] [2021-11-21 00:51:10,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353664508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:51:10,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:51:10,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:51:10,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907804003] [2021-11-21 00:51:10,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:51:10,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:51:10,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:51:10,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:51:10,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:51:10,194 INFO L87 Difference]: Start difference. First operand 7464 states and 10669 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:51:12,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:14,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:22,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:25,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:27,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:33,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:35,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:51:35,060 INFO L93 Difference]: Finished difference Result 13223 states and 18817 transitions. [2021-11-21 00:51:35,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:51:35,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-21 00:51:35,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:51:35,170 INFO L225 Difference]: With dead ends: 13223 [2021-11-21 00:51:35,170 INFO L226 Difference]: Without dead ends: 13221 [2021-11-21 00:51:35,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:51:35,180 INFO L933 BasicCegarLoop]: 9185 mSDtfsCounter, 6137 mSDsluCounter, 15110 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6141 SdHoareTripleChecker+Valid, 22538 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:51:35,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6141 Valid, 22538 Invalid, 2978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2973 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2021-11-21 00:51:35,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13221 states. [2021-11-21 00:51:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13221 to 13207. [2021-11-21 00:51:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13207 states, 7870 states have (on average 1.2749682337992376) internal successors, (10034), 8166 states have internal predecessors, (10034), 4385 states have call successors, (4385), 931 states have call predecessors, (4385), 926 states have return successors, (4387), 4306 states have call predecessors, (4387), 4383 states have call successors, (4387) [2021-11-21 00:51:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13207 states to 13207 states and 18806 transitions. [2021-11-21 00:51:36,248 INFO L78 Accepts]: Start accepts. Automaton has 13207 states and 18806 transitions. Word has length 52 [2021-11-21 00:51:36,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:51:36,250 INFO L470 AbstractCegarLoop]: Abstraction has 13207 states and 18806 transitions. [2021-11-21 00:51:36,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:51:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 13207 states and 18806 transitions. [2021-11-21 00:51:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:51:36,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:51:36,262 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:51:36,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:51:36,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:51:36,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:51:36,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1027873164, now seen corresponding path program 1 times [2021-11-21 00:51:36,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:51:36,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143419241] [2021-11-21 00:51:36,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:51:36,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:51:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:51:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:51:36,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:51:36,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143419241] [2021-11-21 00:51:36,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143419241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:51:36,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:51:36,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:51:36,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410387753] [2021-11-21 00:51:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:51:36,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:51:36,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:51:36,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:51:36,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:51:36,782 INFO L87 Difference]: Start difference. First operand 13207 states and 18806 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:51:39,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:41,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:48,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:51,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:51:54,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:51:54,667 INFO L93 Difference]: Finished difference Result 13220 states and 18814 transitions. [2021-11-21 00:51:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:51:54,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2021-11-21 00:51:54,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:51:54,771 INFO L225 Difference]: With dead ends: 13220 [2021-11-21 00:51:54,771 INFO L226 Difference]: Without dead ends: 13218 [2021-11-21 00:51:54,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:51:54,780 INFO L933 BasicCegarLoop]: 9116 mSDtfsCounter, 5879 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5886 SdHoareTripleChecker+Valid, 22400 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:51:54,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5886 Valid, 22400 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2021-11-21 00:51:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13218 states. [2021-11-21 00:51:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13218 to 13205. [2021-11-21 00:51:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13205 states, 7869 states have (on average 1.2748760960731986) internal successors, (10032), 8164 states have internal predecessors, (10032), 4385 states have call successors, (4385), 931 states have call predecessors, (4385), 926 states have return successors, (4387), 4306 states have call predecessors, (4387), 4383 states have call successors, (4387) [2021-11-21 00:51:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13205 states to 13205 states and 18804 transitions. [2021-11-21 00:51:55,722 INFO L78 Accepts]: Start accepts. Automaton has 13205 states and 18804 transitions. Word has length 57 [2021-11-21 00:51:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:51:55,726 INFO L470 AbstractCegarLoop]: Abstraction has 13205 states and 18804 transitions. [2021-11-21 00:51:55,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:51:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 13205 states and 18804 transitions. [2021-11-21 00:51:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 00:51:55,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:51:55,730 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:51:55,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:51:55,730 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:51:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:51:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2014102358, now seen corresponding path program 1 times [2021-11-21 00:51:55,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:51:55,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798082729] [2021-11-21 00:51:55,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:51:55,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:51:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:51:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:51:56,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:51:56,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798082729] [2021-11-21 00:51:56,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798082729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:51:56,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:51:56,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:51:56,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819477989] [2021-11-21 00:51:56,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:51:56,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:51:56,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:51:56,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:51:56,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:51:56,321 INFO L87 Difference]: Start difference. First operand 13205 states and 18804 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:51:59,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:03,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:07,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:11,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:14,147 INFO L93 Difference]: Finished difference Result 16029 states and 22785 transitions. [2021-11-21 00:52:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:52:14,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2021-11-21 00:52:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:14,230 INFO L225 Difference]: With dead ends: 16029 [2021-11-21 00:52:14,231 INFO L226 Difference]: Without dead ends: 16027 [2021-11-21 00:52:14,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:52:14,241 INFO L933 BasicCegarLoop]: 8596 mSDtfsCounter, 5905 mSDsluCounter, 14434 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5912 SdHoareTripleChecker+Valid, 21360 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:14,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5912 Valid, 21360 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2801 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2021-11-21 00:52:14,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16027 states. [2021-11-21 00:52:15,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16027 to 16014. [2021-11-21 00:52:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16014 states, 9547 states have (on average 1.2741175238294753) internal successors, (12164), 9893 states have internal predecessors, (12164), 5304 states have call successors, (5304), 1146 states have call predecessors, (5304), 1139 states have return successors, (5307), 5209 states have call predecessors, (5307), 5302 states have call successors, (5307) [2021-11-21 00:52:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16014 states to 16014 states and 22775 transitions. [2021-11-21 00:52:15,519 INFO L78 Accepts]: Start accepts. Automaton has 16014 states and 22775 transitions. Word has length 62 [2021-11-21 00:52:15,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:15,520 INFO L470 AbstractCegarLoop]: Abstraction has 16014 states and 22775 transitions. [2021-11-21 00:52:15,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:52:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 16014 states and 22775 transitions. [2021-11-21 00:52:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 00:52:15,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:15,522 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:52:15,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:52:15,522 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:52:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash -822897072, now seen corresponding path program 1 times [2021-11-21 00:52:15,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:15,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013326400] [2021-11-21 00:52:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:15,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 00:52:16,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:16,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013326400] [2021-11-21 00:52:16,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013326400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:16,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:16,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:52:16,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122186220] [2021-11-21 00:52:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:52:16,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:52:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:16,088 INFO L87 Difference]: Start difference. First operand 16014 states and 22775 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:52:17,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:19,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:23,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:26,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:30,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:32,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:34,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:35,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:35,724 INFO L93 Difference]: Finished difference Result 34996 states and 49754 transitions. [2021-11-21 00:52:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:52:35,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2021-11-21 00:52:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:35,808 INFO L225 Difference]: With dead ends: 34996 [2021-11-21 00:52:35,808 INFO L226 Difference]: Without dead ends: 18998 [2021-11-21 00:52:35,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:35,895 INFO L933 BasicCegarLoop]: 8659 mSDtfsCounter, 6171 mSDsluCounter, 4711 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6173 SdHoareTripleChecker+Valid, 12827 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:35,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6173 Valid, 12827 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1673 Invalid, 5 Unknown, 0 Unchecked, 19.1s Time] [2021-11-21 00:52:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2021-11-21 00:52:37,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 18986. [2021-11-21 00:52:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18986 states, 11324 states have (on average 1.273489932885906) internal successors, (14421), 11726 states have internal predecessors, (14421), 6285 states have call successors, (6285), 1362 states have call predecessors, (6285), 1354 states have return successors, (6290), 6173 states have call predecessors, (6290), 6283 states have call successors, (6290) [2021-11-21 00:52:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18986 states to 18986 states and 26996 transitions. [2021-11-21 00:52:37,278 INFO L78 Accepts]: Start accepts. Automaton has 18986 states and 26996 transitions. Word has length 72 [2021-11-21 00:52:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:37,279 INFO L470 AbstractCegarLoop]: Abstraction has 18986 states and 26996 transitions. [2021-11-21 00:52:37,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:52:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 18986 states and 26996 transitions. [2021-11-21 00:52:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 00:52:37,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:37,282 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:52:37,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:52:37,282 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:52:37,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:37,283 INFO L85 PathProgramCache]: Analyzing trace with hash -762525750, now seen corresponding path program 1 times [2021-11-21 00:52:37,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:37,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722524029] [2021-11-21 00:52:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:37,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:52:37,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:37,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722524029] [2021-11-21 00:52:37,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722524029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:37,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:37,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:52:37,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108332719] [2021-11-21 00:52:37,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:37,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:52:37,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:37,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:52:37,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:52:37,918 INFO L87 Difference]: Start difference. First operand 18986 states and 26996 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:52:41,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:46,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:50,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:52,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:54,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:56,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:52:58,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:02,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:02,264 INFO L93 Difference]: Finished difference Result 18998 states and 27003 transitions. [2021-11-21 00:53:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:02,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2021-11-21 00:53:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:02,343 INFO L225 Difference]: With dead ends: 18998 [2021-11-21 00:53:02,343 INFO L226 Difference]: Without dead ends: 18996 [2021-11-21 00:53:02,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:02,354 INFO L933 BasicCegarLoop]: 8656 mSDtfsCounter, 6152 mSDsluCounter, 14498 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 21480 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:02,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6156 Valid, 21480 Invalid, 2810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2806 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2021-11-21 00:53:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18996 states. [2021-11-21 00:53:03,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18996 to 18984. [2021-11-21 00:53:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18984 states, 11323 states have (on average 1.2734257705555065) internal successors, (14419), 11724 states have internal predecessors, (14419), 6285 states have call successors, (6285), 1362 states have call predecessors, (6285), 1354 states have return successors, (6290), 6173 states have call predecessors, (6290), 6283 states have call successors, (6290) [2021-11-21 00:53:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18984 states to 18984 states and 26994 transitions. [2021-11-21 00:53:03,572 INFO L78 Accepts]: Start accepts. Automaton has 18984 states and 26994 transitions. Word has length 67 [2021-11-21 00:53:03,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:03,575 INFO L470 AbstractCegarLoop]: Abstraction has 18984 states and 26994 transitions. [2021-11-21 00:53:03,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:53:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 18984 states and 26994 transitions. [2021-11-21 00:53:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:53:03,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:03,580 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:03,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:53:03,580 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:53:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1639749961, now seen corresponding path program 1 times [2021-11-21 00:53:03,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:03,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124208968] [2021-11-21 00:53:03,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:03,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 00:53:04,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:04,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124208968] [2021-11-21 00:53:04,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124208968] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:53:04,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292556499] [2021-11-21 00:53:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:04,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:04,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:04,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:04,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:53:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:07,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:53:07,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 00:53:07,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:07,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292556499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:07,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:53:07,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-21 00:53:07,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425996749] [2021-11-21 00:53:07,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:07,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:53:07,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:07,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:53:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:53:07,395 INFO L87 Difference]: Start difference. First operand 18984 states and 26994 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:53:09,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:11,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:17,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:20,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:24,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:25,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:25,825 INFO L93 Difference]: Finished difference Result 37961 states and 53967 transitions. [2021-11-21 00:53:25,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:53:25,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2021-11-21 00:53:25,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:25,905 INFO L225 Difference]: With dead ends: 37961 [2021-11-21 00:53:25,905 INFO L226 Difference]: Without dead ends: 18993 [2021-11-21 00:53:25,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:53:25,985 INFO L933 BasicCegarLoop]: 9103 mSDtfsCounter, 5872 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5877 SdHoareTripleChecker+Valid, 13271 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:25,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5877 Valid, 13271 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1757 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2021-11-21 00:53:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18993 states. [2021-11-21 00:53:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18993 to 18980. [2021-11-21 00:53:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18980 states, 11320 states have (on average 1.273321554770318) internal successors, (14414), 11720 states have internal predecessors, (14414), 6285 states have call successors, (6285), 1362 states have call predecessors, (6285), 1354 states have return successors, (6290), 6173 states have call predecessors, (6290), 6283 states have call successors, (6290) [2021-11-21 00:53:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18980 states to 18980 states and 26989 transitions. [2021-11-21 00:53:27,147 INFO L78 Accepts]: Start accepts. Automaton has 18980 states and 26989 transitions. Word has length 77 [2021-11-21 00:53:27,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:27,148 INFO L470 AbstractCegarLoop]: Abstraction has 18980 states and 26989 transitions. [2021-11-21 00:53:27,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:53:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 18980 states and 26989 transitions. [2021-11-21 00:53:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 00:53:27,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:27,150 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:27,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:27,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00aa3381-2f2e-4079-9eb8-7ef29cbb6831/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:27,366 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:53:27,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:27,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1118074762, now seen corresponding path program 1 times [2021-11-21 00:53:27,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:27,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133883923] [2021-11-21 00:53:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:27,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:53:28,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:28,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133883923] [2021-11-21 00:53:28,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133883923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:28,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:28,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:53:28,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99596875] [2021-11-21 00:53:28,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:28,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:28,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:28,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:28,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:28,049 INFO L87 Difference]: Start difference. First operand 18980 states and 26989 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:53:30,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:32,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:39,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:44,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:46,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:50,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:50,761 INFO L93 Difference]: Finished difference Result 18994 states and 26998 transitions. [2021-11-21 00:53:50,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:50,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2021-11-21 00:53:50,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:50,820 INFO L225 Difference]: With dead ends: 18994 [2021-11-21 00:53:50,821 INFO L226 Difference]: Without dead ends: 18992 [2021-11-21 00:53:50,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:50,827 INFO L933 BasicCegarLoop]: 9167 mSDtfsCounter, 6115 mSDsluCounter, 15092 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6119 SdHoareTripleChecker+Valid, 22502 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:50,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6119 Valid, 22502 Invalid, 2978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2973 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2021-11-21 00:53:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18992 states. [2021-11-21 00:53:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18992 to 18978. [2021-11-21 00:53:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18978 states, 11319 states have (on average 1.273257354890008) internal successors, (14412), 11718 states have internal predecessors, (14412), 6285 states have call successors, (6285), 1362 states have call predecessors, (6285), 1354 states have return successors, (6290), 6173 states have call predecessors, (6290), 6283 states have call successors, (6290) [2021-11-21 00:53:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18978 states to 18978 states and 26987 transitions. [2021-11-21 00:53:51,772 INFO L78 Accepts]: Start accepts. Automaton has 18978 states and 26987 transitions. Word has length 72 [2021-11-21 00:53:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:51,772 INFO L470 AbstractCegarLoop]: Abstraction has 18978 states and 26987 transitions. [2021-11-21 00:53:51,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:53:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 18978 states and 26987 transitions. [2021-11-21 00:53:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:53:51,774 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:51,775 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:51,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:53:51,775 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:53:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:51,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2024312442, now seen corresponding path program 1 times [2021-11-21 00:53:51,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:51,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385007448] [2021-11-21 00:53:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:53:52,182 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:52,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385007448] [2021-11-21 00:53:52,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385007448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:52,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:52,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:53:52,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230619960] [2021-11-21 00:53:52,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:52,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:52,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:52,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:52,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:52,185 INFO L87 Difference]: Start difference. First operand 18978 states and 26987 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:53:54,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:56,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:04,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:07,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:09,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:11,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:14,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:16,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:54:18,914 INFO L93 Difference]: Finished difference Result 25982 states and 37274 transitions. [2021-11-21 00:54:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:54:18,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-21 00:54:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:54:19,016 INFO L225 Difference]: With dead ends: 25982 [2021-11-21 00:54:19,016 INFO L226 Difference]: Without dead ends: 25980 [2021-11-21 00:54:19,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:54:19,027 INFO L933 BasicCegarLoop]: 9630 mSDtfsCounter, 6092 mSDsluCounter, 17576 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6094 SdHoareTripleChecker+Valid, 25207 SdHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:54:19,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6094 Valid, 25207 Invalid, 3231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3226 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2021-11-21 00:54:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25980 states. [2021-11-21 00:54:20,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25980 to 25826. [2021-11-21 00:54:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25826 states, 15398 states have (on average 1.274905831926224) internal successors, (19631), 15956 states have internal predecessors, (19631), 8605 states have call successors, (8605), 1816 states have call predecessors, (8605), 1803 states have return successors, (8868), 8439 states have call predecessors, (8868), 8603 states have call successors, (8868) [2021-11-21 00:54:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25826 states to 25826 states and 37104 transitions. [2021-11-21 00:54:20,635 INFO L78 Accepts]: Start accepts. Automaton has 25826 states and 37104 transitions. Word has length 77 [2021-11-21 00:54:20,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:54:20,636 INFO L470 AbstractCegarLoop]: Abstraction has 25826 states and 37104 transitions. [2021-11-21 00:54:20,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:54:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 25826 states and 37104 transitions. [2021-11-21 00:54:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 00:54:20,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:54:20,639 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:54:20,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:54:20,640 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:54:20,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:54:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1366857180, now seen corresponding path program 1 times [2021-11-21 00:54:20,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:54:20,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733898372] [2021-11-21 00:54:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:20,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:54:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:54:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:54:21,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:54:21,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733898372] [2021-11-21 00:54:21,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733898372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:54:21,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:54:21,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:54:21,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495954474] [2021-11-21 00:54:21,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:54:21,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:54:21,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:54:21,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:54:21,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:54:21,045 INFO L87 Difference]: Start difference. First operand 25826 states and 37104 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:54:24,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:29,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:33,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:37,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:39,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:42,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:44,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:54:46,416 INFO L93 Difference]: Finished difference Result 25838 states and 37111 transitions. [2021-11-21 00:54:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:54:46,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-21 00:54:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:54:46,512 INFO L225 Difference]: With dead ends: 25838 [2021-11-21 00:54:46,512 INFO L226 Difference]: Without dead ends: 25836 [2021-11-21 00:54:46,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:54:46,522 INFO L933 BasicCegarLoop]: 8647 mSDtfsCounter, 6144 mSDsluCounter, 14486 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6148 SdHoareTripleChecker+Valid, 21458 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:54:46,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6148 Valid, 21458 Invalid, 2812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2807 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2021-11-21 00:54:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25836 states. [2021-11-21 00:54:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25836 to 25824. [2021-11-21 00:54:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25824 states, 15397 states have (on average 1.274858738715334) internal successors, (19629), 15954 states have internal predecessors, (19629), 8605 states have call successors, (8605), 1816 states have call predecessors, (8605), 1803 states have return successors, (8868), 8439 states have call predecessors, (8868), 8603 states have call successors, (8868) [2021-11-21 00:54:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25824 states to 25824 states and 37102 transitions. [2021-11-21 00:54:47,927 INFO L78 Accepts]: Start accepts. Automaton has 25824 states and 37102 transitions. Word has length 82 [2021-11-21 00:54:47,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:54:47,928 INFO L470 AbstractCegarLoop]: Abstraction has 25824 states and 37102 transitions. [2021-11-21 00:54:47,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:54:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 25824 states and 37102 transitions. [2021-11-21 00:54:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 00:54:47,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:54:47,930 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:54:47,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:54:47,931 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:54:47,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:54:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash 710567623, now seen corresponding path program 1 times [2021-11-21 00:54:47,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:54:47,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523602180] [2021-11-21 00:54:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:54:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:54:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:54:48,398 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:54:48,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523602180] [2021-11-21 00:54:48,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523602180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:54:48,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:54:48,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:54:48,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370919327] [2021-11-21 00:54:48,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:54:48,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:54:48,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:54:48,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:54:48,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:54:48,401 INFO L87 Difference]: Start difference. First operand 25824 states and 37102 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:54:50,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:54:52,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:00,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:04,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:55:07,606 INFO L93 Difference]: Finished difference Result 25838 states and 37111 transitions. [2021-11-21 00:55:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:55:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-21 00:55:07,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:55:07,770 INFO L225 Difference]: With dead ends: 25838 [2021-11-21 00:55:07,771 INFO L226 Difference]: Without dead ends: 25836 [2021-11-21 00:55:07,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:55:07,779 INFO L933 BasicCegarLoop]: 9096 mSDtfsCounter, 5852 mSDsluCounter, 15017 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5859 SdHoareTripleChecker+Valid, 22360 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:55:07,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5859 Valid, 22360 Invalid, 2972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2021-11-21 00:55:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25836 states. [2021-11-21 00:55:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25836 to 25822. [2021-11-21 00:55:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25822 states, 15396 states have (on average 1.2748116393868538) internal successors, (19627), 15952 states have internal predecessors, (19627), 8605 states have call successors, (8605), 1816 states have call predecessors, (8605), 1803 states have return successors, (8868), 8439 states have call predecessors, (8868), 8603 states have call successors, (8868) [2021-11-21 00:55:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25822 states to 25822 states and 37100 transitions. [2021-11-21 00:55:09,662 INFO L78 Accepts]: Start accepts. Automaton has 25822 states and 37100 transitions. Word has length 84 [2021-11-21 00:55:09,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:55:09,665 INFO L470 AbstractCegarLoop]: Abstraction has 25822 states and 37100 transitions. [2021-11-21 00:55:09,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:55:09,665 INFO L276 IsEmpty]: Start isEmpty. Operand 25822 states and 37100 transitions. [2021-11-21 00:55:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 00:55:09,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:55:09,668 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:55:09,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:55:09,668 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:55:09,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:55:09,669 INFO L85 PathProgramCache]: Analyzing trace with hash 761584963, now seen corresponding path program 1 times [2021-11-21 00:55:09,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:55:09,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74633828] [2021-11-21 00:55:09,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:55:09,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:55:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:55:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:55:10,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:55:10,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74633828] [2021-11-21 00:55:10,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74633828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:55:10,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:55:10,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:55:10,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802550379] [2021-11-21 00:55:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:55:10,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:55:10,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:55:10,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:55:10,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:55:10,352 INFO L87 Difference]: Start difference. First operand 25822 states and 37100 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:55:12,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:14,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:19,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:23,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:25,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:29,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:55:35,446 INFO L93 Difference]: Finished difference Result 25836 states and 37109 transitions. [2021-11-21 00:55:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:55:35,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-21 00:55:35,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:55:35,530 INFO L225 Difference]: With dead ends: 25836 [2021-11-21 00:55:35,530 INFO L226 Difference]: Without dead ends: 25834 [2021-11-21 00:55:35,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:55:35,539 INFO L933 BasicCegarLoop]: 8576 mSDtfsCounter, 5880 mSDsluCounter, 14416 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5887 SdHoareTripleChecker+Valid, 21320 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:55:35,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5887 Valid, 21320 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2802 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2021-11-21 00:55:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25834 states. [2021-11-21 00:55:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25834 to 25820. [2021-11-21 00:55:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25820 states, 15395 states have (on average 1.2747645339395908) internal successors, (19625), 15950 states have internal predecessors, (19625), 8605 states have call successors, (8605), 1816 states have call predecessors, (8605), 1803 states have return successors, (8868), 8439 states have call predecessors, (8868), 8603 states have call successors, (8868) [2021-11-21 00:55:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25820 states to 25820 states and 37098 transitions. [2021-11-21 00:55:37,063 INFO L78 Accepts]: Start accepts. Automaton has 25820 states and 37098 transitions. Word has length 89 [2021-11-21 00:55:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:55:37,064 INFO L470 AbstractCegarLoop]: Abstraction has 25820 states and 37098 transitions. [2021-11-21 00:55:37,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:55:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 25820 states and 37098 transitions. [2021-11-21 00:55:37,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 00:55:37,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:55:37,067 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:55:37,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:55:37,067 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:55:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:55:37,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1377852093, now seen corresponding path program 1 times [2021-11-21 00:55:37,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:55:37,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609588336] [2021-11-21 00:55:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:55:37,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:55:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:55:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:55:37,501 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:55:37,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609588336] [2021-11-21 00:55:37,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609588336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:55:37,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:55:37,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:55:37,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741882719] [2021-11-21 00:55:37,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:55:37,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:55:37,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:55:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:55:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:55:37,504 INFO L87 Difference]: Start difference. First operand 25820 states and 37098 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:55:39,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:41,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:49,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:54,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:57,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:59,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:55:59,770 INFO L93 Difference]: Finished difference Result 28643 states and 41073 transitions. [2021-11-21 00:55:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:55:59,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-21 00:55:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:55:59,859 INFO L225 Difference]: With dead ends: 28643 [2021-11-21 00:55:59,860 INFO L226 Difference]: Without dead ends: 28641 [2021-11-21 00:55:59,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:55:59,868 INFO L933 BasicCegarLoop]: 9109 mSDtfsCounter, 5870 mSDsluCounter, 15035 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5876 SdHoareTripleChecker+Valid, 22386 SdHoareTripleChecker+Invalid, 2981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:55:59,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5876 Valid, 22386 Invalid, 2981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2976 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2021-11-21 00:55:59,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28641 states. [2021-11-21 00:56:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28641 to 28626. [2021-11-21 00:56:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28626 states, 17070 states have (on average 1.274282366725249) internal successors, (21752), 17676 states have internal predecessors, (21752), 9522 states have call successors, (9522), 2032 states have call predecessors, (9522), 2018 states have return successors, (9787), 9340 states have call predecessors, (9787), 9520 states have call successors, (9787) [2021-11-21 00:56:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28626 states to 28626 states and 41061 transitions. [2021-11-21 00:56:01,394 INFO L78 Accepts]: Start accepts. Automaton has 28626 states and 41061 transitions. Word has length 94 [2021-11-21 00:56:01,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:56:01,395 INFO L470 AbstractCegarLoop]: Abstraction has 28626 states and 41061 transitions. [2021-11-21 00:56:01,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:56:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 28626 states and 41061 transitions. [2021-11-21 00:56:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 00:56:01,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:01,398 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:01,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:56:01,398 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:56:01,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:01,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1669457215, now seen corresponding path program 1 times [2021-11-21 00:56:01,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:01,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535485120] [2021-11-21 00:56:01,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:01,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:56:01,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:01,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535485120] [2021-11-21 00:56:01,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535485120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:01,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:01,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:56:01,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208993016] [2021-11-21 00:56:01,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:01,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:56:01,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:01,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:56:01,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:56:01,807 INFO L87 Difference]: Start difference. First operand 28626 states and 41061 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:56:03,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:05,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:11,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:15,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:20,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:22,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:26,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:28,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:30,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:56:30,577 INFO L93 Difference]: Finished difference Result 28639 states and 41069 transitions. [2021-11-21 00:56:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:56:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-21 00:56:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:56:30,666 INFO L225 Difference]: With dead ends: 28639 [2021-11-21 00:56:30,666 INFO L226 Difference]: Without dead ends: 28637 [2021-11-21 00:56:30,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:56:30,677 INFO L933 BasicCegarLoop]: 8639 mSDtfsCounter, 6129 mSDsluCounter, 14481 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6133 SdHoareTripleChecker+Valid, 21446 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:56:30,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6133 Valid, 21446 Invalid, 2810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2805 Invalid, 5 Unknown, 0 Unchecked, 27.7s Time] [2021-11-21 00:56:30,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28637 states. [2021-11-21 00:56:32,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28637 to 28624. [2021-11-21 00:56:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28624 states, 17069 states have (on average 1.274239850020505) internal successors, (21750), 17674 states have internal predecessors, (21750), 9522 states have call successors, (9522), 2032 states have call predecessors, (9522), 2018 states have return successors, (9787), 9340 states have call predecessors, (9787), 9520 states have call successors, (9787) [2021-11-21 00:56:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28624 states to 28624 states and 41059 transitions. [2021-11-21 00:56:32,168 INFO L78 Accepts]: Start accepts. Automaton has 28624 states and 41059 transitions. Word has length 99 [2021-11-21 00:56:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:56:32,168 INFO L470 AbstractCegarLoop]: Abstraction has 28624 states and 41059 transitions. [2021-11-21 00:56:32,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:56:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 28624 states and 41059 transitions. [2021-11-21 00:56:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 00:56:32,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:32,172 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:32,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 00:56:32,172 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:56:32,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:32,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1039802775, now seen corresponding path program 1 times [2021-11-21 00:56:32,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:32,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264844192] [2021-11-21 00:56:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:32,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-21 00:56:32,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:32,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264844192] [2021-11-21 00:56:32,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264844192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:32,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:32,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:56:32,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529034871] [2021-11-21 00:56:32,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:32,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:56:32,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:56:32,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:56:32,666 INFO L87 Difference]: Start difference. First operand 28624 states and 41059 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:56:34,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:37,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:39,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:48,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:51,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:56,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:58,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:00,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:01,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:03,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:09,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:10,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:13,651 INFO L93 Difference]: Finished difference Result 45667 states and 65749 transitions. [2021-11-21 00:57:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:57:13,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2021-11-21 00:57:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:13,870 INFO L225 Difference]: With dead ends: 45667 [2021-11-21 00:57:13,870 INFO L226 Difference]: Without dead ends: 45665 [2021-11-21 00:57:13,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:57:13,897 INFO L933 BasicCegarLoop]: 8496 mSDtfsCounter, 4707 mSDsluCounter, 25590 mSDsCounter, 0 mSdLazyCounter, 3934 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4708 SdHoareTripleChecker+Valid, 31216 SdHoareTripleChecker+Invalid, 3943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3934 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:13,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4708 Valid, 31216 Invalid, 3943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3934 Invalid, 7 Unknown, 0 Unchecked, 39.1s Time] [2021-11-21 00:57:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45665 states. [2021-11-21 00:57:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45665 to 45494. [2021-11-21 00:57:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45494 states, 26919 states have (on average 1.256658865485345) internal successors, (33828), 27935 states have internal predecessors, (33828), 14863 states have call successors, (14863), 3734 states have call predecessors, (14863), 3697 states have return successors, (16863), 14440 states have call predecessors, (16863), 14861 states have call successors, (16863) [2021-11-21 00:57:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45494 states to 45494 states and 65554 transitions. [2021-11-21 00:57:16,474 INFO L78 Accepts]: Start accepts. Automaton has 45494 states and 65554 transitions. Word has length 132 [2021-11-21 00:57:16,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:16,474 INFO L470 AbstractCegarLoop]: Abstraction has 45494 states and 65554 transitions. [2021-11-21 00:57:16,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:57:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 45494 states and 65554 transitions. [2021-11-21 00:57:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:57:16,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:16,477 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:16,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:57:16,478 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:57:16,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:16,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2065525437, now seen corresponding path program 1 times [2021-11-21 00:57:16,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:16,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377475016] [2021-11-21 00:57:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:57:17,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:17,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377475016] [2021-11-21 00:57:17,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377475016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:17,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:17,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:57:17,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258668568] [2021-11-21 00:57:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:17,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:57:17,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:57:17,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:57:17,112 INFO L87 Difference]: Start difference. First operand 45494 states and 65554 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:57:19,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:21,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:27,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:33,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:37,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:37,780 INFO L93 Difference]: Finished difference Result 45511 states and 65566 transitions. [2021-11-21 00:57:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:57:37,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-21 00:57:37,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:37,929 INFO L225 Difference]: With dead ends: 45511 [2021-11-21 00:57:37,929 INFO L226 Difference]: Without dead ends: 45509 [2021-11-21 00:57:37,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:57:37,945 INFO L933 BasicCegarLoop]: 9108 mSDtfsCounter, 5842 mSDsluCounter, 15036 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5849 SdHoareTripleChecker+Valid, 22384 SdHoareTripleChecker+Invalid, 2986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:37,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5849 Valid, 22384 Invalid, 2986 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2982 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2021-11-21 00:57:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45509 states. [2021-11-21 00:57:40,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45509 to 45492. [2021-11-21 00:57:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45492 states, 26918 states have (on average 1.2566312504643733) internal successors, (33826), 27933 states have internal predecessors, (33826), 14863 states have call successors, (14863), 3734 states have call predecessors, (14863), 3697 states have return successors, (16863), 14440 states have call predecessors, (16863), 14861 states have call successors, (16863) [2021-11-21 00:57:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45492 states to 45492 states and 65552 transitions. [2021-11-21 00:57:40,516 INFO L78 Accepts]: Start accepts. Automaton has 45492 states and 65552 transitions. Word has length 104 [2021-11-21 00:57:40,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:40,517 INFO L470 AbstractCegarLoop]: Abstraction has 45492 states and 65552 transitions. [2021-11-21 00:57:40,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:57:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 45492 states and 65552 transitions. [2021-11-21 00:57:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 00:57:40,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:40,520 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:40,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:57:40,521 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:57:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:40,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2133053854, now seen corresponding path program 1 times [2021-11-21 00:57:40,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:40,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483629641] [2021-11-21 00:57:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:40,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:57:40,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:40,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483629641] [2021-11-21 00:57:40,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483629641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:40,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:40,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:57:40,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187707923] [2021-11-21 00:57:40,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:40,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:57:40,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:40,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:57:40,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:57:40,899 INFO L87 Difference]: Start difference. First operand 45492 states and 65552 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:57:43,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:45,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:50,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:52,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:57,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:58:02,053 INFO L93 Difference]: Finished difference Result 45510 states and 65565 transitions. [2021-11-21 00:58:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:58:02,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-21 00:58:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:58:02,199 INFO L225 Difference]: With dead ends: 45510 [2021-11-21 00:58:02,199 INFO L226 Difference]: Without dead ends: 45508 [2021-11-21 00:58:02,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:58:02,214 INFO L933 BasicCegarLoop]: 7554 mSDtfsCounter, 5868 mSDsluCounter, 13157 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 19276 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:58:02,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5875 Valid, 19276 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2331 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2021-11-21 00:58:02,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45508 states. [2021-11-21 00:58:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45508 to 45490. [2021-11-21 00:58:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45490 states, 26917 states have (on average 1.256603633391537) internal successors, (33824), 27931 states have internal predecessors, (33824), 14863 states have call successors, (14863), 3734 states have call predecessors, (14863), 3697 states have return successors, (16863), 14440 states have call predecessors, (16863), 14861 states have call successors, (16863) [2021-11-21 00:58:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45490 states to 45490 states and 65550 transitions. [2021-11-21 00:58:04,993 INFO L78 Accepts]: Start accepts. Automaton has 45490 states and 65550 transitions. Word has length 109 [2021-11-21 00:58:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:58:04,993 INFO L470 AbstractCegarLoop]: Abstraction has 45490 states and 65550 transitions. [2021-11-21 00:58:04,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:58:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 45490 states and 65550 transitions. [2021-11-21 00:58:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 00:58:04,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:58:04,997 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:58:04,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:58:04,997 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:58:04,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:58:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1009012162, now seen corresponding path program 1 times [2021-11-21 00:58:04,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:58:04,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002233939] [2021-11-21 00:58:04,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:58:04,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:58:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:58:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:58:05,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:58:05,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002233939] [2021-11-21 00:58:05,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002233939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:58:05,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:58:05,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:58:05,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199565755] [2021-11-21 00:58:05,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:58:05,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:58:05,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:58:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:58:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:58:05,366 INFO L87 Difference]: Start difference. First operand 45490 states and 65550 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:58:08,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:14,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:16,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:20,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:22,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:25,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:27,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:30,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:58:30,787 INFO L93 Difference]: Finished difference Result 45503 states and 65558 transitions. [2021-11-21 00:58:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:58:30,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-21 00:58:30,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:58:30,963 INFO L225 Difference]: With dead ends: 45503 [2021-11-21 00:58:30,963 INFO L226 Difference]: Without dead ends: 45501 [2021-11-21 00:58:30,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:58:30,980 INFO L933 BasicCegarLoop]: 7607 mSDtfsCounter, 6120 mSDsluCounter, 13213 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6124 SdHoareTripleChecker+Valid, 19382 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:58:30,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6124 Valid, 19382 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2331 Invalid, 6 Unknown, 0 Unchecked, 23.8s Time] [2021-11-21 00:58:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45501 states. [2021-11-21 00:58:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45501 to 45488. [2021-11-21 00:58:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45488 states, 26916 states have (on average 1.2565760142666071) internal successors, (33822), 27929 states have internal predecessors, (33822), 14863 states have call successors, (14863), 3734 states have call predecessors, (14863), 3697 states have return successors, (16863), 14440 states have call predecessors, (16863), 14861 states have call successors, (16863) [2021-11-21 00:58:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45488 states to 45488 states and 65548 transitions. [2021-11-21 00:58:33,597 INFO L78 Accepts]: Start accepts. Automaton has 45488 states and 65548 transitions. Word has length 114 [2021-11-21 00:58:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:58:33,597 INFO L470 AbstractCegarLoop]: Abstraction has 45488 states and 65548 transitions. [2021-11-21 00:58:33,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:58:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 45488 states and 65548 transitions. [2021-11-21 00:58:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 00:58:33,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:58:33,601 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:58:33,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:58:33,601 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:58:33,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:58:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1695206704, now seen corresponding path program 1 times [2021-11-21 00:58:33,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:58:33,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876929421] [2021-11-21 00:58:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:58:33,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:58:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:58:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:58:33,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:58:33,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876929421] [2021-11-21 00:58:33,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876929421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:58:33,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:58:33,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:58:33,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051363351] [2021-11-21 00:58:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:58:33,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:58:33,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:58:33,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:58:33,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:58:33,973 INFO L87 Difference]: Start difference. First operand 45488 states and 65548 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:58:37,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:43,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:48,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:53,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:58:53,301 INFO L93 Difference]: Finished difference Result 45506 states and 65561 transitions. [2021-11-21 00:58:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:58:53,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-21 00:58:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:58:53,485 INFO L225 Difference]: With dead ends: 45506 [2021-11-21 00:58:53,485 INFO L226 Difference]: Without dead ends: 45504 [2021-11-21 00:58:53,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:58:53,502 INFO L933 BasicCegarLoop]: 7548 mSDtfsCounter, 5862 mSDsluCounter, 13150 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5869 SdHoareTripleChecker+Valid, 19264 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:58:53,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5869 Valid, 19264 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2329 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2021-11-21 00:58:53,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45504 states. [2021-11-21 00:58:55,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45504 to 45486. [2021-11-21 00:58:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45486 states, 26915 states have (on average 1.2565483930893553) internal successors, (33820), 27927 states have internal predecessors, (33820), 14863 states have call successors, (14863), 3734 states have call predecessors, (14863), 3697 states have return successors, (16863), 14440 states have call predecessors, (16863), 14861 states have call successors, (16863) [2021-11-21 00:58:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45486 states to 45486 states and 65546 transitions. [2021-11-21 00:58:56,112 INFO L78 Accepts]: Start accepts. Automaton has 45486 states and 65546 transitions. Word has length 119 [2021-11-21 00:58:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:58:56,113 INFO L470 AbstractCegarLoop]: Abstraction has 45486 states and 65546 transitions. [2021-11-21 00:58:56,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:58:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 45486 states and 65546 transitions. [2021-11-21 00:58:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-21 00:58:56,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:58:56,115 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:58:56,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:58:56,116 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:58:56,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:58:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1493438877, now seen corresponding path program 1 times [2021-11-21 00:58:56,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:58:56,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958347725] [2021-11-21 00:58:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:58:56,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:58:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:58:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-21 00:58:56,556 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:58:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958347725] [2021-11-21 00:58:56,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958347725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:58:56,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:58:56,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:58:56,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277545837] [2021-11-21 00:58:56,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:58:56,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:58:56,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:58:56,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:58:56,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:58:56,559 INFO L87 Difference]: Start difference. First operand 45486 states and 65546 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:58:59,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:01,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:08,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:10,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:15,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:17,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:18,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:22,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:25,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:27,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:59:27,758 INFO L93 Difference]: Finished difference Result 57053 states and 82144 transitions. [2021-11-21 00:59:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:59:27,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-11-21 00:59:27,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:59:28,106 INFO L225 Difference]: With dead ends: 57053 [2021-11-21 00:59:28,106 INFO L226 Difference]: Without dead ends: 57051 [2021-11-21 00:59:28,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:59:28,126 INFO L933 BasicCegarLoop]: 7094 mSDtfsCounter, 4478 mSDsluCounter, 20727 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4479 SdHoareTripleChecker+Valid, 25451 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:59:28,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4479 Valid, 25451 Invalid, 3282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3275 Invalid, 6 Unknown, 0 Unchecked, 29.2s Time] [2021-11-21 00:59:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57051 states. [2021-11-21 00:59:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57051 to 57027. [2021-11-21 00:59:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57027 states, 33638 states have (on average 1.2491230156370772) internal successors, (42018), 34925 states have internal predecessors, (42018), 18495 states have call successors, (18495), 4948 states have call predecessors, (18495), 4883 states have return successors, (21598), 17884 states have call predecessors, (21598), 18493 states have call successors, (21598) [2021-11-21 00:59:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57027 states to 57027 states and 82111 transitions. [2021-11-21 00:59:31,309 INFO L78 Accepts]: Start accepts. Automaton has 57027 states and 82111 transitions. Word has length 151 [2021-11-21 00:59:31,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:59:31,309 INFO L470 AbstractCegarLoop]: Abstraction has 57027 states and 82111 transitions. [2021-11-21 00:59:31,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:59:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 57027 states and 82111 transitions. [2021-11-21 00:59:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 00:59:31,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:59:31,315 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:59:31,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 00:59:31,315 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:59:31,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:59:31,316 INFO L85 PathProgramCache]: Analyzing trace with hash -333914998, now seen corresponding path program 1 times [2021-11-21 00:59:31,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:59:31,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506954728] [2021-11-21 00:59:31,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:59:31,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:59:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:59:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:59:32,004 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:59:32,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506954728] [2021-11-21 00:59:32,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506954728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:59:32,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:59:32,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:59:32,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485165923] [2021-11-21 00:59:32,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:59:32,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:59:32,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:59:32,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:59:32,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:59:32,008 INFO L87 Difference]: Start difference. First operand 57027 states and 82111 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:59:34,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:36,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:43,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:47,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:49,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:50,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:54,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:57,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:59:57,454 INFO L93 Difference]: Finished difference Result 57045 states and 82124 transitions. [2021-11-21 00:59:57,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:59:57,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-21 00:59:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:59:57,663 INFO L225 Difference]: With dead ends: 57045 [2021-11-21 00:59:57,663 INFO L226 Difference]: Without dead ends: 57043 [2021-11-21 00:59:57,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:59:57,684 INFO L933 BasicCegarLoop]: 9333 mSDtfsCounter, 6085 mSDsluCounter, 15280 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6089 SdHoareTripleChecker+Valid, 22834 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:59:57,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6089 Valid, 22834 Invalid, 3022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3018 Invalid, 4 Unknown, 0 Unchecked, 23.1s Time] [2021-11-21 00:59:57,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57043 states. [2021-11-21 01:00:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57043 to 57025. [2021-11-21 01:00:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57025 states, 33637 states have (on average 1.2491006926895978) internal successors, (42016), 34923 states have internal predecessors, (42016), 18495 states have call successors, (18495), 4948 states have call predecessors, (18495), 4883 states have return successors, (21598), 17884 states have call predecessors, (21598), 18493 states have call successors, (21598) [2021-11-21 01:00:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57025 states to 57025 states and 82109 transitions. [2021-11-21 01:00:01,055 INFO L78 Accepts]: Start accepts. Automaton has 57025 states and 82109 transitions. Word has length 124 [2021-11-21 01:00:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:00:01,055 INFO L470 AbstractCegarLoop]: Abstraction has 57025 states and 82109 transitions. [2021-11-21 01:00:01,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 01:00:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 57025 states and 82109 transitions. [2021-11-21 01:00:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 01:00:01,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:00:01,060 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:00:01,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 01:00:01,060 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:00:01,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:00:01,061 INFO L85 PathProgramCache]: Analyzing trace with hash 487019790, now seen corresponding path program 1 times [2021-11-21 01:00:01,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:00:01,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686029292] [2021-11-21 01:00:01,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:00:01,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:00:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:00:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 01:00:01,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:00:01,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686029292] [2021-11-21 01:00:01,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686029292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:00:01,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:00:01,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:00:01,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888443676] [2021-11-21 01:00:01,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:00:01,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:00:01,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:00:01,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:00:01,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:00:01,605 INFO L87 Difference]: Start difference. First operand 57025 states and 82109 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:00:06,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:08,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:13,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:17,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:19,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:00:24,543 INFO L93 Difference]: Finished difference Result 104058 states and 153111 transitions. [2021-11-21 01:00:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:00:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2021-11-21 01:00:24,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:00:25,044 INFO L225 Difference]: With dead ends: 104058 [2021-11-21 01:00:25,045 INFO L226 Difference]: Without dead ends: 57150 [2021-11-21 01:00:25,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:00:25,305 INFO L933 BasicCegarLoop]: 5797 mSDtfsCounter, 7 mSDsluCounter, 13131 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17354 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:00:25,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 17354 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2404 Invalid, 4 Unknown, 0 Unchecked, 20.2s Time] [2021-11-21 01:00:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57150 states. [2021-11-21 01:00:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57150 to 57099. [2021-11-21 01:00:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57099 states, 33703 states have (on average 1.2486128831261312) internal successors, (42082), 34997 states have internal predecessors, (42082), 18495 states have call successors, (18495), 4948 states have call predecessors, (18495), 4891 states have return successors, (21606), 17884 states have call predecessors, (21606), 18493 states have call successors, (21606) [2021-11-21 01:00:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57099 states to 57099 states and 82183 transitions. [2021-11-21 01:00:28,922 INFO L78 Accepts]: Start accepts. Automaton has 57099 states and 82183 transitions. Word has length 139 [2021-11-21 01:00:28,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:00:28,923 INFO L470 AbstractCegarLoop]: Abstraction has 57099 states and 82183 transitions. [2021-11-21 01:00:28,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:00:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 57099 states and 82183 transitions. [2021-11-21 01:00:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 01:00:28,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:00:28,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:00:28,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 01:00:28,929 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:00:28,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:00:28,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1011338689, now seen corresponding path program 1 times [2021-11-21 01:00:28,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:00:28,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905989075] [2021-11-21 01:00:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:00:28,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:00:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:00:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:00:29,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:00:29,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905989075] [2021-11-21 01:00:29,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905989075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:00:29,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:00:29,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:00:29,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842461832] [2021-11-21 01:00:29,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:00:29,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:00:29,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:00:29,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:00:29,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:00:29,305 INFO L87 Difference]: Start difference. First operand 57099 states and 82183 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-21 01:00:32,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:34,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:41,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:44,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:46,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:49,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []