./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--gadget--udc--pch_udc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS --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 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:04:15,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:04:15,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:04:15,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:04:15,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:04:15,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:04:15,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:04:15,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:04:15,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:04:15,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:04:15,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:04:15,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:04:15,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:04:15,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:04:15,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:04:15,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:04:15,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:04:15,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:04:15,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:04:15,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:04:15,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:04:15,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:04:15,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:04:15,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:04:15,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:04:15,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:04:15,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:04:15,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:04:15,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:04:15,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:04:15,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:04:15,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:04:15,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:04:15,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:04:15,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:04:15,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:04:15,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:04:15,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:04:15,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:04:15,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:04:15,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:04:15,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:04:15,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:04:15,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:04:15,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:04:15,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:04:15,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:04:15,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:04:15,527 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:04:15,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:04:15,527 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:04:15,527 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:04:15,527 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:04:15,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:04:15,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:04:15,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:04:15,528 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:04:15,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:04:15,528 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:04:15,529 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:04:15,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:04:15,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:04:15,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:04:15,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:04:15,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:04:15,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:04:15,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:04:15,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:04:15,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:04:15,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:04:15,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:04:15,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:15,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:04:15,532 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:04:15,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:04:15,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:04:15,532 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:04:15,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:04:15,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:04:15,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:04:15,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 [2022-11-19 07:04:15,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:04:15,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:04:15,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:04:15,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:04:15,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:04:15,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-11-19 07:04:15,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/data/36d9673d5/2c84ad044deb46cb9a8581c97262a1c5/FLAG4c2aa2b0e [2022-11-19 07:04:16,964 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:04:16,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-11-19 07:04:17,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/data/36d9673d5/2c84ad044deb46cb9a8581c97262a1c5/FLAG4c2aa2b0e [2022-11-19 07:04:17,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/data/36d9673d5/2c84ad044deb46cb9a8581c97262a1c5 [2022-11-19 07:04:17,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:04:17,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:04:17,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:17,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:04:17,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:04:17,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:17" (1/1) ... [2022-11-19 07:04:17,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30874b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:17, skipping insertion in model container [2022-11-19 07:04:17,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:17" (1/1) ... [2022-11-19 07:04:17,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:04:17,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:04:21,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2022-11-19 07:04:21,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2022-11-19 07:04:21,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2022-11-19 07:04:21,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2022-11-19 07:04:21,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2022-11-19 07:04:21,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2022-11-19 07:04:21,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2022-11-19 07:04:21,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2022-11-19 07:04:21,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2022-11-19 07:04:21,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2022-11-19 07:04:21,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2022-11-19 07:04:21,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2022-11-19 07:04:21,606 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2022-11-19 07:04:21,607 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2022-11-19 07:04:21,607 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2022-11-19 07:04:21,608 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2022-11-19 07:04:21,608 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2022-11-19 07:04:21,609 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2022-11-19 07:04:21,612 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2022-11-19 07:04:21,612 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2022-11-19 07:04:21,613 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2022-11-19 07:04:21,613 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2022-11-19 07:04:21,614 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2022-11-19 07:04:21,615 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2022-11-19 07:04:21,615 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2022-11-19 07:04:21,616 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2022-11-19 07:04:21,616 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2022-11-19 07:04:21,617 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2022-11-19 07:04:21,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2022-11-19 07:04:21,623 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2022-11-19 07:04:21,623 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2022-11-19 07:04:21,624 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2022-11-19 07:04:21,624 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2022-11-19 07:04:21,625 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2022-11-19 07:04:21,626 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2022-11-19 07:04:21,626 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2022-11-19 07:04:21,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2022-11-19 07:04:21,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2022-11-19 07:04:21,628 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2022-11-19 07:04:21,629 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2022-11-19 07:04:21,629 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2022-11-19 07:04:21,630 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2022-11-19 07:04:21,630 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2022-11-19 07:04:21,631 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2022-11-19 07:04:21,631 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2022-11-19 07:04:21,632 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2022-11-19 07:04:21,632 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2022-11-19 07:04:21,634 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2022-11-19 07:04:21,634 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2022-11-19 07:04:21,635 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2022-11-19 07:04:21,635 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2022-11-19 07:04:21,635 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2022-11-19 07:04:21,636 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2022-11-19 07:04:21,636 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2022-11-19 07:04:21,637 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2022-11-19 07:04:21,637 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2022-11-19 07:04:21,638 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2022-11-19 07:04:21,638 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2022-11-19 07:04:21,639 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2022-11-19 07:04:21,640 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2022-11-19 07:04:21,640 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2022-11-19 07:04:21,641 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2022-11-19 07:04:21,642 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2022-11-19 07:04:21,642 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2022-11-19 07:04:21,643 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2022-11-19 07:04:21,644 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2022-11-19 07:04:21,645 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2022-11-19 07:04:21,646 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2022-11-19 07:04:21,646 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2022-11-19 07:04:21,647 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2022-11-19 07:04:21,647 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2022-11-19 07:04:21,648 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2022-11-19 07:04:21,649 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2022-11-19 07:04:21,649 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2022-11-19 07:04:21,649 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2022-11-19 07:04:21,650 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2022-11-19 07:04:21,650 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2022-11-19 07:04:21,651 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2022-11-19 07:04:21,651 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2022-11-19 07:04:21,651 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2022-11-19 07:04:21,652 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2022-11-19 07:04:21,652 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2022-11-19 07:04:21,653 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2022-11-19 07:04:21,653 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2022-11-19 07:04:21,654 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2022-11-19 07:04:21,655 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2022-11-19 07:04:21,655 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2022-11-19 07:04:21,656 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2022-11-19 07:04:21,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:21,714 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:04:22,300 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2022-11-19 07:04:22,301 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2022-11-19 07:04:22,306 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2022-11-19 07:04:22,306 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2022-11-19 07:04:22,307 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2022-11-19 07:04:22,307 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2022-11-19 07:04:22,308 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2022-11-19 07:04:22,308 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2022-11-19 07:04:22,309 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2022-11-19 07:04:22,310 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2022-11-19 07:04:22,311 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2022-11-19 07:04:22,311 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2022-11-19 07:04:22,312 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2022-11-19 07:04:22,312 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2022-11-19 07:04:22,312 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2022-11-19 07:04:22,315 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2022-11-19 07:04:22,315 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2022-11-19 07:04:22,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2022-11-19 07:04:22,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2022-11-19 07:04:22,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2022-11-19 07:04:22,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2022-11-19 07:04:22,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2022-11-19 07:04:22,318 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2022-11-19 07:04:22,319 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2022-11-19 07:04:22,319 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2022-11-19 07:04:22,320 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2022-11-19 07:04:22,320 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2022-11-19 07:04:22,321 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2022-11-19 07:04:22,321 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2022-11-19 07:04:22,322 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2022-11-19 07:04:22,322 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2022-11-19 07:04:22,323 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2022-11-19 07:04:22,324 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2022-11-19 07:04:22,329 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2022-11-19 07:04:22,330 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2022-11-19 07:04:22,331 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2022-11-19 07:04:22,331 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2022-11-19 07:04:22,332 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2022-11-19 07:04:22,333 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2022-11-19 07:04:22,333 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2022-11-19 07:04:22,335 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2022-11-19 07:04:22,335 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2022-11-19 07:04:22,336 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2022-11-19 07:04:22,336 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2022-11-19 07:04:22,337 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2022-11-19 07:04:22,337 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2022-11-19 07:04:22,338 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2022-11-19 07:04:22,338 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2022-11-19 07:04:22,339 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2022-11-19 07:04:22,339 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2022-11-19 07:04:22,339 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2022-11-19 07:04:22,340 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2022-11-19 07:04:22,341 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2022-11-19 07:04:22,341 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2022-11-19 07:04:22,342 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2022-11-19 07:04:22,343 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2022-11-19 07:04:22,346 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2022-11-19 07:04:22,347 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2022-11-19 07:04:22,347 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2022-11-19 07:04:22,347 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2022-11-19 07:04:22,349 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2022-11-19 07:04:22,350 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2022-11-19 07:04:22,351 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2022-11-19 07:04:22,351 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2022-11-19 07:04:22,352 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2022-11-19 07:04:22,361 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2022-11-19 07:04:22,363 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2022-11-19 07:04:22,364 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2022-11-19 07:04:22,364 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2022-11-19 07:04:22,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2022-11-19 07:04:22,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2022-11-19 07:04:22,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2022-11-19 07:04:22,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2022-11-19 07:04:22,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2022-11-19 07:04:22,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2022-11-19 07:04:22,367 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2022-11-19 07:04:22,367 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2022-11-19 07:04:22,367 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2022-11-19 07:04:22,369 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2022-11-19 07:04:22,370 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2022-11-19 07:04:22,370 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2022-11-19 07:04:22,371 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2022-11-19 07:04:22,372 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2022-11-19 07:04:22,372 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2022-11-19 07:04:22,373 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2022-11-19 07:04:22,373 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2022-11-19 07:04:22,374 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2022-11-19 07:04:22,374 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2022-11-19 07:04:22,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:22,541 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:04:22,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22 WrapperNode [2022-11-19 07:04:22,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:22,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:22,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:04:22,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:04:22,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:22,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,019 INFO L138 Inliner]: procedures = 701, calls = 2862, calls flagged for inlining = 312, calls inlined = 235, statements flattened = 5708 [2022-11-19 07:04:23,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:23,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:04:23,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:04:23,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:04:23,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:04:23,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:04:23,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:04:23,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:04:23,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (1/1) ... [2022-11-19 07:04:23,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:23,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:04:23,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:04:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:04:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2022-11-19 07:04:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2022-11-19 07:04:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2022-11-19 07:04:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2022-11-19 07:04:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2022-11-19 07:04:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2022-11-19 07:04:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:04:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:04:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2022-11-19 07:04:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2022-11-19 07:04:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2022-11-19 07:04:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2022-11-19 07:04:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:04:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:04:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2022-11-19 07:04:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2022-11-19 07:04:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:04:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:04:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2022-11-19 07:04:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2022-11-19 07:04:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2022-11-19 07:04:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2022-11-19 07:04:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:04:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:04:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:04:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:04:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2022-11-19 07:04:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2022-11-19 07:04:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:04:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:04:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:04:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:04:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2022-11-19 07:04:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2022-11-19 07:04:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2022-11-19 07:04:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2022-11-19 07:04:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:04:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:04:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:04:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:04:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 07:04:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 07:04:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2022-11-19 07:04:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2022-11-19 07:04:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2022-11-19 07:04:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2022-11-19 07:04:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2022-11-19 07:04:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2022-11-19 07:04:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2022-11-19 07:04:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2022-11-19 07:04:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2022-11-19 07:04:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2022-11-19 07:04:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-19 07:04:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-19 07:04:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:04:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:04:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:04:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:04:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-19 07:04:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-19 07:04:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2022-11-19 07:04:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2022-11-19 07:04:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 07:04:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 07:04:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:04:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:04:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:04:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:04:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:04:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:04:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-19 07:04:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-19 07:04:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:04:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2022-11-19 07:04:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2022-11-19 07:04:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:04:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:04:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2022-11-19 07:04:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2022-11-19 07:04:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:04:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:04:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:04:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 07:04:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 07:04:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2022-11-19 07:04:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2022-11-19 07:04:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_102 [2022-11-19 07:04:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_102 [2022-11-19 07:04:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2022-11-19 07:04:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2022-11-19 07:04:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:04:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 07:04:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 07:04:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:04:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:04:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2022-11-19 07:04:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2022-11-19 07:04:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:04:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:04:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:04:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:04:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:04:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:04:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:04:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2022-11-19 07:04:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2022-11-19 07:04:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:04:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:04:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:04:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:04:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:04:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:04:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2022-11-19 07:04:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2022-11-19 07:04:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:04:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:04:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:04:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:04:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2022-11-19 07:04:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2022-11-19 07:04:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 07:04:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 07:04:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:04:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:04:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:04:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:04:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:04:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:04:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2022-11-19 07:04:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2022-11-19 07:04:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2022-11-19 07:04:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2022-11-19 07:04:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:04:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:04:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2022-11-19 07:04:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2022-11-19 07:04:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2022-11-19 07:04:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2022-11-19 07:04:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2022-11-19 07:04:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2022-11-19 07:04:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:04:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:04:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2022-11-19 07:04:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2022-11-19 07:04:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2022-11-19 07:04:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2022-11-19 07:04:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2022-11-19 07:04:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2022-11-19 07:04:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:04:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2022-11-19 07:04:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2022-11-19 07:04:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-19 07:04:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-19 07:04:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2022-11-19 07:04:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2022-11-19 07:04:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:04:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:04:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:04:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:04:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:04:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:04:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:04:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:04:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:04:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:04:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:04:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:04:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2022-11-19 07:04:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2022-11-19 07:04:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:04:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:04:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2022-11-19 07:04:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2022-11-19 07:04:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2022-11-19 07:04:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2022-11-19 07:04:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2022-11-19 07:04:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2022-11-19 07:04:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:04:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:04:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2022-11-19 07:04:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2022-11-19 07:04:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2022-11-19 07:04:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2022-11-19 07:04:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-19 07:04:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-19 07:04:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:04:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:04:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2022-11-19 07:04:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2022-11-19 07:04:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:04:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:04:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2022-11-19 07:04:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2022-11-19 07:04:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2022-11-19 07:04:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2022-11-19 07:04:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:04:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:04:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:04:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:04:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2022-11-19 07:04:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2022-11-19 07:04:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:04:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:04:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:04:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:04:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-19 07:04:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-19 07:04:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2022-11-19 07:04:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2022-11-19 07:04:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:04:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:04:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2022-11-19 07:04:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2022-11-19 07:04:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 07:04:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 07:04:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2022-11-19 07:04:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2022-11-19 07:04:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2022-11-19 07:04:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2022-11-19 07:04:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:04:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:04:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2022-11-19 07:04:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2022-11-19 07:04:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:04:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:04:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:04:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:04:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:04:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:04:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:04:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:04:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2022-11-19 07:04:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2022-11-19 07:04:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:04:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:04:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:04:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:04:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:04:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_117 [2022-11-19 07:04:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_117 [2022-11-19 07:04:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2022-11-19 07:04:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2022-11-19 07:04:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:04:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2022-11-19 07:04:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2022-11-19 07:04:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_139 [2022-11-19 07:04:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_139 [2022-11-19 07:04:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 07:04:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 07:04:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2022-11-19 07:04:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2022-11-19 07:04:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:04:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:04:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:04:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:04:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:04:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2022-11-19 07:04:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2022-11-19 07:04:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:04:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:04:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2022-11-19 07:04:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2022-11-19 07:04:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 07:04:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 07:04:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2022-11-19 07:04:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2022-11-19 07:04:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:04:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:04:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:04:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:04:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 07:04:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 07:04:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:04:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:04:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2022-11-19 07:04:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2022-11-19 07:04:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:04:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:04:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2022-11-19 07:04:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2022-11-19 07:04:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2022-11-19 07:04:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2022-11-19 07:04:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2022-11-19 07:04:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2022-11-19 07:04:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:04:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:04:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:04:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:04:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:04:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:04:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2022-11-19 07:04:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2022-11-19 07:04:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2022-11-19 07:04:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2022-11-19 07:04:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:04:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:04:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:04:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:04:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2022-11-19 07:04:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2022-11-19 07:04:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:04:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:04:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:04:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:04:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:04:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2022-11-19 07:04:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2022-11-19 07:04:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:04:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:04:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2022-11-19 07:04:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2022-11-19 07:04:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:04:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:04:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2022-11-19 07:04:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2022-11-19 07:04:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-11-19 07:04:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-11-19 07:04:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:04:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:04:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2022-11-19 07:04:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2022-11-19 07:04:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2022-11-19 07:04:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2022-11-19 07:04:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2022-11-19 07:04:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2022-11-19 07:04:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:04:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:04:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 07:04:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 07:04:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2022-11-19 07:04:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2022-11-19 07:04:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:04:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:04:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-11-19 07:04:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-11-19 07:04:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:04:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:04:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2022-11-19 07:04:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2022-11-19 07:04:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:04:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:04:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2022-11-19 07:04:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2022-11-19 07:04:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:04:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2022-11-19 07:04:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2022-11-19 07:04:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-19 07:04:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-19 07:04:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2022-11-19 07:04:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2022-11-19 07:04:25,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:04:25,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:04:25,572 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:04:36,224 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:04:37,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:04:37,470 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-19 07:04:37,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:04:37 BoogieIcfgContainer [2022-11-19 07:04:37,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:04:37,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:04:37,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:04:37,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:04:37,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:04:17" (1/3) ... [2022-11-19 07:04:37,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476e8f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:04:37, skipping insertion in model container [2022-11-19 07:04:37,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:22" (2/3) ... [2022-11-19 07:04:37,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476e8f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:04:37, skipping insertion in model container [2022-11-19 07:04:37,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:04:37" (3/3) ... [2022-11-19 07:04:37,491 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-11-19 07:04:37,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:04:37,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-19 07:04:37,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:04:37,644 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1cee0a1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:04:37,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-19 07:04:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 2056 states, 1163 states have (on average 1.3215821152192606) internal successors, (1537), 1274 states have internal predecessors, (1537), 703 states have call successors, (703), 167 states have call predecessors, (703), 166 states have return successors, (695), 679 states have call predecessors, (695), 695 states have call successors, (695) [2022-11-19 07:04:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-19 07:04:37,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:37,669 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:37,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:37,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1768829598, now seen corresponding path program 1 times [2022-11-19 07:04:37,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:37,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079143511] [2022-11-19 07:04:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:38,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:38,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079143511] [2022-11-19 07:04:38,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079143511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:38,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:38,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:38,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497857000] [2022-11-19 07:04:38,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:38,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:38,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:38,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:38,644 INFO L87 Difference]: Start difference. First operand has 2056 states, 1163 states have (on average 1.3215821152192606) internal successors, (1537), 1274 states have internal predecessors, (1537), 703 states have call successors, (703), 167 states have call predecessors, (703), 166 states have return successors, (695), 679 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 07:04:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:40,795 INFO L93 Difference]: Finished difference Result 5490 states and 8105 transitions. [2022-11-19 07:04:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:04:40,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-19 07:04:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:40,857 INFO L225 Difference]: With dead ends: 5490 [2022-11-19 07:04:40,857 INFO L226 Difference]: Without dead ends: 3427 [2022-11-19 07:04:40,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:40,878 INFO L413 NwaCegarLoop]: 3199 mSDtfsCounter, 1945 mSDsluCounter, 5769 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 8968 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:40,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 8968 Invalid, 884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 07:04:40,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-11-19 07:04:41,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3256. [2022-11-19 07:04:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 1846 states have (on average 1.2876489707475622) internal successors, (2377), 1988 states have internal predecessors, (2377), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4593 transitions. [2022-11-19 07:04:41,188 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4593 transitions. Word has length 47 [2022-11-19 07:04:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:41,190 INFO L495 AbstractCegarLoop]: Abstraction has 3256 states and 4593 transitions. [2022-11-19 07:04:41,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 07:04:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4593 transitions. [2022-11-19 07:04:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:04:41,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:41,194 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:41,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:04:41,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:41,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1665971471, now seen corresponding path program 1 times [2022-11-19 07:04:41,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:41,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123719450] [2022-11-19 07:04:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:41,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:41,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123719450] [2022-11-19 07:04:41,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123719450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:41,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:41,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:41,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256329791] [2022-11-19 07:04:41,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:41,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:41,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:41,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:41,757 INFO L87 Difference]: Start difference. First operand 3256 states and 4593 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 07:04:43,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:43,046 INFO L93 Difference]: Finished difference Result 3256 states and 4593 transitions. [2022-11-19 07:04:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:43,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-19 07:04:43,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:43,067 INFO L225 Difference]: With dead ends: 3256 [2022-11-19 07:04:43,067 INFO L226 Difference]: Without dead ends: 3254 [2022-11-19 07:04:43,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:43,071 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 2829 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:43,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 5130 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 07:04:43,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2022-11-19 07:04:43,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3254. [2022-11-19 07:04:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 1845 states have (on average 1.2872628726287263) internal successors, (2375), 1986 states have internal predecessors, (2375), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4591 transitions. [2022-11-19 07:04:43,268 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4591 transitions. Word has length 52 [2022-11-19 07:04:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:43,269 INFO L495 AbstractCegarLoop]: Abstraction has 3254 states and 4591 transitions. [2022-11-19 07:04:43,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 07:04:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4591 transitions. [2022-11-19 07:04:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:04:43,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:43,277 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:43,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:04:43,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:43,287 INFO L85 PathProgramCache]: Analyzing trace with hash 709132927, now seen corresponding path program 1 times [2022-11-19 07:04:43,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:43,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770400992] [2022-11-19 07:04:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:43,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:43,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770400992] [2022-11-19 07:04:43,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770400992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:43,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:43,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:43,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511835327] [2022-11-19 07:04:43,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:43,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:43,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:43,852 INFO L87 Difference]: Start difference. First operand 3254 states and 4591 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 07:04:45,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:45,108 INFO L93 Difference]: Finished difference Result 3254 states and 4591 transitions. [2022-11-19 07:04:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:45,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-19 07:04:45,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:45,128 INFO L225 Difference]: With dead ends: 3254 [2022-11-19 07:04:45,128 INFO L226 Difference]: Without dead ends: 3252 [2022-11-19 07:04:45,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:45,132 INFO L413 NwaCegarLoop]: 2563 mSDtfsCounter, 2826 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 5126 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:45,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 5126 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:04:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-11-19 07:04:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2022-11-19 07:04:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 1844 states have (on average 1.2868763557483731) internal successors, (2373), 1984 states have internal predecessors, (2373), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4589 transitions. [2022-11-19 07:04:45,324 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4589 transitions. Word has length 57 [2022-11-19 07:04:45,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:45,324 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 4589 transitions. [2022-11-19 07:04:45,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 07:04:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4589 transitions. [2022-11-19 07:04:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 07:04:45,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:45,327 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:45,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:04:45,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:45,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:45,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2038554318, now seen corresponding path program 1 times [2022-11-19 07:04:45,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:45,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333907118] [2022-11-19 07:04:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:45,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:45,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:45,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333907118] [2022-11-19 07:04:45,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333907118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:45,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:45,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:45,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968427053] [2022-11-19 07:04:45,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:45,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:45,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:45,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:45,668 INFO L87 Difference]: Start difference. First operand 3252 states and 4589 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:04:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:47,176 INFO L93 Difference]: Finished difference Result 3252 states and 4589 transitions. [2022-11-19 07:04:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:47,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-19 07:04:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:47,195 INFO L225 Difference]: With dead ends: 3252 [2022-11-19 07:04:47,196 INFO L226 Difference]: Without dead ends: 3250 [2022-11-19 07:04:47,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:47,199 INFO L413 NwaCegarLoop]: 2561 mSDtfsCounter, 2823 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:47,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 5122 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:04:47,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2022-11-19 07:04:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2022-11-19 07:04:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1843 states have (on average 1.2864894194248508) internal successors, (2371), 1982 states have internal predecessors, (2371), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4587 transitions. [2022-11-19 07:04:47,416 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4587 transitions. Word has length 62 [2022-11-19 07:04:47,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:47,417 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4587 transitions. [2022-11-19 07:04:47,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:04:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4587 transitions. [2022-11-19 07:04:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 07:04:47,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:47,419 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:47,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:04:47,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:47,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:47,420 INFO L85 PathProgramCache]: Analyzing trace with hash 987606219, now seen corresponding path program 1 times [2022-11-19 07:04:47,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:47,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600170308] [2022-11-19 07:04:47,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:47,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:47,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:47,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600170308] [2022-11-19 07:04:47,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600170308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:47,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:47,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:47,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196970053] [2022-11-19 07:04:47,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:47,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:47,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:47,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:47,801 INFO L87 Difference]: Start difference. First operand 3250 states and 4587 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:04:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:49,359 INFO L93 Difference]: Finished difference Result 3250 states and 4587 transitions. [2022-11-19 07:04:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:49,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-19 07:04:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:49,382 INFO L225 Difference]: With dead ends: 3250 [2022-11-19 07:04:49,383 INFO L226 Difference]: Without dead ends: 3248 [2022-11-19 07:04:49,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:49,387 INFO L413 NwaCegarLoop]: 2559 mSDtfsCounter, 2820 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 5118 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:49,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 5118 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:04:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2022-11-19 07:04:49,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3248. [2022-11-19 07:04:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 1842 states have (on average 1.286102062975027) internal successors, (2369), 1980 states have internal predecessors, (2369), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4585 transitions. [2022-11-19 07:04:49,741 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4585 transitions. Word has length 67 [2022-11-19 07:04:49,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:49,741 INFO L495 AbstractCegarLoop]: Abstraction has 3248 states and 4585 transitions. [2022-11-19 07:04:49,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:04:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4585 transitions. [2022-11-19 07:04:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-19 07:04:49,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:49,744 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:49,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:04:49,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -629398807, now seen corresponding path program 1 times [2022-11-19 07:04:49,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:49,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942158776] [2022-11-19 07:04:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:49,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:50,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:50,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942158776] [2022-11-19 07:04:50,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942158776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:50,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:50,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626219410] [2022-11-19 07:04:50,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:50,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:50,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:50,178 INFO L87 Difference]: Start difference. First operand 3248 states and 4585 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:04:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:51,713 INFO L93 Difference]: Finished difference Result 3248 states and 4585 transitions. [2022-11-19 07:04:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:51,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-19 07:04:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:51,736 INFO L225 Difference]: With dead ends: 3248 [2022-11-19 07:04:51,736 INFO L226 Difference]: Without dead ends: 3246 [2022-11-19 07:04:51,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:51,740 INFO L413 NwaCegarLoop]: 2557 mSDtfsCounter, 2817 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5114 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:51,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 5114 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:04:51,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2022-11-19 07:04:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3246. [2022-11-19 07:04:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3246 states, 1841 states have (on average 1.2857142857142858) internal successors, (2367), 1978 states have internal predecessors, (2367), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 4583 transitions. [2022-11-19 07:04:52,094 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 4583 transitions. Word has length 72 [2022-11-19 07:04:52,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:52,095 INFO L495 AbstractCegarLoop]: Abstraction has 3246 states and 4583 transitions. [2022-11-19 07:04:52,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:04:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 4583 transitions. [2022-11-19 07:04:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-19 07:04:52,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:52,097 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:52,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:04:52,097 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:52,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1582769826, now seen corresponding path program 1 times [2022-11-19 07:04:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:52,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453965006] [2022-11-19 07:04:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:04:52,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:52,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453965006] [2022-11-19 07:04:52,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453965006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:52,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:52,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:04:52,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426374239] [2022-11-19 07:04:52,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:52,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:04:52,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:52,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:04:52,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:04:52,431 INFO L87 Difference]: Start difference. First operand 3246 states and 4583 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:04:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:53,904 INFO L93 Difference]: Finished difference Result 3246 states and 4583 transitions. [2022-11-19 07:04:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:04:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-19 07:04:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:53,931 INFO L225 Difference]: With dead ends: 3246 [2022-11-19 07:04:53,931 INFO L226 Difference]: Without dead ends: 3244 [2022-11-19 07:04:53,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:53,935 INFO L413 NwaCegarLoop]: 2555 mSDtfsCounter, 2814 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 5110 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:53,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 5110 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:04:53,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2022-11-19 07:04:54,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3244. [2022-11-19 07:04:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 1840 states have (on average 1.2853260869565217) internal successors, (2365), 1976 states have internal predecessors, (2365), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4581 transitions. [2022-11-19 07:04:54,197 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4581 transitions. Word has length 77 [2022-11-19 07:04:54,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:54,197 INFO L495 AbstractCegarLoop]: Abstraction has 3244 states and 4581 transitions. [2022-11-19 07:04:54,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:04:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4581 transitions. [2022-11-19 07:04:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-19 07:04:54,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:54,199 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:54,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:04:54,200 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:54,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:54,200 INFO L85 PathProgramCache]: Analyzing trace with hash 150793625, now seen corresponding path program 1 times [2022-11-19 07:04:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:54,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939097761] [2022-11-19 07:04:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-19 07:04:54,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:54,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939097761] [2022-11-19 07:04:54,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939097761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:54,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:54,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:04:54,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184328745] [2022-11-19 07:04:54,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:54,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:04:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:54,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:04:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:04:54,514 INFO L87 Difference]: Start difference. First operand 3244 states and 4581 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:04:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:55,580 INFO L93 Difference]: Finished difference Result 6464 states and 9133 transitions. [2022-11-19 07:04:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:04:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 86 [2022-11-19 07:04:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:55,601 INFO L225 Difference]: With dead ends: 6464 [2022-11-19 07:04:55,602 INFO L226 Difference]: Without dead ends: 3238 [2022-11-19 07:04:55,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:04:55,618 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2825 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:55,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 2551 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:04:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-11-19 07:04:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2022-11-19 07:04:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 1835 states have (on average 1.283923705722071) internal successors, (2356), 1970 states have internal predecessors, (2356), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-11-19 07:04:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4572 transitions. [2022-11-19 07:04:55,893 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4572 transitions. Word has length 86 [2022-11-19 07:04:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:55,894 INFO L495 AbstractCegarLoop]: Abstraction has 3238 states and 4572 transitions. [2022-11-19 07:04:55,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:04:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4572 transitions. [2022-11-19 07:04:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 07:04:55,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:55,896 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:55,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:04:55,896 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:04:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1842637380, now seen corresponding path program 1 times [2022-11-19 07:04:55,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:55,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074791075] [2022-11-19 07:04:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:04:56,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:56,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074791075] [2022-11-19 07:04:56,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074791075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:56,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:56,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:04:56,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821421373] [2022-11-19 07:04:56,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:56,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:04:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:56,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:04:56,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:04:56,803 INFO L87 Difference]: Start difference. First operand 3238 states and 4572 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:05:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:02,612 INFO L93 Difference]: Finished difference Result 4324 states and 6076 transitions. [2022-11-19 07:05:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:05:02,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-11-19 07:05:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:02,638 INFO L225 Difference]: With dead ends: 4324 [2022-11-19 07:05:02,638 INFO L226 Difference]: Without dead ends: 4322 [2022-11-19 07:05:02,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:05:02,642 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 2637 mSDsluCounter, 10487 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 13901 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:02,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 13901 Invalid, 2702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 07:05:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4322 states. [2022-11-19 07:05:03,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4322 to 4303. [2022-11-19 07:05:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4303 states, 2428 states have (on average 1.2821252059308073) internal successors, (3113), 2611 states have internal predecessors, (3113), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-11-19 07:05:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 6055 transitions. [2022-11-19 07:05:03,029 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 6055 transitions. Word has length 95 [2022-11-19 07:05:03,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:03,030 INFO L495 AbstractCegarLoop]: Abstraction has 4303 states and 6055 transitions. [2022-11-19 07:05:03,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:05:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 6055 transitions. [2022-11-19 07:05:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-19 07:05:03,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:03,033 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:03,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:05:03,033 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:03,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:03,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2097793669, now seen corresponding path program 1 times [2022-11-19 07:05:03,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:03,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426484920] [2022-11-19 07:05:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:03,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:03,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:03,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426484920] [2022-11-19 07:05:03,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426484920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:03,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:03,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:03,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380398351] [2022-11-19 07:05:03,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:03,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:03,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:03,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:03,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:03,384 INFO L87 Difference]: Start difference. First operand 4303 states and 6055 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:05:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:05,293 INFO L93 Difference]: Finished difference Result 4303 states and 6055 transitions. [2022-11-19 07:05:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:05,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-19 07:05:05,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:05,318 INFO L225 Difference]: With dead ends: 4303 [2022-11-19 07:05:05,318 INFO L226 Difference]: Without dead ends: 4301 [2022-11-19 07:05:05,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:05,322 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 2810 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 5092 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:05,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 5092 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:05:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2022-11-19 07:05:05,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4301. [2022-11-19 07:05:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 2427 states have (on average 1.2818294190358468) internal successors, (3111), 2609 states have internal predecessors, (3111), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-11-19 07:05:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6053 transitions. [2022-11-19 07:05:05,670 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 6053 transitions. Word has length 82 [2022-11-19 07:05:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:05,670 INFO L495 AbstractCegarLoop]: Abstraction has 4301 states and 6053 transitions. [2022-11-19 07:05:05,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:05:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 6053 transitions. [2022-11-19 07:05:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-19 07:05:05,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:05,672 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:05:05,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:05:05,673 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash 137125907, now seen corresponding path program 1 times [2022-11-19 07:05:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:05,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962192192] [2022-11-19 07:05:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:05:05,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962192192] [2022-11-19 07:05:05,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962192192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:05,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:05,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:05:05,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060648036] [2022-11-19 07:05:05,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:05,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:05,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:05,927 INFO L87 Difference]: Start difference. First operand 4301 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:05:07,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:07,068 INFO L93 Difference]: Finished difference Result 8576 states and 12130 transitions. [2022-11-19 07:05:07,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:07,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 98 [2022-11-19 07:05:07,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:07,090 INFO L225 Difference]: With dead ends: 8576 [2022-11-19 07:05:07,090 INFO L226 Difference]: Without dead ends: 4293 [2022-11-19 07:05:07,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:05:07,112 INFO L413 NwaCegarLoop]: 2544 mSDtfsCounter, 2796 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:07,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 2544 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:05:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2022-11-19 07:05:07,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2022-11-19 07:05:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2420 states have (on average 1.2801652892561983) internal successors, (3098), 2601 states have internal predecessors, (3098), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-11-19 07:05:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6040 transitions. [2022-11-19 07:05:07,538 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6040 transitions. Word has length 98 [2022-11-19 07:05:07,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:07,539 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6040 transitions. [2022-11-19 07:05:07,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:05:07,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6040 transitions. [2022-11-19 07:05:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-19 07:05:07,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:07,541 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:07,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:05:07,541 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:07,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1639911970, now seen corresponding path program 1 times [2022-11-19 07:05:07,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:07,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661412074] [2022-11-19 07:05:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:07,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:07,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661412074] [2022-11-19 07:05:07,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661412074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:07,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:07,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:07,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797550434] [2022-11-19 07:05:07,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:07,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:07,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:07,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:07,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:07,854 INFO L87 Difference]: Start difference. First operand 4293 states and 6040 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:05:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:09,424 INFO L93 Difference]: Finished difference Result 4293 states and 6040 transitions. [2022-11-19 07:05:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:09,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-19 07:05:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:09,444 INFO L225 Difference]: With dead ends: 4293 [2022-11-19 07:05:09,445 INFO L226 Difference]: Without dead ends: 4291 [2022-11-19 07:05:09,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:09,449 INFO L413 NwaCegarLoop]: 2541 mSDtfsCounter, 2797 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:09,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 5082 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:05:09,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4291 states. [2022-11-19 07:05:09,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4291 to 4291. [2022-11-19 07:05:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 2419 states have (on average 1.2798677139313765) internal successors, (3096), 2599 states have internal predecessors, (3096), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-11-19 07:05:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 6038 transitions. [2022-11-19 07:05:09,984 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 6038 transitions. Word has length 84 [2022-11-19 07:05:09,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:09,985 INFO L495 AbstractCegarLoop]: Abstraction has 4291 states and 6038 transitions. [2022-11-19 07:05:09,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:05:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 6038 transitions. [2022-11-19 07:05:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:05:09,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:09,987 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:09,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:05:09,988 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:09,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:09,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1627013622, now seen corresponding path program 1 times [2022-11-19 07:05:09,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:09,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029566542] [2022-11-19 07:05:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:09,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-19 07:05:10,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:10,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029566542] [2022-11-19 07:05:10,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029566542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:10,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:10,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:05:10,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349624611] [2022-11-19 07:05:10,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:10,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:05:10,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:10,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:05:10,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:10,582 INFO L87 Difference]: Start difference. First operand 4291 states and 6038 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:12,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:12,648 INFO L93 Difference]: Finished difference Result 4421 states and 6166 transitions. [2022-11-19 07:05:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:05:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-19 07:05:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:12,670 INFO L225 Difference]: With dead ends: 4421 [2022-11-19 07:05:12,671 INFO L226 Difference]: Without dead ends: 4419 [2022-11-19 07:05:12,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:05:12,675 INFO L413 NwaCegarLoop]: 2583 mSDtfsCounter, 2748 mSDsluCounter, 5262 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 7845 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:12,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 7845 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:05:12,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2022-11-19 07:05:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4417. [2022-11-19 07:05:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 2486 states have (on average 1.2735317779565567) internal successors, (3166), 2667 states have internal predecessors, (3166), 1488 states have call successors, (1488), 427 states have call predecessors, (1488), 425 states have return successors, (1508), 1438 states have call predecessors, (1508), 1486 states have call successors, (1508) [2022-11-19 07:05:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6162 transitions. [2022-11-19 07:05:13,245 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6162 transitions. Word has length 94 [2022-11-19 07:05:13,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:13,246 INFO L495 AbstractCegarLoop]: Abstraction has 4417 states and 6162 transitions. [2022-11-19 07:05:13,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6162 transitions. [2022-11-19 07:05:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:05:13,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:13,248 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:13,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:05:13,248 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:13,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1835653142, now seen corresponding path program 1 times [2022-11-19 07:05:13,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:13,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499554250] [2022-11-19 07:05:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-19 07:05:13,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:13,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499554250] [2022-11-19 07:05:13,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499554250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:13,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:13,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:05:13,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776512384] [2022-11-19 07:05:13,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:13,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:05:13,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:13,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:05:13,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:13,820 INFO L87 Difference]: Start difference. First operand 4417 states and 6162 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:16,259 INFO L93 Difference]: Finished difference Result 5286 states and 7187 transitions. [2022-11-19 07:05:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:05:16,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-19 07:05:16,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:16,281 INFO L225 Difference]: With dead ends: 5286 [2022-11-19 07:05:16,281 INFO L226 Difference]: Without dead ends: 5284 [2022-11-19 07:05:16,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:05:16,286 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 1829 mSDsluCounter, 6759 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 9470 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:16,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 9470 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:05:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2022-11-19 07:05:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5249. [2022-11-19 07:05:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5249 states, 2926 states have (on average 1.2570061517429938) internal successors, (3678), 3126 states have internal predecessors, (3678), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 7162 transitions. [2022-11-19 07:05:17,131 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 7162 transitions. Word has length 94 [2022-11-19 07:05:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:17,132 INFO L495 AbstractCegarLoop]: Abstraction has 5249 states and 7162 transitions. [2022-11-19 07:05:17,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:17,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 7162 transitions. [2022-11-19 07:05:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:05:17,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:17,134 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 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] [2022-11-19 07:05:17,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:05:17,134 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:17,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash -969327068, now seen corresponding path program 1 times [2022-11-19 07:05:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:17,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101901910] [2022-11-19 07:05:17,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-19 07:05:17,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:17,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101901910] [2022-11-19 07:05:17,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101901910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:05:17,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597793525] [2022-11-19 07:05:17,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:17,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:05:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:05:17,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:05:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:05:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:18,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:05:18,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:05:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-19 07:05:18,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:05:18,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597793525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:18,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:05:18,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-19 07:05:18,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261328492] [2022-11-19 07:05:18,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:18,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:05:18,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:18,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:05:18,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:05:18,727 INFO L87 Difference]: Start difference. First operand 5249 states and 7162 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:05:20,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:20,047 INFO L93 Difference]: Finished difference Result 10474 states and 14295 transitions. [2022-11-19 07:05:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:05:20,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 94 [2022-11-19 07:05:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:20,068 INFO L225 Difference]: With dead ends: 10474 [2022-11-19 07:05:20,069 INFO L226 Difference]: Without dead ends: 5243 [2022-11-19 07:05:20,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:05:20,090 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 2802 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 2537 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:20,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 2537 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:05:20,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5243 states. [2022-11-19 07:05:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5243 to 5243. [2022-11-19 07:05:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 2921 states have (on average 1.2560766860664156) internal successors, (3669), 3120 states have internal predecessors, (3669), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7153 transitions. [2022-11-19 07:05:20,706 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7153 transitions. Word has length 94 [2022-11-19 07:05:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:20,707 INFO L495 AbstractCegarLoop]: Abstraction has 5243 states and 7153 transitions. [2022-11-19 07:05:20,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:05:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7153 transitions. [2022-11-19 07:05:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-19 07:05:20,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:20,709 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:20,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:05:20,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:05:20,920 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:20,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1194773309, now seen corresponding path program 1 times [2022-11-19 07:05:20,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:20,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460090944] [2022-11-19 07:05:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:20,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:21,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:21,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460090944] [2022-11-19 07:05:21,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460090944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:21,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:21,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:21,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829430470] [2022-11-19 07:05:21,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:21,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:21,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:21,280 INFO L87 Difference]: Start difference. First operand 5243 states and 7153 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:05:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:22,955 INFO L93 Difference]: Finished difference Result 5243 states and 7153 transitions. [2022-11-19 07:05:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:22,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-19 07:05:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:22,972 INFO L225 Difference]: With dead ends: 5243 [2022-11-19 07:05:22,972 INFO L226 Difference]: Without dead ends: 5241 [2022-11-19 07:05:22,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:22,975 INFO L413 NwaCegarLoop]: 2534 mSDtfsCounter, 2791 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2793 SdHoareTripleChecker+Valid, 5068 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:22,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2793 Valid, 5068 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 07:05:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-11-19 07:05:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 5241. [2022-11-19 07:05:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5241 states, 2920 states have (on average 1.2554794520547945) internal successors, (3666), 3118 states have internal predecessors, (3666), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 5241 states and 7150 transitions. [2022-11-19 07:05:23,577 INFO L78 Accepts]: Start accepts. Automaton has 5241 states and 7150 transitions. Word has length 89 [2022-11-19 07:05:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:23,577 INFO L495 AbstractCegarLoop]: Abstraction has 5241 states and 7150 transitions. [2022-11-19 07:05:23,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:05:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 7150 transitions. [2022-11-19 07:05:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:05:23,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:23,580 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:23,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:05:23,580 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:23,581 INFO L85 PathProgramCache]: Analyzing trace with hash 531970975, now seen corresponding path program 1 times [2022-11-19 07:05:23,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:23,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243685288] [2022-11-19 07:05:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:23,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:23,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:23,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243685288] [2022-11-19 07:05:23,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243685288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:23,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:23,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899221703] [2022-11-19 07:05:23,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:23,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:23,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:23,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:23,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:23,904 INFO L87 Difference]: Start difference. First operand 5241 states and 7150 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:25,734 INFO L93 Difference]: Finished difference Result 5241 states and 7150 transitions. [2022-11-19 07:05:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:25,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-19 07:05:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:25,752 INFO L225 Difference]: With dead ends: 5241 [2022-11-19 07:05:25,752 INFO L226 Difference]: Without dead ends: 5239 [2022-11-19 07:05:25,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:25,756 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 2788 mSDsluCounter, 2532 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 5064 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:25,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2790 Valid, 5064 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:05:25,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5239 states. [2022-11-19 07:05:26,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5239 to 5239. [2022-11-19 07:05:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 2919 states have (on average 1.2548818088386433) internal successors, (3663), 3116 states have internal predecessors, (3663), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7147 transitions. [2022-11-19 07:05:26,395 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7147 transitions. Word has length 94 [2022-11-19 07:05:26,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:26,396 INFO L495 AbstractCegarLoop]: Abstraction has 5239 states and 7147 transitions. [2022-11-19 07:05:26,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:05:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7147 transitions. [2022-11-19 07:05:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-19 07:05:26,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:26,398 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:26,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:05:26,399 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:26,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash 679167377, now seen corresponding path program 1 times [2022-11-19 07:05:26,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:26,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575819660] [2022-11-19 07:05:26,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:26,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:26,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575819660] [2022-11-19 07:05:26,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575819660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:26,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:26,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:26,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407877925] [2022-11-19 07:05:26,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:26,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:26,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:26,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:26,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:26,716 INFO L87 Difference]: Start difference. First operand 5239 states and 7147 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:05:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:28,614 INFO L93 Difference]: Finished difference Result 5239 states and 7147 transitions. [2022-11-19 07:05:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-19 07:05:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:28,641 INFO L225 Difference]: With dead ends: 5239 [2022-11-19 07:05:28,641 INFO L226 Difference]: Without dead ends: 5237 [2022-11-19 07:05:28,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:28,646 INFO L413 NwaCegarLoop]: 2530 mSDtfsCounter, 2785 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:28,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 5060 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:05:28,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5237 states. [2022-11-19 07:05:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5237 to 5237. [2022-11-19 07:05:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 2918 states have (on average 1.2542837559972584) internal successors, (3660), 3114 states have internal predecessors, (3660), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 7144 transitions. [2022-11-19 07:05:29,475 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 7144 transitions. Word has length 99 [2022-11-19 07:05:29,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:29,475 INFO L495 AbstractCegarLoop]: Abstraction has 5237 states and 7144 transitions. [2022-11-19 07:05:29,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:05:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 7144 transitions. [2022-11-19 07:05:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-19 07:05:29,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:29,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:29,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 07:05:29,479 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1275850659, now seen corresponding path program 1 times [2022-11-19 07:05:29,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:29,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358543305] [2022-11-19 07:05:29,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:29,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:29,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:29,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358543305] [2022-11-19 07:05:29,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358543305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:29,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:29,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853725280] [2022-11-19 07:05:29,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:29,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:29,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:29,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:29,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:29,851 INFO L87 Difference]: Start difference. First operand 5237 states and 7144 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:05:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:31,987 INFO L93 Difference]: Finished difference Result 5237 states and 7144 transitions. [2022-11-19 07:05:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:31,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-19 07:05:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:32,003 INFO L225 Difference]: With dead ends: 5237 [2022-11-19 07:05:32,003 INFO L226 Difference]: Without dead ends: 5235 [2022-11-19 07:05:32,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:32,005 INFO L413 NwaCegarLoop]: 2528 mSDtfsCounter, 2782 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:32,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 5056 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:05:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2022-11-19 07:05:32,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 5235. [2022-11-19 07:05:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 2917 states have (on average 1.253685293109359) internal successors, (3657), 3112 states have internal predecessors, (3657), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 7141 transitions. [2022-11-19 07:05:32,637 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 7141 transitions. Word has length 104 [2022-11-19 07:05:32,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:32,637 INFO L495 AbstractCegarLoop]: Abstraction has 5235 states and 7141 transitions. [2022-11-19 07:05:32,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:05:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 7141 transitions. [2022-11-19 07:05:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-19 07:05:32,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:32,647 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:32,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 07:05:32,649 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:32,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash -850915402, now seen corresponding path program 1 times [2022-11-19 07:05:32,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:32,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718384938] [2022-11-19 07:05:32,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:32,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-19 07:05:33,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:33,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718384938] [2022-11-19 07:05:33,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718384938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:33,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:33,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:05:33,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616927045] [2022-11-19 07:05:33,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:33,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:05:33,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:33,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:05:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:33,149 INFO L87 Difference]: Start difference. First operand 5235 states and 7141 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:05:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:36,116 INFO L93 Difference]: Finished difference Result 5237 states and 7142 transitions. [2022-11-19 07:05:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:05:36,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 116 [2022-11-19 07:05:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:36,133 INFO L225 Difference]: With dead ends: 5237 [2022-11-19 07:05:36,133 INFO L226 Difference]: Without dead ends: 5235 [2022-11-19 07:05:36,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:05:36,136 INFO L413 NwaCegarLoop]: 2561 mSDtfsCounter, 105 mSDsluCounter, 7609 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 10170 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:36,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 10170 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 07:05:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2022-11-19 07:05:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 5235. [2022-11-19 07:05:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 2917 states have (on average 1.2529996571820363) internal successors, (3655), 3112 states have internal predecessors, (3655), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 7139 transitions. [2022-11-19 07:05:36,701 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 7139 transitions. Word has length 116 [2022-11-19 07:05:36,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:36,702 INFO L495 AbstractCegarLoop]: Abstraction has 5235 states and 7139 transitions. [2022-11-19 07:05:36,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:05:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 7139 transitions. [2022-11-19 07:05:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-19 07:05:36,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:36,706 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:36,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 07:05:36,707 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:36,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:36,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1059568901, now seen corresponding path program 1 times [2022-11-19 07:05:36,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:36,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015107186] [2022-11-19 07:05:36,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:36,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:37,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:37,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015107186] [2022-11-19 07:05:37,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015107186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:37,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:37,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085268207] [2022-11-19 07:05:37,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:37,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:37,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:37,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:37,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:37,055 INFO L87 Difference]: Start difference. First operand 5235 states and 7139 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:05:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:39,055 INFO L93 Difference]: Finished difference Result 5235 states and 7139 transitions. [2022-11-19 07:05:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:39,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-19 07:05:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:39,072 INFO L225 Difference]: With dead ends: 5235 [2022-11-19 07:05:39,072 INFO L226 Difference]: Without dead ends: 5233 [2022-11-19 07:05:39,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:39,076 INFO L413 NwaCegarLoop]: 2526 mSDtfsCounter, 2779 mSDsluCounter, 2526 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 5052 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:39,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5052 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:05:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2022-11-19 07:05:39,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 5233. [2022-11-19 07:05:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 2916 states have (on average 1.252400548696845) internal successors, (3652), 3110 states have internal predecessors, (3652), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 7136 transitions. [2022-11-19 07:05:39,695 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 7136 transitions. Word has length 109 [2022-11-19 07:05:39,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:39,695 INFO L495 AbstractCegarLoop]: Abstraction has 5233 states and 7136 transitions. [2022-11-19 07:05:39,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:05:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 7136 transitions. [2022-11-19 07:05:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-19 07:05:39,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:39,700 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:39,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 07:05:39,700 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:39,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:39,701 INFO L85 PathProgramCache]: Analyzing trace with hash 217484607, now seen corresponding path program 1 times [2022-11-19 07:05:39,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:39,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912294629] [2022-11-19 07:05:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:40,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:40,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912294629] [2022-11-19 07:05:40,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912294629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:40,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:40,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:40,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665206128] [2022-11-19 07:05:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:40,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:40,110 INFO L87 Difference]: Start difference. First operand 5233 states and 7136 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:05:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:42,351 INFO L93 Difference]: Finished difference Result 5233 states and 7136 transitions. [2022-11-19 07:05:42,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:42,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-19 07:05:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:42,368 INFO L225 Difference]: With dead ends: 5233 [2022-11-19 07:05:42,368 INFO L226 Difference]: Without dead ends: 5231 [2022-11-19 07:05:42,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:42,372 INFO L413 NwaCegarLoop]: 2524 mSDtfsCounter, 2776 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 5048 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:42,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 5048 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:05:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5231 states. [2022-11-19 07:05:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5231 to 5231. [2022-11-19 07:05:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 2915 states have (on average 1.2518010291595196) internal successors, (3649), 3108 states have internal predecessors, (3649), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 7133 transitions. [2022-11-19 07:05:42,993 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 7133 transitions. Word has length 114 [2022-11-19 07:05:42,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:42,994 INFO L495 AbstractCegarLoop]: Abstraction has 5231 states and 7133 transitions. [2022-11-19 07:05:42,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:05:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 7133 transitions. [2022-11-19 07:05:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-19 07:05:42,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:42,998 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:42,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 07:05:42,999 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:42,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:42,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1552445104, now seen corresponding path program 1 times [2022-11-19 07:05:43,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:43,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436269014] [2022-11-19 07:05:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:43,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-19 07:05:43,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:43,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436269014] [2022-11-19 07:05:43,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436269014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:43,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:43,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:05:43,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516997585] [2022-11-19 07:05:43,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:43,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:05:43,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:05:43,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:43,839 INFO L87 Difference]: Start difference. First operand 5231 states and 7133 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:05:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:46,987 INFO L93 Difference]: Finished difference Result 5254 states and 7148 transitions. [2022-11-19 07:05:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:05:46,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2022-11-19 07:05:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:47,005 INFO L225 Difference]: With dead ends: 5254 [2022-11-19 07:05:47,006 INFO L226 Difference]: Without dead ends: 5252 [2022-11-19 07:05:47,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:05:47,009 INFO L413 NwaCegarLoop]: 2898 mSDtfsCounter, 1451 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 10305 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:47,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 10305 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 07:05:47,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-11-19 07:05:47,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5231. [2022-11-19 07:05:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 2915 states have (on average 1.2507718696397943) internal successors, (3646), 3108 states have internal predecessors, (3646), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 7130 transitions. [2022-11-19 07:05:47,601 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 7130 transitions. Word has length 131 [2022-11-19 07:05:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:47,602 INFO L495 AbstractCegarLoop]: Abstraction has 5231 states and 7130 transitions. [2022-11-19 07:05:47,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:05:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 7130 transitions. [2022-11-19 07:05:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 07:05:47,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:47,605 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:47,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 07:05:47,605 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1368680624, now seen corresponding path program 1 times [2022-11-19 07:05:47,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:47,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387824566] [2022-11-19 07:05:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:48,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:48,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387824566] [2022-11-19 07:05:48,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387824566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:48,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:48,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:48,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390884014] [2022-11-19 07:05:48,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:48,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:48,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:48,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:48,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:48,450 INFO L87 Difference]: Start difference. First operand 5231 states and 7130 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:05:50,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:50,914 INFO L93 Difference]: Finished difference Result 5231 states and 7130 transitions. [2022-11-19 07:05:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:50,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-19 07:05:50,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:50,940 INFO L225 Difference]: With dead ends: 5231 [2022-11-19 07:05:50,941 INFO L226 Difference]: Without dead ends: 5229 [2022-11-19 07:05:50,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:50,946 INFO L413 NwaCegarLoop]: 2522 mSDtfsCounter, 2773 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2775 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:50,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2775 Valid, 5044 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:05:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-11-19 07:05:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 5229. [2022-11-19 07:05:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5229 states, 2914 states have (on average 1.2501715854495539) internal successors, (3643), 3106 states have internal predecessors, (3643), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 7127 transitions. [2022-11-19 07:05:51,669 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 7127 transitions. Word has length 119 [2022-11-19 07:05:51,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:51,670 INFO L495 AbstractCegarLoop]: Abstraction has 5229 states and 7127 transitions. [2022-11-19 07:05:51,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:05:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 7127 transitions. [2022-11-19 07:05:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-19 07:05:51,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:51,674 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:51,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 07:05:51,675 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1196476787, now seen corresponding path program 1 times [2022-11-19 07:05:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:51,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811548260] [2022-11-19 07:05:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:52,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:52,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811548260] [2022-11-19 07:05:52,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811548260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:52,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:52,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71365382] [2022-11-19 07:05:52,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:52,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:52,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:52,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:52,034 INFO L87 Difference]: Start difference. First operand 5229 states and 7127 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:05:54,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:54,108 INFO L93 Difference]: Finished difference Result 5229 states and 7127 transitions. [2022-11-19 07:05:54,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:54,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-19 07:05:54,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:54,127 INFO L225 Difference]: With dead ends: 5229 [2022-11-19 07:05:54,127 INFO L226 Difference]: Without dead ends: 5227 [2022-11-19 07:05:54,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:54,131 INFO L413 NwaCegarLoop]: 2520 mSDtfsCounter, 2770 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 5040 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:54,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 5040 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:05:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2022-11-19 07:05:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 5227. [2022-11-19 07:05:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 2913 states have (on average 1.249570889117748) internal successors, (3640), 3104 states have internal predecessors, (3640), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 7124 transitions. [2022-11-19 07:05:54,789 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 7124 transitions. Word has length 124 [2022-11-19 07:05:54,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:54,789 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 7124 transitions. [2022-11-19 07:05:54,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:05:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 7124 transitions. [2022-11-19 07:05:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-19 07:05:54,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:54,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:54,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 07:05:54,793 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:54,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -932861647, now seen corresponding path program 1 times [2022-11-19 07:05:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:54,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968669799] [2022-11-19 07:05:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:55,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:55,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968669799] [2022-11-19 07:05:55,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968669799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:55,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:55,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:55,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836024172] [2022-11-19 07:05:55,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:55,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:55,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:55,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:55,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:55,104 INFO L87 Difference]: Start difference. First operand 5227 states and 7124 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:05:57,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:57,076 INFO L93 Difference]: Finished difference Result 5227 states and 7124 transitions. [2022-11-19 07:05:57,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:05:57,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-19 07:05:57,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:57,093 INFO L225 Difference]: With dead ends: 5227 [2022-11-19 07:05:57,093 INFO L226 Difference]: Without dead ends: 5225 [2022-11-19 07:05:57,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:57,096 INFO L413 NwaCegarLoop]: 2518 mSDtfsCounter, 2767 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2769 SdHoareTripleChecker+Valid, 5036 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:57,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2769 Valid, 5036 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 07:05:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5225 states. [2022-11-19 07:05:57,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5225 to 5225. [2022-11-19 07:05:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 2912 states have (on average 1.2489697802197801) internal successors, (3637), 3102 states have internal predecessors, (3637), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:05:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7121 transitions. [2022-11-19 07:05:57,708 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7121 transitions. Word has length 129 [2022-11-19 07:05:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:57,709 INFO L495 AbstractCegarLoop]: Abstraction has 5225 states and 7121 transitions. [2022-11-19 07:05:57,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:05:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7121 transitions. [2022-11-19 07:05:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 07:05:57,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:57,714 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:57,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 07:05:57,714 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:05:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash -399637924, now seen corresponding path program 1 times [2022-11-19 07:05:57,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:57,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428423911] [2022-11-19 07:05:57,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:05:58,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:58,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428423911] [2022-11-19 07:05:58,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428423911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:58,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:58,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:05:58,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187869368] [2022-11-19 07:05:58,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:58,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:05:58,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:58,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:05:58,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:05:58,049 INFO L87 Difference]: Start difference. First operand 5225 states and 7121 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:06:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:00,360 INFO L93 Difference]: Finished difference Result 5225 states and 7121 transitions. [2022-11-19 07:06:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:06:00,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-19 07:06:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:00,378 INFO L225 Difference]: With dead ends: 5225 [2022-11-19 07:06:00,378 INFO L226 Difference]: Without dead ends: 5223 [2022-11-19 07:06:00,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:06:00,381 INFO L413 NwaCegarLoop]: 2516 mSDtfsCounter, 2764 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2766 SdHoareTripleChecker+Valid, 5032 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:00,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2766 Valid, 5032 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:06:00,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-11-19 07:06:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5223. [2022-11-19 07:06:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 2911 states have (on average 1.2483682583304707) internal successors, (3634), 3100 states have internal predecessors, (3634), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:06:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 7118 transitions. [2022-11-19 07:06:01,082 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 7118 transitions. Word has length 134 [2022-11-19 07:06:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:01,083 INFO L495 AbstractCegarLoop]: Abstraction has 5223 states and 7118 transitions. [2022-11-19 07:06:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:06:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 7118 transitions. [2022-11-19 07:06:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 07:06:01,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:01,088 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 07:06:01,088 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:06:01,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash -997347601, now seen corresponding path program 1 times [2022-11-19 07:06:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:01,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541416621] [2022-11-19 07:06:01,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:06:01,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:01,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541416621] [2022-11-19 07:06:01,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541416621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:06:01,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:06:01,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:06:01,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939454469] [2022-11-19 07:06:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:01,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:06:01,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:06:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:06:01,559 INFO L87 Difference]: Start difference. First operand 5223 states and 7118 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-19 07:06:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:03,857 INFO L93 Difference]: Finished difference Result 5223 states and 7118 transitions. [2022-11-19 07:06:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:06:03,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-19 07:06:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:03,875 INFO L225 Difference]: With dead ends: 5223 [2022-11-19 07:06:03,875 INFO L226 Difference]: Without dead ends: 5221 [2022-11-19 07:06:03,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:06:03,879 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 2761 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:03,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 5028 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:06:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2022-11-19 07:06:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5221. [2022-11-19 07:06:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5221 states, 2910 states have (on average 1.247766323024055) internal successors, (3631), 3098 states have internal predecessors, (3631), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-11-19 07:06:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 7115 transitions. [2022-11-19 07:06:04,603 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 7115 transitions. Word has length 139 [2022-11-19 07:06:04,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:04,604 INFO L495 AbstractCegarLoop]: Abstraction has 5221 states and 7115 transitions. [2022-11-19 07:06:04,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-19 07:06:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 7115 transitions. [2022-11-19 07:06:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-19 07:06:04,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:04,609 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:04,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-19 07:06:04,609 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:06:04,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:04,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1878106555, now seen corresponding path program 1 times [2022-11-19 07:06:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:04,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393945021] [2022-11-19 07:06:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:04,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:06:04,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:04,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393945021] [2022-11-19 07:06:04,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393945021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:06:04,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:06:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:06:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441114811] [2022-11-19 07:06:04,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:04,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:06:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:04,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:06:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:06:04,962 INFO L87 Difference]: Start difference. First operand 5221 states and 7115 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:06:07,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:07,435 INFO L93 Difference]: Finished difference Result 5221 states and 7115 transitions. [2022-11-19 07:06:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:06:07,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-19 07:06:07,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:07,451 INFO L225 Difference]: With dead ends: 5221 [2022-11-19 07:06:07,451 INFO L226 Difference]: Without dead ends: 4990 [2022-11-19 07:06:07,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:06:07,455 INFO L413 NwaCegarLoop]: 2513 mSDtfsCounter, 2758 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 5026 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:07,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 5026 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:06:07,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2022-11-19 07:06:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4984. [2022-11-19 07:06:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4984 states, 2775 states have (on average 1.2576576576576577) internal successors, (3490), 2958 states have internal predecessors, (3490), 1670 states have call successors, (1670), 542 states have call predecessors, (1670), 534 states have return successors, (1692), 1605 states have call predecessors, (1692), 1668 states have call successors, (1692) [2022-11-19 07:06:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 6852 transitions. [2022-11-19 07:06:08,158 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 6852 transitions. Word has length 144 [2022-11-19 07:06:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:08,158 INFO L495 AbstractCegarLoop]: Abstraction has 4984 states and 6852 transitions. [2022-11-19 07:06:08,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:06:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 6852 transitions. [2022-11-19 07:06:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-19 07:06:08,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:08,163 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:08,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-19 07:06:08,164 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-19 07:06:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:08,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1305217713, now seen corresponding path program 1 times [2022-11-19 07:06:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:08,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649299530] [2022-11-19 07:06:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-11-19 07:06:11,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:11,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649299530] [2022-11-19 07:06:11,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649299530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:06:11,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035091715] [2022-11-19 07:06:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:11,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:06:11,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:06:11,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:06:11,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f44bf-5b03-4695-b8e8-e2d91de9f8b3/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:06:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:13,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2927 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-19 07:06:13,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:06:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-11-19 07:06:13,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:06:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-11-19 07:06:14,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035091715] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:06:14,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2076446761] [2022-11-19 07:06:14,041 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-19 07:06:14,042 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:06:14,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:06:14,053 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:06:14,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:06:18,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:19,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:19,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:19,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:20,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:20,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:06:21,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 07:11:04,581 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_net_register_reset_error_counter with input of size 2320 for LOIs [2022-11-19 07:11:07,545 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2318 for LOIs [2022-11-19 07:11:10,373 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2329 for LOIs [2022-11-19 07:11:47,152 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_usb_register_reset_error_counter with input of size 2320 for LOIs [2022-11-19 07:11:50,031 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 2503 for LOIs [2022-11-19 07:12:16,562 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:13:01,949 WARN L233 SmtUtils]: Spent 44.62s on a formula simplification that was a NOOP. DAG size: 2313 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:13:57,519 WARN L233 SmtUtils]: Spent 44.41s on a formula simplification that was a NOOP. DAG size: 2318 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:15:37,871 WARN L233 SmtUtils]: Spent 1.66m on a formula simplification. DAG size of input: 2427 DAG size of output: 2424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:16:24,678 WARN L233 SmtUtils]: Spent 45.73s on a formula simplification that was a NOOP. DAG size: 2326 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)