./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--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba --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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- 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-b5237d8 [2022-11-22 01:30:34,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:30:34,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:30:34,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:30:34,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:30:34,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:30:34,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:30:34,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:30:34,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:30:34,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:30:34,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:30:34,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:30:34,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:30:34,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:30:34,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:30:34,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:30:34,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:30:34,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:30:34,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:30:34,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:30:34,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:30:34,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:30:34,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:30:34,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:30:34,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:30:34,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:30:34,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:30:34,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:30:34,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:30:34,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:30:34,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:30:34,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:30:34,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:30:34,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:30:34,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:30:34,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:30:34,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:30:34,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:30:34,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:30:34,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:30:34,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:30:34,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:30:34,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:30:34,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:30:34,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:30:34,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:30:34,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:30:34,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:30:34,397 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:30:34,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:30:34,397 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:30:34,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:30:34,398 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:30:34,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:30:34,398 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:30:34,398 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:30:34,399 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:30:34,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:30:34,399 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:30:34,399 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:30:34,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:30:34,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:30:34,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:30:34,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:30:34,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:30:34,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:30:34,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:30:34,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:30:34,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:30:34,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:30:34,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:30:34,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:34,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:30:34,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:30:34,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:30:34,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:30:34,404 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:30:34,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:30:34,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:30:34,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:30:34,404 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_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2022-11-22 01:30:34,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:30:34,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:30:34,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:30:34,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:30:34,722 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:30:34,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-22 01:30:37,906 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:30:38,631 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:30:38,632 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-22 01:30:38,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/data/ea484dc90/18535ea643594ae1b7dd7272903b8cc9/FLAG1ae250728 [2022-11-22 01:30:38,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/data/ea484dc90/18535ea643594ae1b7dd7272903b8cc9 [2022-11-22 01:30:38,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:30:38,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:30:38,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:38,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:30:38,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:30:38,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:38" (1/1) ... [2022-11-22 01:30:38,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2823c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:38, skipping insertion in model container [2022-11-22 01:30:38,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:38" (1/1) ... [2022-11-22 01:30:38,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:30:39,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:30:46,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-22 01:30:46,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-22 01:30:46,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-22 01:30:46,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-22 01:30:46,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-22 01:30:46,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-22 01:30:46,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-22 01:30:46,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-22 01:30:46,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-22 01:30:46,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-22 01:30:46,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-22 01:30:46,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-22 01:30:46,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-22 01:30:46,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-22 01:30:46,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-22 01:30:46,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-22 01:30:46,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-22 01:30:46,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-22 01:30:46,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-22 01:30:46,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-22 01:30:46,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-22 01:30:46,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-22 01:30:46,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-22 01:30:46,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-22 01:30:46,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-22 01:30:46,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-22 01:30:46,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-22 01:30:46,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-22 01:30:46,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-22 01:30:46,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-22 01:30:46,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-22 01:30:46,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-22 01:30:46,735 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-22 01:30:46,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-22 01:30:46,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-22 01:30:46,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-22 01:30:46,737 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-22 01:30:46,737 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-22 01:30:46,738 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-22 01:30:46,738 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-22 01:30:46,739 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-22 01:30:46,739 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-22 01:30:46,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-22 01:30:46,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-22 01:30:46,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-22 01:30:46,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-22 01:30:46,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-22 01:30:46,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-22 01:30:46,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-22 01:30:46,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-22 01:30:46,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-22 01:30:46,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-22 01:30:46,744 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-22 01:30:46,744 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-22 01:30:46,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-22 01:30:46,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-22 01:30:46,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-22 01:30:46,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-22 01:30:46,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-22 01:30:46,747 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-22 01:30:46,747 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-22 01:30:46,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-22 01:30:46,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-22 01:30:46,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-22 01:30:46,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-22 01:30:46,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-22 01:30:46,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-22 01:30:46,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-22 01:30:46,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-22 01:30:46,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-22 01:30:46,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-22 01:30:46,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-22 01:30:46,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-22 01:30:46,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-22 01:30:46,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-22 01:30:46,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-22 01:30:46,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-22 01:30:46,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-22 01:30:46,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-22 01:30:46,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-22 01:30:46,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-22 01:30:46,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-22 01:30:46,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-22 01:30:46,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-22 01:30:46,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-22 01:30:46,758 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-22 01:30:46,758 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-22 01:30:46,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-22 01:30:46,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:46,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:30:47,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-22 01:30:47,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-22 01:30:47,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-22 01:30:47,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-22 01:30:47,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-22 01:30:47,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-22 01:30:47,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-22 01:30:47,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-22 01:30:47,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-22 01:30:47,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-22 01:30:47,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-22 01:30:47,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-22 01:30:47,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-22 01:30:47,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-22 01:30:47,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-22 01:30:47,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-22 01:30:47,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-22 01:30:47,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-22 01:30:47,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-22 01:30:47,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-22 01:30:47,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-22 01:30:47,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-22 01:30:47,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-22 01:30:47,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-22 01:30:47,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-22 01:30:47,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-22 01:30:47,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-22 01:30:47,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-22 01:30:47,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-22 01:30:47,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-22 01:30:47,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-22 01:30:47,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-22 01:30:47,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-22 01:30:47,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-22 01:30:47,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-22 01:30:47,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-22 01:30:47,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-22 01:30:47,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-22 01:30:47,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-22 01:30:47,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-22 01:30:47,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-22 01:30:47,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-22 01:30:47,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-22 01:30:47,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-22 01:30:47,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-22 01:30:47,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-22 01:30:47,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-22 01:30:47,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-22 01:30:47,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-22 01:30:47,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-22 01:30:47,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-22 01:30:47,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-22 01:30:47,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-22 01:30:47,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-22 01:30:47,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-22 01:30:47,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-22 01:30:47,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-22 01:30:47,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-22 01:30:47,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-22 01:30:47,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-22 01:30:47,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-22 01:30:47,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-22 01:30:47,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-22 01:30:47,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-22 01:30:47,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-22 01:30:47,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-22 01:30:47,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-22 01:30:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-22 01:30:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-22 01:30:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-22 01:30:47,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-22 01:30:47,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-22 01:30:47,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-22 01:30:47,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-22 01:30:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-22 01:30:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-22 01:30:47,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-22 01:30:47,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-22 01:30:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-22 01:30:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-22 01:30:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-22 01:30:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-22 01:30:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-22 01:30:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-22 01:30:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-22 01:30:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-22 01:30:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-22 01:30:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-22 01:30:47,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:48,095 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:30:48,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48 WrapperNode [2022-11-22 01:30:48,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:48,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:48,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:30:48,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:30:48,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:48,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:49,921 INFO L138 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12870 [2022-11-22 01:30:49,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:49,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:30:49,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:30:49,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:30:49,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:49,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:50,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:50,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:30:51,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:30:51,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:30:51,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:30:51,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (1/1) ... [2022-11-22 01:30:51,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:30:51,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:30:51,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc190c6-1480-412a-ad96-222f6839c300/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:30:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2022-11-22 01:30:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2022-11-22 01:30:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 01:30:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2022-11-22 01:30:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2022-11-22 01:30:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2022-11-22 01:30:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2022-11-22 01:30:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-22 01:30:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-22 01:30:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2022-11-22 01:30:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2022-11-22 01:30:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2022-11-22 01:30:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2022-11-22 01:30:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:30:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:30:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-22 01:30:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-22 01:30:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2022-11-22 01:30:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2022-11-22 01:30:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:30:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:30:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:30:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:30:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-22 01:30:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-22 01:30:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2022-11-22 01:30:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2022-11-22 01:30:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2022-11-22 01:30:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2022-11-22 01:30:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2022-11-22 01:30:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2022-11-22 01:30:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:30:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:30:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-22 01:30:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-22 01:30:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2022-11-22 01:30:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2022-11-22 01:30:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2022-11-22 01:30:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2022-11-22 01:30:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2022-11-22 01:30:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2022-11-22 01:30:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:30:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:30:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-22 01:30:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-22 01:30:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2022-11-22 01:30:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2022-11-22 01:30:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:30:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:30:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2022-11-22 01:30:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2022-11-22 01:30:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:30:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:30:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2022-11-22 01:30:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2022-11-22 01:30:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:30:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:30:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2022-11-22 01:30:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2022-11-22 01:30:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:30:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:30:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-22 01:30:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-22 01:30:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-11-22 01:30:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-11-22 01:30:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-22 01:30:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-22 01:30:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2022-11-22 01:30:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2022-11-22 01:30:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:30:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:30:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2022-11-22 01:30:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2022-11-22 01:30:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:30:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:30:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:30:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:30:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:30:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:30:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:30:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2022-11-22 01:30:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2022-11-22 01:30:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-22 01:30:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-22 01:30:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2022-11-22 01:30:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2022-11-22 01:30:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2022-11-22 01:30:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2022-11-22 01:30:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:30:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:30:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 01:30:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 01:30:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-22 01:30:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-22 01:30:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-22 01:30:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-22 01:30:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-22 01:30:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-22 01:30:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2022-11-22 01:30:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2022-11-22 01:30:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-22 01:30:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-22 01:30:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:30:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:30:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2022-11-22 01:30:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2022-11-22 01:30:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 01:30:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 01:30:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:30:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:30:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:30:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 01:30:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 01:30:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 01:30:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 01:30:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:30:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:30:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:30:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:30:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-22 01:30:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-22 01:30:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:30:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2022-11-22 01:30:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2022-11-22 01:30:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 01:30:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 01:30:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2022-11-22 01:30:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2022-11-22 01:30:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-11-22 01:30:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-11-22 01:30:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2022-11-22 01:30:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2022-11-22 01:30:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-22 01:30:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-22 01:30:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2022-11-22 01:30:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2022-11-22 01:30:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:30:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:30:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2022-11-22 01:30:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2022-11-22 01:30:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2022-11-22 01:30:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2022-11-22 01:30:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:30:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:30:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2022-11-22 01:30:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2022-11-22 01:30:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:30:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:30:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2022-11-22 01:30:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2022-11-22 01:30:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2022-11-22 01:30:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2022-11-22 01:30:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:30:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:30:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:30:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2022-11-22 01:30:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2022-11-22 01:30:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 01:30:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 01:30:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2022-11-22 01:30:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2022-11-22 01:30:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-22 01:30:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-22 01:30:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2022-11-22 01:30:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2022-11-22 01:30:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:30:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:30:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-22 01:30:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-22 01:30:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2022-11-22 01:30:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2022-11-22 01:30:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2022-11-22 01:30:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2022-11-22 01:30:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2022-11-22 01:30:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2022-11-22 01:30:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-22 01:30:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-22 01:30:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:30:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:30:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 01:30:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 01:30:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:30:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:30:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-22 01:30:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-22 01:30:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:30:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:30:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 01:30:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 01:30:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:30:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:30:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-22 01:30:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-22 01:30:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:30:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:30:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:30:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2022-11-22 01:30:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2022-11-22 01:30:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:30:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:30:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-22 01:30:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-22 01:30:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-22 01:30:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-22 01:30:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 01:30:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 01:30:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:30:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 01:30:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 01:30:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-22 01:30:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-22 01:30:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-22 01:30:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-22 01:30:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-22 01:30:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-22 01:30:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:30:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:30:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2022-11-22 01:30:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2022-11-22 01:30:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2022-11-22 01:30:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2022-11-22 01:30:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:30:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:30:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:30:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:30:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 01:30:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 01:30:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2022-11-22 01:30:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2022-11-22 01:30:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:30:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:30:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 01:30:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 01:30:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:30:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:30:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:30:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:30:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:30:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2022-11-22 01:30:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2022-11-22 01:30:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:30:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:30:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-22 01:30:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-22 01:30:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2022-11-22 01:30:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-22 01:30:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-22 01:30:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2022-11-22 01:30:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2022-11-22 01:30:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2022-11-22 01:30:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2022-11-22 01:30:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2022-11-22 01:30:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2022-11-22 01:30:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2022-11-22 01:30:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2022-11-22 01:30:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2022-11-22 01:30:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2022-11-22 01:30:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-22 01:30:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-22 01:30:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 01:30:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 01:30:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2022-11-22 01:30:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2022-11-22 01:30:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2022-11-22 01:30:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2022-11-22 01:30:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-22 01:30:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-22 01:30:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2022-11-22 01:30:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2022-11-22 01:30:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-22 01:30:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-22 01:30:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-22 01:30:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-22 01:30:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:30:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:30:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-22 01:30:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-22 01:30:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:30:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:30:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-22 01:30:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-22 01:30:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:30:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:30:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:30:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:30:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2022-11-22 01:30:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2022-11-22 01:30:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:30:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:30:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:30:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:30:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:30:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:30:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2022-11-22 01:30:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2022-11-22 01:30:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2022-11-22 01:30:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2022-11-22 01:30:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-11-22 01:30:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-11-22 01:30:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2022-11-22 01:30:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2022-11-22 01:30:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2022-11-22 01:30:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2022-11-22 01:30:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:30:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:30:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:30:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:30:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2022-11-22 01:30:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2022-11-22 01:30:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:30:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:30:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-11-22 01:30:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-11-22 01:30:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:30:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:30:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:30:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:30:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-22 01:30:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-22 01:30:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:30:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-22 01:30:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-22 01:30:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2022-11-22 01:30:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2022-11-22 01:30:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2022-11-22 01:30:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2022-11-22 01:30:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2022-11-22 01:30:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2022-11-22 01:30:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 01:30:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 01:30:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:30:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-22 01:30:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-22 01:30:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:30:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:30:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:30:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-22 01:30:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-22 01:30:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2022-11-22 01:30:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2022-11-22 01:30:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 01:30:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 01:30:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2022-11-22 01:30:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2022-11-22 01:30:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2022-11-22 01:30:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2022-11-22 01:30:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-11-22 01:30:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-11-22 01:30:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:30:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:30:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:30:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:30:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:30:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:30:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:30:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:30:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2022-11-22 01:30:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2022-11-22 01:30:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:30:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:30:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 01:30:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 01:30:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 01:30:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 01:30:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:30:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:30:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2022-11-22 01:30:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2022-11-22 01:30:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-22 01:30:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-22 01:30:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2022-11-22 01:30:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2022-11-22 01:30:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-22 01:30:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-22 01:30:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:30:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:30:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:30:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:30:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2022-11-22 01:30:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2022-11-22 01:30:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2022-11-22 01:30:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2022-11-22 01:30:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:30:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:30:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:30:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:30:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2022-11-22 01:30:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2022-11-22 01:30:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:30:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:30:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-22 01:30:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-22 01:30:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-22 01:30:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-22 01:30:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:30:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:30:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-22 01:30:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-22 01:30:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-22 01:30:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2022-11-22 01:30:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2022-11-22 01:30:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:30:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:30:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:30:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:30:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:30:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-22 01:30:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-22 01:30:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2022-11-22 01:30:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2022-11-22 01:30:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:30:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:30:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-22 01:30:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-22 01:30:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-22 01:30:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-22 01:30:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-22 01:30:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-22 01:30:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2022-11-22 01:30:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2022-11-22 01:30:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2022-11-22 01:30:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2022-11-22 01:30:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2022-11-22 01:30:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2022-11-22 01:30:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-22 01:30:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-22 01:30:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:30:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-11-22 01:30:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2022-11-22 01:30:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:30:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:30:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:30:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:30:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:30:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:30:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2022-11-22 01:30:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2022-11-22 01:30:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:30:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:30:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2022-11-22 01:30:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2022-11-22 01:30:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:30:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:30:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:30:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:30:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2022-11-22 01:30:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2022-11-22 01:30:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-22 01:30:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-22 01:30:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-11-22 01:30:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-11-22 01:30:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:30:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:30:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2022-11-22 01:30:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2022-11-22 01:30:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2022-11-22 01:30:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2022-11-22 01:30:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:30:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:30:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2022-11-22 01:30:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2022-11-22 01:30:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:30:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:30:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:30:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:30:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2022-11-22 01:30:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2022-11-22 01:30:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2022-11-22 01:30:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2022-11-22 01:30:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:30:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:30:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2022-11-22 01:30:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2022-11-22 01:30:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:30:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:30:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2022-11-22 01:30:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2022-11-22 01:30:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2022-11-22 01:30:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2022-11-22 01:30:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-22 01:30:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-22 01:30:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 01:30:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 01:30:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2022-11-22 01:30:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2022-11-22 01:30:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-22 01:30:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-22 01:30:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2022-11-22 01:30:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2022-11-22 01:30:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2022-11-22 01:30:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2022-11-22 01:30:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-22 01:30:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-22 01:30:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-22 01:30:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-22 01:30:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 01:30:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 01:30:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-11-22 01:30:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-11-22 01:30:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2022-11-22 01:30:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2022-11-22 01:30:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:30:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:30:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:30:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:30:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2022-11-22 01:30:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2022-11-22 01:30:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:30:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:30:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2022-11-22 01:30:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2022-11-22 01:30:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:30:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:30:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:30:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-22 01:30:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-22 01:30:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-11-22 01:30:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-11-22 01:30:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-22 01:30:54,079 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:30:54,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:31:10,514 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:31:40,862 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:31:44,709 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:31:44,709 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-22 01:31:44,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:31:44 BoogieIcfgContainer [2022-11-22 01:31:44,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:31:44,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:31:44,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:31:44,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:31:44,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:30:38" (1/3) ... [2022-11-22 01:31:44,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a825c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:31:44, skipping insertion in model container [2022-11-22 01:31:44,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:48" (2/3) ... [2022-11-22 01:31:44,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a825c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:31:44, skipping insertion in model container [2022-11-22 01:31:44,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:31:44" (3/3) ... [2022-11-22 01:31:44,728 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-22 01:31:44,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:31:44,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-22 01:31:44,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:31:44,863 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;@42f6b1a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:31:44,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-22 01:31:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2022-11-22 01:31:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-22 01:31:44,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:31:44,892 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:31:44,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:31:44,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:31:44,898 INFO L85 PathProgramCache]: Analyzing trace with hash 245292094, now seen corresponding path program 1 times [2022-11-22 01:31:44,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:31:44,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433449560] [2022-11-22 01:31:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:31:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:31:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:31:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:31:45,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:31:45,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433449560] [2022-11-22 01:31:45,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433449560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:31:45,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:31:45,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:31:45,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336323671] [2022-11-22 01:31:45,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:31:45,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:31:45,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:31:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:31:45,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:31:45,941 INFO L87 Difference]: Start difference. First operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:31:49,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:51,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:53,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:02,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:32:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:32:06,720 INFO L93 Difference]: Finished difference Result 9906 states and 14710 transitions. [2022-11-22 01:32:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:32:06,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-22 01:32:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:32:06,784 INFO L225 Difference]: With dead ends: 9906 [2022-11-22 01:32:06,785 INFO L226 Difference]: Without dead ends: 6519 [2022-11-22 01:32:06,821 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 [2022-11-22 01:32:06,824 INFO L413 NwaCegarLoop]: 5346 mSDtfsCounter, 4489 mSDsluCounter, 9519 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4495 SdHoareTripleChecker+Valid, 14865 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:32:06,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4495 Valid, 14865 Invalid, 1757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1752 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-11-22 01:32:06,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2022-11-22 01:32:07,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6329. [2022-11-22 01:32:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6329 states, 3809 states have (on average 1.294040430559202) internal successors, (4929), 3984 states have internal predecessors, (4929), 2010 states have call successors, (2010), 476 states have call predecessors, (2010), 474 states have return successors, (2067), 1986 states have call predecessors, (2067), 2008 states have call successors, (2067) [2022-11-22 01:32:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 9006 transitions. [2022-11-22 01:32:07,298 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 9006 transitions. Word has length 38 [2022-11-22 01:32:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:32:07,300 INFO L495 AbstractCegarLoop]: Abstraction has 6329 states and 9006 transitions. [2022-11-22 01:32:07,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:32:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 9006 transitions. [2022-11-22 01:32:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-22 01:32:07,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:32:07,310 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:32:07,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:32:07,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:32:07,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:32:07,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1876747648, now seen corresponding path program 1 times [2022-11-22 01:32:07,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:32:07,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332019260] [2022-11-22 01:32:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:32:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:32:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:32:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:32:07,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:32:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332019260] [2022-11-22 01:32:07,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332019260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:32:07,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:32:07,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:32:07,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534612503] [2022-11-22 01:32:07,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:32:07,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:32:07,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:32:07,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:32:07,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:32:07,816 INFO L87 Difference]: Start difference. First operand 6329 states and 9006 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:32:10,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:13,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:15,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:22,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:32:26,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:32:26,037 INFO L93 Difference]: Finished difference Result 12527 states and 18028 transitions. [2022-11-22 01:32:26,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:32:26,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-22 01:32:26,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:32:26,128 INFO L225 Difference]: With dead ends: 12527 [2022-11-22 01:32:26,128 INFO L226 Difference]: Without dead ends: 12525 [2022-11-22 01:32:26,137 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 [2022-11-22 01:32:26,138 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 4536 mSDsluCounter, 9351 mSDsCounter, 0 mSdLazyCounter, 1715 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 14577 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1715 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:32:26,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4547 Valid, 14577 Invalid, 1722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1715 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2022-11-22 01:32:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12525 states. [2022-11-22 01:32:26,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12525 to 12329. [2022-11-22 01:32:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12329 states, 7424 states have (on average 1.2952586206896552) internal successors, (9616), 7740 states have internal predecessors, (9616), 3938 states have call successors, (3938), 934 states have call predecessors, (3938), 931 states have return successors, (4270), 3886 states have call predecessors, (4270), 3936 states have call successors, (4270) [2022-11-22 01:32:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12329 states to 12329 states and 17824 transitions. [2022-11-22 01:32:26,817 INFO L78 Accepts]: Start accepts. Automaton has 12329 states and 17824 transitions. Word has length 43 [2022-11-22 01:32:26,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:32:26,818 INFO L495 AbstractCegarLoop]: Abstraction has 12329 states and 17824 transitions. [2022-11-22 01:32:26,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:32:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 12329 states and 17824 transitions. [2022-11-22 01:32:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-22 01:32:26,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:32:26,825 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:32:26,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:32:26,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:32:26,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:32:26,828 INFO L85 PathProgramCache]: Analyzing trace with hash -863536151, now seen corresponding path program 1 times [2022-11-22 01:32:26,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:32:26,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737305943] [2022-11-22 01:32:26,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:32:26,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:32:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:32:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:32:27,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:32:27,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737305943] [2022-11-22 01:32:27,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737305943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:32:27,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:32:27,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:32:27,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79770261] [2022-11-22 01:32:27,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:32:27,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:32:27,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:32:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:32:27,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:32:27,314 INFO L87 Difference]: Start difference. First operand 12329 states and 17824 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:32:30,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:33,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:35,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:44,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:32:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:32:46,287 INFO L93 Difference]: Finished difference Result 19964 states and 28499 transitions. [2022-11-22 01:32:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:32:46,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-11-22 01:32:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:32:46,413 INFO L225 Difference]: With dead ends: 19964 [2022-11-22 01:32:46,414 INFO L226 Difference]: Without dead ends: 19962 [2022-11-22 01:32:46,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:32:46,429 INFO L413 NwaCegarLoop]: 4980 mSDtfsCounter, 4508 mSDsluCounter, 12526 mSDsCounter, 0 mSdLazyCounter, 2187 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4518 SdHoareTripleChecker+Valid, 17506 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2187 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:32:46,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4518 Valid, 17506 Invalid, 2193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2187 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2022-11-22 01:32:46,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19962 states. [2022-11-22 01:32:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19962 to 19728. [2022-11-22 01:32:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19728 states, 11696 states have (on average 1.278813269493844) internal successors, (14957), 12198 states have internal predecessors, (14957), 6308 states have call successors, (6308), 1693 states have call predecessors, (6308), 1689 states have return successors, (6982), 6212 states have call predecessors, (6982), 6306 states have call successors, (6982) [2022-11-22 01:32:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19728 states to 19728 states and 28247 transitions. [2022-11-22 01:32:47,837 INFO L78 Accepts]: Start accepts. Automaton has 19728 states and 28247 transitions. Word has length 43 [2022-11-22 01:32:47,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:32:47,838 INFO L495 AbstractCegarLoop]: Abstraction has 19728 states and 28247 transitions. [2022-11-22 01:32:47,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:32:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 19728 states and 28247 transitions. [2022-11-22 01:32:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-22 01:32:47,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:32:47,841 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:32:47,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:32:47,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:32:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:32:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1235519688, now seen corresponding path program 1 times [2022-11-22 01:32:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:32:47,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096538589] [2022-11-22 01:32:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:32:47,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:32:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:32:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:32:48,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:32:48,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096538589] [2022-11-22 01:32:48,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096538589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:32:48,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:32:48,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:32:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916127458] [2022-11-22 01:32:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:32:48,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:32:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:32:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:32:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:32:48,398 INFO L87 Difference]: Start difference. First operand 19728 states and 28247 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-22 01:32:51,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:53,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:55,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:01,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:33:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:33:03,149 INFO L93 Difference]: Finished difference Result 20264 states and 28889 transitions. [2022-11-22 01:33:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:33:03,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 48 [2022-11-22 01:33:03,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:33:03,259 INFO L225 Difference]: With dead ends: 20264 [2022-11-22 01:33:03,259 INFO L226 Difference]: Without dead ends: 20262 [2022-11-22 01:33:03,274 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 [2022-11-22 01:33:03,275 INFO L413 NwaCegarLoop]: 4459 mSDtfsCounter, 4501 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:33:03,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 9628 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1347 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-11-22 01:33:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20262 states. [2022-11-22 01:33:04,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20262 to 20256. [2022-11-22 01:33:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20256 states, 11992 states have (on average 1.276184122748499) internal successors, (15304), 12501 states have internal predecessors, (15304), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-22 01:33:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20256 states to 20256 states and 28884 transitions. [2022-11-22 01:33:04,545 INFO L78 Accepts]: Start accepts. Automaton has 20256 states and 28884 transitions. Word has length 48 [2022-11-22 01:33:04,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:33:04,546 INFO L495 AbstractCegarLoop]: Abstraction has 20256 states and 28884 transitions. [2022-11-22 01:33:04,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-22 01:33:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20256 states and 28884 transitions. [2022-11-22 01:33:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-22 01:33:04,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:33:04,548 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:33:04,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:33:04,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:33:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:33:04,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1569311446, now seen corresponding path program 1 times [2022-11-22 01:33:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:33:04,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786683191] [2022-11-22 01:33:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:33:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:33:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:33:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:33:04,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:33:04,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786683191] [2022-11-22 01:33:04,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786683191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:33:04,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:33:04,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:33:04,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022468370] [2022-11-22 01:33:04,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:33:04,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:33:04,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:33:04,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:33:04,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:33:04,912 INFO L87 Difference]: Start difference. First operand 20256 states and 28884 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:33:07,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:10,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:12,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:19,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:33:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:33:20,573 INFO L93 Difference]: Finished difference Result 20262 states and 28887 transitions. [2022-11-22 01:33:20,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:33:20,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 53 [2022-11-22 01:33:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:33:20,672 INFO L225 Difference]: With dead ends: 20262 [2022-11-22 01:33:20,672 INFO L226 Difference]: Without dead ends: 20260 [2022-11-22 01:33:20,686 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 [2022-11-22 01:33:20,687 INFO L413 NwaCegarLoop]: 4458 mSDtfsCounter, 4499 mSDsluCounter, 5168 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4510 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:33:20,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4510 Valid, 9626 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2022-11-22 01:33:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20260 states. [2022-11-22 01:33:21,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20260 to 20254. [2022-11-22 01:33:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20254 states, 11991 states have (on average 1.2761237594862813) internal successors, (15302), 12499 states have internal predecessors, (15302), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-22 01:33:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20254 states to 20254 states and 28882 transitions. [2022-11-22 01:33:21,898 INFO L78 Accepts]: Start accepts. Automaton has 20254 states and 28882 transitions. Word has length 53 [2022-11-22 01:33:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:33:21,899 INFO L495 AbstractCegarLoop]: Abstraction has 20254 states and 28882 transitions. [2022-11-22 01:33:21,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-22 01:33:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 20254 states and 28882 transitions. [2022-11-22 01:33:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-22 01:33:21,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:33:21,901 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:33:21,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:33:21,901 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:33:21,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:33:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash 652060298, now seen corresponding path program 1 times [2022-11-22 01:33:21,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:33:21,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330276345] [2022-11-22 01:33:21,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:33:21,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:33:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:33:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-22 01:33:22,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:33:22,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330276345] [2022-11-22 01:33:22,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330276345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:33:22,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:33:22,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:33:22,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001406024] [2022-11-22 01:33:22,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:33:22,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:33:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:33:22,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:33:22,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:33:22,289 INFO L87 Difference]: Start difference. First operand 20254 states and 28882 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-22 01:33:25,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:27,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:29,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:31,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:33:38,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:33:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:33:40,626 INFO L93 Difference]: Finished difference Result 20260 states and 28885 transitions. [2022-11-22 01:33:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:33:40,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 53 [2022-11-22 01:33:40,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:33:40,717 INFO L225 Difference]: With dead ends: 20260 [2022-11-22 01:33:40,717 INFO L226 Difference]: Without dead ends: 20258 [2022-11-22 01:33:40,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:33:40,729 INFO L413 NwaCegarLoop]: 4453 mSDtfsCounter, 4497 mSDsluCounter, 9613 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 14066 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:33:40,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 14066 Invalid, 1964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1960 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2022-11-22 01:33:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20258 states. [2022-11-22 01:33:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20258 to 20252. [2022-11-22 01:33:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20252 states, 11990 states have (on average 1.2754795663052543) internal successors, (15293), 12497 states have internal predecessors, (15293), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-22 01:33:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20252 states to 20252 states and 28873 transitions. [2022-11-22 01:33:41,849 INFO L78 Accepts]: Start accepts. Automaton has 20252 states and 28873 transitions. Word has length 53 [2022-11-22 01:33:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:33:41,850 INFO L495 AbstractCegarLoop]: Abstraction has 20252 states and 28873 transitions. [2022-11-22 01:33:41,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-22 01:33:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 20252 states and 28873 transitions. [2022-11-22 01:33:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 01:33:41,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:33:41,851 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:33:41,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:33:41,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:33:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:33:41,852 INFO L85 PathProgramCache]: Analyzing trace with hash 137908485, now seen corresponding path program 1 times [2022-11-22 01:33:41,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:33:41,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453972416] [2022-11-22 01:33:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:33:41,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:33:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:33:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:33:42,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:33:42,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453972416] [2022-11-22 01:33:42,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453972416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:33:42,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:33:42,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:33:42,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499175780] [2022-11-22 01:33:42,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:33:42,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:33:42,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:33:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:33:42,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:33:42,787 INFO L87 Difference]: Start difference. First operand 20252 states and 28873 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-22 01:33:46,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:48,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:51,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:02,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:34:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:04,723 INFO L93 Difference]: Finished difference Result 27454 states and 38722 transitions. [2022-11-22 01:34:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:34:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2022-11-22 01:34:04,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:04,851 INFO L225 Difference]: With dead ends: 27454 [2022-11-22 01:34:04,851 INFO L226 Difference]: Without dead ends: 27144 [2022-11-22 01:34:04,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:34:04,867 INFO L413 NwaCegarLoop]: 4729 mSDtfsCounter, 4226 mSDsluCounter, 16722 mSDsCounter, 0 mSdLazyCounter, 2764 mSolverCounterSat, 52 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4234 SdHoareTripleChecker+Valid, 21451 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2764 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:04,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4234 Valid, 21451 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 2764 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2022-11-22 01:34:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27144 states. [2022-11-22 01:34:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27144 to 19616. [2022-11-22 01:34:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19616 states, 11634 states have (on average 1.2753137356025444) internal successors, (14837), 12117 states have internal predecessors, (14837), 6179 states have call successors, (6179), 1773 states have call predecessors, (6179), 1771 states have return successors, (6823), 6079 states have call predecessors, (6823), 6177 states have call successors, (6823) [2022-11-22 01:34:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19616 states to 19616 states and 27839 transitions. [2022-11-22 01:34:06,273 INFO L78 Accepts]: Start accepts. Automaton has 19616 states and 27839 transitions. Word has length 56 [2022-11-22 01:34:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:06,273 INFO L495 AbstractCegarLoop]: Abstraction has 19616 states and 27839 transitions. [2022-11-22 01:34:06,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-22 01:34:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 19616 states and 27839 transitions. [2022-11-22 01:34:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 01:34:06,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:06,275 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:34:06,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:34:06,275 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:34:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1750815864, now seen corresponding path program 1 times [2022-11-22 01:34:06,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:06,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937343345] [2022-11-22 01:34:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:06,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:06,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937343345] [2022-11-22 01:34:06,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937343345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:06,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:06,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428303545] [2022-11-22 01:34:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:06,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:06,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:06,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:06,610 INFO L87 Difference]: Start difference. First operand 19616 states and 27839 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-22 01:34:09,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:12,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:14,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:21,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:34:23,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:23,436 INFO L93 Difference]: Finished difference Result 27154 states and 38387 transitions. [2022-11-22 01:34:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:34:23,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 58 [2022-11-22 01:34:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:23,555 INFO L225 Difference]: With dead ends: 27154 [2022-11-22 01:34:23,556 INFO L226 Difference]: Without dead ends: 27152 [2022-11-22 01:34:23,572 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 [2022-11-22 01:34:23,572 INFO L413 NwaCegarLoop]: 5132 mSDtfsCounter, 4495 mSDsluCounter, 7694 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 12826 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:23,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 12826 Invalid, 1664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1658 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2022-11-22 01:34:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27152 states. [2022-11-22 01:34:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27152 to 26992. [2022-11-22 01:34:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26992 states, 15891 states have (on average 1.2684538417972437) internal successors, (20157), 16552 states have internal predecessors, (20157), 8541 states have call successors, (8541), 2532 states have call predecessors, (8541), 2528 states have return successors, (9525), 8401 states have call predecessors, (9525), 8539 states have call successors, (9525) [2022-11-22 01:34:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26992 states to 26992 states and 38223 transitions. [2022-11-22 01:34:25,300 INFO L78 Accepts]: Start accepts. Automaton has 26992 states and 38223 transitions. Word has length 58 [2022-11-22 01:34:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:25,300 INFO L495 AbstractCegarLoop]: Abstraction has 26992 states and 38223 transitions. [2022-11-22 01:34:25,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-22 01:34:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26992 states and 38223 transitions. [2022-11-22 01:34:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 01:34:25,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:25,302 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-11-22 01:34:25,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:34:25,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:34:25,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash -88932903, now seen corresponding path program 1 times [2022-11-22 01:34:25,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:25,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769152562] [2022-11-22 01:34:25,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:34:25,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:25,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769152562] [2022-11-22 01:34:25,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769152562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:25,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:25,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:25,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821597898] [2022-11-22 01:34:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:25,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:25,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:25,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:25,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:25,633 INFO L87 Difference]: Start difference. First operand 26992 states and 38223 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-22 01:34:28,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:30,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:33,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:40,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:34:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:42,810 INFO L93 Difference]: Finished difference Result 27022 states and 38258 transitions. [2022-11-22 01:34:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:42,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 61 [2022-11-22 01:34:42,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:42,933 INFO L225 Difference]: With dead ends: 27022 [2022-11-22 01:34:42,933 INFO L226 Difference]: Without dead ends: 27020 [2022-11-22 01:34:42,946 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 [2022-11-22 01:34:42,946 INFO L413 NwaCegarLoop]: 4456 mSDtfsCounter, 4490 mSDsluCounter, 5165 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9621 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:42,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4499 Valid, 9621 Invalid, 1351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1347 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2022-11-22 01:34:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27020 states. [2022-11-22 01:34:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27020 to 26990. [2022-11-22 01:34:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26990 states, 15890 states have (on average 1.2677155443675268) internal successors, (20144), 16550 states have internal predecessors, (20144), 8541 states have call successors, (8541), 2532 states have call predecessors, (8541), 2528 states have return successors, (9525), 8401 states have call predecessors, (9525), 8539 states have call successors, (9525) [2022-11-22 01:34:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26990 states to 26990 states and 38210 transitions. [2022-11-22 01:34:44,758 INFO L78 Accepts]: Start accepts. Automaton has 26990 states and 38210 transitions. Word has length 61 [2022-11-22 01:34:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:44,760 INFO L495 AbstractCegarLoop]: Abstraction has 26990 states and 38210 transitions. [2022-11-22 01:34:44,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-22 01:34:44,761 INFO L276 IsEmpty]: Start isEmpty. Operand 26990 states and 38210 transitions. [2022-11-22 01:34:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-22 01:34:44,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:44,768 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:34:44,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:34:44,769 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:34:44,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1289264373, now seen corresponding path program 1 times [2022-11-22 01:34:44,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:44,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955781043] [2022-11-22 01:34:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:44,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:45,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:45,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955781043] [2022-11-22 01:34:45,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955781043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:45,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:45,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:45,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475877619] [2022-11-22 01:34:45,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:45,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:45,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:45,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:45,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:45,315 INFO L87 Difference]: Start difference. First operand 26990 states and 38210 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-22 01:34:48,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:50,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:52,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:00,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:01,701 INFO L93 Difference]: Finished difference Result 26996 states and 38213 transitions. [2022-11-22 01:35:01,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:01,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 63 [2022-11-22 01:35:01,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:01,796 INFO L225 Difference]: With dead ends: 26996 [2022-11-22 01:35:01,796 INFO L226 Difference]: Without dead ends: 26994 [2022-11-22 01:35:01,813 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 [2022-11-22 01:35:01,813 INFO L413 NwaCegarLoop]: 4452 mSDtfsCounter, 4491 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 9614 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:01,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 9614 Invalid, 1349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2022-11-22 01:35:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26994 states. [2022-11-22 01:35:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26994 to 26988. [2022-11-22 01:35:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26988 states, 15889 states have (on average 1.267669456856945) internal successors, (20142), 16548 states have internal predecessors, (20142), 8541 states have call successors, (8541), 2532 states have call predecessors, (8541), 2528 states have return successors, (9525), 8401 states have call predecessors, (9525), 8539 states have call successors, (9525) [2022-11-22 01:35:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26988 states to 26988 states and 38208 transitions. [2022-11-22 01:35:03,447 INFO L78 Accepts]: Start accepts. Automaton has 26988 states and 38208 transitions. Word has length 63 [2022-11-22 01:35:03,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:03,447 INFO L495 AbstractCegarLoop]: Abstraction has 26988 states and 38208 transitions. [2022-11-22 01:35:03,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-22 01:35:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 26988 states and 38208 transitions. [2022-11-22 01:35:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-22 01:35:03,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:03,449 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:35:03,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:35:03,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:35:03,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -335403048, now seen corresponding path program 1 times [2022-11-22 01:35:03,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:03,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221720879] [2022-11-22 01:35:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:35:03,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:03,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221720879] [2022-11-22 01:35:03,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221720879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:03,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:03,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:35:03,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230511113] [2022-11-22 01:35:03,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:03,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:35:03,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:03,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:35:03,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:03,888 INFO L87 Difference]: Start difference. First operand 26988 states and 38208 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-22 01:35:06,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:09,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:11,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:18,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:20,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:21,683 INFO L93 Difference]: Finished difference Result 27117 states and 38343 transitions. [2022-11-22 01:35:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:21,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 68 [2022-11-22 01:35:21,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:21,762 INFO L225 Difference]: With dead ends: 27117 [2022-11-22 01:35:21,762 INFO L226 Difference]: Without dead ends: 27115 [2022-11-22 01:35:21,774 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 [2022-11-22 01:35:21,775 INFO L413 NwaCegarLoop]: 4296 mSDtfsCounter, 4523 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4533 SdHoareTripleChecker+Valid, 9227 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:21,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4533 Valid, 9227 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1256 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-11-22 01:35:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27115 states. [2022-11-22 01:35:23,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27115 to 27109. [2022-11-22 01:35:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27109 states, 15953 states have (on average 1.266971729455275) internal successors, (20212), 16611 states have internal predecessors, (20212), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-22 01:35:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27109 states to 27109 states and 38338 transitions. [2022-11-22 01:35:23,332 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 38338 transitions. Word has length 68 [2022-11-22 01:35:23,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:23,332 INFO L495 AbstractCegarLoop]: Abstraction has 27109 states and 38338 transitions. [2022-11-22 01:35:23,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-22 01:35:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 38338 transitions. [2022-11-22 01:35:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 01:35:23,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:23,334 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:35:23,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:35:23,334 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:35:23,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash 522965463, now seen corresponding path program 1 times [2022-11-22 01:35:23,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:23,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197804692] [2022-11-22 01:35:23,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:23,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:35:23,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:23,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197804692] [2022-11-22 01:35:23,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197804692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:23,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:23,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:35:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244917226] [2022-11-22 01:35:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:23,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:35:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:23,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:35:23,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:23,637 INFO L87 Difference]: Start difference. First operand 27109 states and 38338 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-22 01:35:26,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:28,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:31,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:33,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:38,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:39,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:39,994 INFO L93 Difference]: Finished difference Result 27115 states and 38341 transitions. [2022-11-22 01:35:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:39,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 73 [2022-11-22 01:35:39,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:40,072 INFO L225 Difference]: With dead ends: 27115 [2022-11-22 01:35:40,072 INFO L226 Difference]: Without dead ends: 27113 [2022-11-22 01:35:40,086 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 [2022-11-22 01:35:40,087 INFO L413 NwaCegarLoop]: 4306 mSDtfsCounter, 4489 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:40,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 9318 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-22 01:35:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27113 states. [2022-11-22 01:35:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27113 to 27107. [2022-11-22 01:35:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27107 states, 15952 states have (on average 1.266925777331996) internal successors, (20210), 16609 states have internal predecessors, (20210), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-22 01:35:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27107 states to 27107 states and 38336 transitions. [2022-11-22 01:35:41,792 INFO L78 Accepts]: Start accepts. Automaton has 27107 states and 38336 transitions. Word has length 73 [2022-11-22 01:35:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:41,793 INFO L495 AbstractCegarLoop]: Abstraction has 27107 states and 38336 transitions. [2022-11-22 01:35:41,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-22 01:35:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27107 states and 38336 transitions. [2022-11-22 01:35:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 01:35:41,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:41,795 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:35:41,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:35:41,795 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:35:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:41,796 INFO L85 PathProgramCache]: Analyzing trace with hash 58864666, now seen corresponding path program 1 times [2022-11-22 01:35:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:41,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994362365] [2022-11-22 01:35:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:35:42,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:42,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994362365] [2022-11-22 01:35:42,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994362365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:42,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:42,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:35:42,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73022880] [2022-11-22 01:35:42,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:42,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:35:42,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:42,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:35:42,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:42,091 INFO L87 Difference]: Start difference. First operand 27107 states and 38336 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, (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) [2022-11-22 01:35:44,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:47,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:49,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:56,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:57,748 INFO L93 Difference]: Finished difference Result 27113 states and 38339 transitions. [2022-11-22 01:35:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:57,749 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, (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 75 [2022-11-22 01:35:57,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:57,824 INFO L225 Difference]: With dead ends: 27113 [2022-11-22 01:35:57,825 INFO L226 Difference]: Without dead ends: 27111 [2022-11-22 01:35:57,836 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 [2022-11-22 01:35:57,836 INFO L413 NwaCegarLoop]: 4446 mSDtfsCounter, 4481 mSDsluCounter, 5156 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4492 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:57,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4492 Valid, 9602 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 13.7s Time] [2022-11-22 01:35:57,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27111 states. [2022-11-22 01:35:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27111 to 27105. [2022-11-22 01:35:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27105 states, 15951 states have (on average 1.2668798194470565) internal successors, (20208), 16607 states have internal predecessors, (20208), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-22 01:35:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27105 states to 27105 states and 38334 transitions. [2022-11-22 01:35:59,645 INFO L78 Accepts]: Start accepts. Automaton has 27105 states and 38334 transitions. Word has length 75 [2022-11-22 01:35:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:59,646 INFO L495 AbstractCegarLoop]: Abstraction has 27105 states and 38334 transitions. [2022-11-22 01:35:59,646 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, (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) [2022-11-22 01:35:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 27105 states and 38334 transitions. [2022-11-22 01:35:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 01:35:59,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:59,648 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:35:59,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:35:59,648 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:35:59,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:59,648 INFO L85 PathProgramCache]: Analyzing trace with hash 517490159, now seen corresponding path program 1 times [2022-11-22 01:35:59,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:59,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356760386] [2022-11-22 01:35:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-22 01:35:59,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:59,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356760386] [2022-11-22 01:35:59,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356760386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:59,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:59,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:35:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696461202] [2022-11-22 01:35:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:59,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:35:59,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:35:59,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:59,901 INFO L87 Difference]: Start difference. First operand 27105 states and 38334 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:36:02,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:05,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:07,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:09,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:36:14,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:36:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:36:15,952 INFO L93 Difference]: Finished difference Result 49049 states and 68911 transitions. [2022-11-22 01:36:15,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:36:15,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2022-11-22 01:36:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:36:16,266 INFO L225 Difference]: With dead ends: 49049 [2022-11-22 01:36:16,266 INFO L226 Difference]: Without dead ends: 27109 [2022-11-22 01:36:16,378 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 [2022-11-22 01:36:16,378 INFO L413 NwaCegarLoop]: 4442 mSDtfsCounter, 4490 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4501 SdHoareTripleChecker+Valid, 5153 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:36:16,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4501 Valid, 5153 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 739 Invalid, 5 Unknown, 0 Unchecked, 13.9s Time] [2022-11-22 01:36:16,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27109 states. [2022-11-22 01:36:18,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27109 to 27079. [2022-11-22 01:36:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27079 states, 15926 states have (on average 1.2657917870149442) internal successors, (20159), 16581 states have internal predecessors, (20159), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-22 01:36:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27079 states to 27079 states and 38285 transitions. [2022-11-22 01:36:18,593 INFO L78 Accepts]: Start accepts. Automaton has 27079 states and 38285 transitions. Word has length 94 [2022-11-22 01:36:18,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:36:18,594 INFO L495 AbstractCegarLoop]: Abstraction has 27079 states and 38285 transitions. [2022-11-22 01:36:18,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:36:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27079 states and 38285 transitions. [2022-11-22 01:36:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 01:36:18,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:36:18,596 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-22 01:36:18,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:36:18,597 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:36:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:36:18,597 INFO L85 PathProgramCache]: Analyzing trace with hash 724400925, now seen corresponding path program 1 times [2022-11-22 01:36:18,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:36:18,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823700597] [2022-11-22 01:36:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:36:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:36:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:36:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-22 01:36:19,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:36:19,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823700597] [2022-11-22 01:36:19,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823700597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:36:19,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:36:19,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:36:19,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270414651] [2022-11-22 01:36:19,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:36:19,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:36:19,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:36:19,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:36:19,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:36:19,158 INFO L87 Difference]: Start difference. First operand 27079 states and 38285 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:36:22,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:24,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:26,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:28,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:36:39,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:36:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:36:42,194 INFO L93 Difference]: Finished difference Result 37836 states and 53483 transitions. [2022-11-22 01:36:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:36:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2022-11-22 01:36:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:36:42,347 INFO L225 Difference]: With dead ends: 37836 [2022-11-22 01:36:42,347 INFO L226 Difference]: Without dead ends: 37834 [2022-11-22 01:36:42,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:36:42,368 INFO L413 NwaCegarLoop]: 4908 mSDtfsCounter, 4380 mSDsluCounter, 12190 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4387 SdHoareTripleChecker+Valid, 17098 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:36:42,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4387 Valid, 17098 Invalid, 2277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2271 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2022-11-22 01:36:42,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37834 states. [2022-11-22 01:36:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37834 to 37592. [2022-11-22 01:36:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37592 states, 21985 states have (on average 1.2569479190357062) internal successors, (27634), 22912 states have internal predecessors, (27634), 11681 states have call successors, (11681), 3934 states have call predecessors, (11681), 3900 states have return successors, (13892), 11419 states have call predecessors, (13892), 11679 states have call successors, (13892) [2022-11-22 01:36:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37592 states to 37592 states and 53207 transitions. [2022-11-22 01:36:45,158 INFO L78 Accepts]: Start accepts. Automaton has 37592 states and 53207 transitions. Word has length 103 [2022-11-22 01:36:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:36:45,159 INFO L495 AbstractCegarLoop]: Abstraction has 37592 states and 53207 transitions. [2022-11-22 01:36:45,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:36:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 37592 states and 53207 transitions. [2022-11-22 01:36:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 01:36:45,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:36:45,162 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-11-22 01:36:45,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:36:45,162 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:36:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:36:45,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1817488947, now seen corresponding path program 1 times [2022-11-22 01:36:45,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:36:45,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454079324] [2022-11-22 01:36:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:36:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:36:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:36:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:36:46,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:36:46,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454079324] [2022-11-22 01:36:46,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454079324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:36:46,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:36:46,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:36:46,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469047961] [2022-11-22 01:36:46,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:36:46,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:36:46,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:36:46,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:36:46,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:36:46,333 INFO L87 Difference]: Start difference. First operand 37592 states and 53207 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-22 01:36:50,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:53,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:06,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:37:14,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:37:19,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:19,104 INFO L93 Difference]: Finished difference Result 80600 states and 113624 transitions. [2022-11-22 01:37:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:37:19,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 78 [2022-11-22 01:37:19,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:19,314 INFO L225 Difference]: With dead ends: 80600 [2022-11-22 01:37:19,314 INFO L226 Difference]: Without dead ends: 57970 [2022-11-22 01:37:19,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:37:19,401 INFO L413 NwaCegarLoop]: 4889 mSDtfsCounter, 4667 mSDsluCounter, 21864 mSDsCounter, 0 mSdLazyCounter, 3676 mSolverCounterSat, 221 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4685 SdHoareTripleChecker+Valid, 26753 SdHoareTripleChecker+Invalid, 3902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3676 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:19,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4685 Valid, 26753 Invalid, 3902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [221 Valid, 3676 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2022-11-22 01:37:19,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57970 states. [2022-11-22 01:37:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57970 to 57564. [2022-11-22 01:37:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57564 states, 33533 states have (on average 1.252437896996988) internal successors, (41998), 34948 states have internal predecessors, (41998), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21406), 17367 states have call predecessors, (21406), 17785 states have call successors, (21406) [2022-11-22 01:37:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57564 states to 57564 states and 81191 transitions. [2022-11-22 01:37:24,165 INFO L78 Accepts]: Start accepts. Automaton has 57564 states and 81191 transitions. Word has length 78 [2022-11-22 01:37:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:24,165 INFO L495 AbstractCegarLoop]: Abstraction has 57564 states and 81191 transitions. [2022-11-22 01:37:24,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-22 01:37:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 57564 states and 81191 transitions. [2022-11-22 01:37:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:37:24,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:24,167 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:37:24,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:37:24,167 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:37:24,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash 787822219, now seen corresponding path program 1 times [2022-11-22 01:37:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:24,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765842854] [2022-11-22 01:37:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:37:24,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:24,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765842854] [2022-11-22 01:37:24,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765842854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:24,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:24,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:37:24,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411457489] [2022-11-22 01:37:24,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:24,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:37:24,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:24,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:37:24,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:37:24,471 INFO L87 Difference]: Start difference. First operand 57564 states and 81191 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-22 01:37:27,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:30,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:32,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:34,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:37:43,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:37:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:46,036 INFO L93 Difference]: Finished difference Result 57570 states and 81194 transitions. [2022-11-22 01:37:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:37:46,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 80 [2022-11-22 01:37:46,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:46,256 INFO L225 Difference]: With dead ends: 57570 [2022-11-22 01:37:46,257 INFO L226 Difference]: Without dead ends: 57568 [2022-11-22 01:37:46,279 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 [2022-11-22 01:37:46,279 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 4475 mSDsluCounter, 4968 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 9226 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:46,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 9226 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1255 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-11-22 01:37:46,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57568 states. [2022-11-22 01:37:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57568 to 57562. [2022-11-22 01:37:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57562 states, 33532 states have (on average 1.2524156030060838) internal successors, (41996), 34946 states have internal predecessors, (41996), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21406), 17367 states have call predecessors, (21406), 17785 states have call successors, (21406) [2022-11-22 01:37:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57562 states to 57562 states and 81189 transitions. [2022-11-22 01:37:52,306 INFO L78 Accepts]: Start accepts. Automaton has 57562 states and 81189 transitions. Word has length 80 [2022-11-22 01:37:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:52,307 INFO L495 AbstractCegarLoop]: Abstraction has 57562 states and 81189 transitions. [2022-11-22 01:37:52,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-22 01:37:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 57562 states and 81189 transitions. [2022-11-22 01:37:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 01:37:52,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:52,309 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 01:37:52,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:37:52,310 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 01:37:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1512818591, now seen corresponding path program 1 times [2022-11-22 01:37:52,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:52,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260475079] [2022-11-22 01:37:52,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:37:52,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:52,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260475079] [2022-11-22 01:37:52,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260475079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:52,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:52,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:37:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736366228] [2022-11-22 01:37:52,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:52,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:37:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:52,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:37:52,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:37:52,671 INFO L87 Difference]: Start difference. First operand 57562 states and 81189 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-22 01:37:56,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:58,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:00,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []