./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--scsi--sg.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7 --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 25874e59c1cc513c0df08f21d6ee454d422ce2eea441a446fa3179c403897e38 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:22:13,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:22:13,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:22:13,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:22:13,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:22:13,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:22:13,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:22:13,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:22:13,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:22:13,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:22:13,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:22:13,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:22:13,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:22:13,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:22:13,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:22:13,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:22:13,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:22:13,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:22:13,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:22:13,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:22:13,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:22:13,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:22:13,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:22:13,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:22:13,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:22:13,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:22:13,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:22:13,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:22:13,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:22:13,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:22:13,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:22:13,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:22:13,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:22:13,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:22:13,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:22:13,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:22:13,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:22:13,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:22:13,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:22:13,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:22:13,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:22:13,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:22:13,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:22:13,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:22:13,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:22:13,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:22:13,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:22:13,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:22:13,418 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:22:13,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:22:13,418 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:22:13,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:22:13,419 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:22:13,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:22:13,420 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:22:13,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:22:13,420 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:22:13,420 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:22:13,421 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:22:13,421 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:22:13,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:22:13,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:22:13,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:22:13,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:22:13,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:22:13,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:22:13,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:22:13,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:22:13,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:22:13,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:22:13,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:22:13,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:13,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:22:13,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:22:13,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:22:13,426 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:22:13,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:22:13,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:22:13,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:22:13,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:22:13,427 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25874e59c1cc513c0df08f21d6ee454d422ce2eea441a446fa3179c403897e38 [2021-11-25 20:22:13,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:22:13,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:22:13,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:22:13,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:22:13,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:22:13,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2021-11-25 20:22:13,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/data/1940e9197/f54ccfa8a4554f3699df471cce2bfcfe/FLAGed0998552 [2021-11-25 20:22:14,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:22:14,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2021-11-25 20:22:14,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/data/1940e9197/f54ccfa8a4554f3699df471cce2bfcfe/FLAGed0998552 [2021-11-25 20:22:15,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/data/1940e9197/f54ccfa8a4554f3699df471cce2bfcfe [2021-11-25 20:22:15,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:22:15,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:22:15,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:15,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:22:15,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:22:15,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:15" (1/1) ... [2021-11-25 20:22:15,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2142a146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:15, skipping insertion in model container [2021-11-25 20:22:15,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:15" (1/1) ... [2021-11-25 20:22:15,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:22:15,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:22:21,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625473,625486] [2021-11-25 20:22:21,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625618,625631] [2021-11-25 20:22:21,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625764,625777] [2021-11-25 20:22:21,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625929,625942] [2021-11-25 20:22:21,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626087,626100] [2021-11-25 20:22:21,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626245,626258] [2021-11-25 20:22:21,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626403,626416] [2021-11-25 20:22:21,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626563,626576] [2021-11-25 20:22:21,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626722,626735] [2021-11-25 20:22:21,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626861,626874] [2021-11-25 20:22:21,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627003,627016] [2021-11-25 20:22:21,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627152,627165] [2021-11-25 20:22:21,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627291,627304] [2021-11-25 20:22:21,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627446,627459] [2021-11-25 20:22:21,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627606,627619] [2021-11-25 20:22:21,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627757,627770] [2021-11-25 20:22:21,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627908,627921] [2021-11-25 20:22:21,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628060,628073] [2021-11-25 20:22:21,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628209,628222] [2021-11-25 20:22:21,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628357,628370] [2021-11-25 20:22:21,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628514,628527] [2021-11-25 20:22:21,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628663,628676] [2021-11-25 20:22:21,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628819,628832] [2021-11-25 20:22:21,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628972,628985] [2021-11-25 20:22:21,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629118,629131] [2021-11-25 20:22:21,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629261,629274] [2021-11-25 20:22:21,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629413,629426] [2021-11-25 20:22:21,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629559,629572] [2021-11-25 20:22:21,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629704,629717] [2021-11-25 20:22:21,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629858,629871] [2021-11-25 20:22:21,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630009,630022] [2021-11-25 20:22:21,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630164,630177] [2021-11-25 20:22:21,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630316,630329] [2021-11-25 20:22:21,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630471,630484] [2021-11-25 20:22:21,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630635,630648] [2021-11-25 20:22:21,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630791,630804] [2021-11-25 20:22:21,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630955,630968] [2021-11-25 20:22:21,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631097,631110] [2021-11-25 20:22:21,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631255,631268] [2021-11-25 20:22:21,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631422,631435] [2021-11-25 20:22:21,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631581,631594] [2021-11-25 20:22:21,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631740,631753] [2021-11-25 20:22:21,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631889,631902] [2021-11-25 20:22:21,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632036,632049] [2021-11-25 20:22:21,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632175,632188] [2021-11-25 20:22:21,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632338,632351] [2021-11-25 20:22:21,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632504,632517] [2021-11-25 20:22:21,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632668,632681] [2021-11-25 20:22:21,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632833,632846] [2021-11-25 20:22:21,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632998,633011] [2021-11-25 20:22:21,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633164,633177] [2021-11-25 20:22:21,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633329,633342] [2021-11-25 20:22:21,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633496,633509] [2021-11-25 20:22:21,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633656,633669] [2021-11-25 20:22:21,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633818,633831] [2021-11-25 20:22:21,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633977,633990] [2021-11-25 20:22:21,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634123,634136] [2021-11-25 20:22:21,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634266,634279] [2021-11-25 20:22:21,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634410,634423] [2021-11-25 20:22:21,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634553,634566] [2021-11-25 20:22:21,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634697,634710] [2021-11-25 20:22:21,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634838,634851] [2021-11-25 20:22:21,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634976,634989] [2021-11-25 20:22:21,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635134,635147] [2021-11-25 20:22:21,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635293,635306] [2021-11-25 20:22:21,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635449,635462] [2021-11-25 20:22:21,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635598,635611] [2021-11-25 20:22:21,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635750,635763] [2021-11-25 20:22:21,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635901,635914] [2021-11-25 20:22:21,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636050,636063] [2021-11-25 20:22:21,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636202,636215] [2021-11-25 20:22:21,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636350,636363] [2021-11-25 20:22:21,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636503,636516] [2021-11-25 20:22:21,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636654,636667] [2021-11-25 20:22:21,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636804,636817] [2021-11-25 20:22:21,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636951,636964] [2021-11-25 20:22:21,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637102,637115] [2021-11-25 20:22:21,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637253,637266] [2021-11-25 20:22:21,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637401,637414] [2021-11-25 20:22:21,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637567,637580] [2021-11-25 20:22:21,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637736,637749] [2021-11-25 20:22:21,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637903,637916] [2021-11-25 20:22:21,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638071,638084] [2021-11-25 20:22:21,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638221,638234] [2021-11-25 20:22:21,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638368,638381] [2021-11-25 20:22:21,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638529,638542] [2021-11-25 20:22:21,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638699,638712] [2021-11-25 20:22:21,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638861,638874] [2021-11-25 20:22:21,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:21,477 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:22:22,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625473,625486] [2021-11-25 20:22:22,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625618,625631] [2021-11-25 20:22:22,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625764,625777] [2021-11-25 20:22:22,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625929,625942] [2021-11-25 20:22:22,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626087,626100] [2021-11-25 20:22:22,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626245,626258] [2021-11-25 20:22:22,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626403,626416] [2021-11-25 20:22:22,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626563,626576] [2021-11-25 20:22:22,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626722,626735] [2021-11-25 20:22:22,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626861,626874] [2021-11-25 20:22:22,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627003,627016] [2021-11-25 20:22:22,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627152,627165] [2021-11-25 20:22:22,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627291,627304] [2021-11-25 20:22:22,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627446,627459] [2021-11-25 20:22:22,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627606,627619] [2021-11-25 20:22:22,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627757,627770] [2021-11-25 20:22:22,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627908,627921] [2021-11-25 20:22:22,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628060,628073] [2021-11-25 20:22:22,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628209,628222] [2021-11-25 20:22:22,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628357,628370] [2021-11-25 20:22:22,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628514,628527] [2021-11-25 20:22:22,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628663,628676] [2021-11-25 20:22:22,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628819,628832] [2021-11-25 20:22:22,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628972,628985] [2021-11-25 20:22:22,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629118,629131] [2021-11-25 20:22:22,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629261,629274] [2021-11-25 20:22:22,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629413,629426] [2021-11-25 20:22:22,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629559,629572] [2021-11-25 20:22:22,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629704,629717] [2021-11-25 20:22:22,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629858,629871] [2021-11-25 20:22:22,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630009,630022] [2021-11-25 20:22:22,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630164,630177] [2021-11-25 20:22:22,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630316,630329] [2021-11-25 20:22:22,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630471,630484] [2021-11-25 20:22:22,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630635,630648] [2021-11-25 20:22:22,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630791,630804] [2021-11-25 20:22:22,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630955,630968] [2021-11-25 20:22:22,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631097,631110] [2021-11-25 20:22:22,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631255,631268] [2021-11-25 20:22:22,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631422,631435] [2021-11-25 20:22:22,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631581,631594] [2021-11-25 20:22:22,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631740,631753] [2021-11-25 20:22:22,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631889,631902] [2021-11-25 20:22:22,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632036,632049] [2021-11-25 20:22:22,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632175,632188] [2021-11-25 20:22:22,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632338,632351] [2021-11-25 20:22:22,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632504,632517] [2021-11-25 20:22:22,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632668,632681] [2021-11-25 20:22:22,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632833,632846] [2021-11-25 20:22:22,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632998,633011] [2021-11-25 20:22:22,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633164,633177] [2021-11-25 20:22:22,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633329,633342] [2021-11-25 20:22:22,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633496,633509] [2021-11-25 20:22:22,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633656,633669] [2021-11-25 20:22:22,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633818,633831] [2021-11-25 20:22:22,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633977,633990] [2021-11-25 20:22:22,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634123,634136] [2021-11-25 20:22:22,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634266,634279] [2021-11-25 20:22:22,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634410,634423] [2021-11-25 20:22:22,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634553,634566] [2021-11-25 20:22:22,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634697,634710] [2021-11-25 20:22:22,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634838,634851] [2021-11-25 20:22:22,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634976,634989] [2021-11-25 20:22:22,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635134,635147] [2021-11-25 20:22:22,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635293,635306] [2021-11-25 20:22:22,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635449,635462] [2021-11-25 20:22:22,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635598,635611] [2021-11-25 20:22:22,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635750,635763] [2021-11-25 20:22:22,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635901,635914] [2021-11-25 20:22:22,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636050,636063] [2021-11-25 20:22:22,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636202,636215] [2021-11-25 20:22:22,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636350,636363] [2021-11-25 20:22:22,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636503,636516] [2021-11-25 20:22:22,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636654,636667] [2021-11-25 20:22:22,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636804,636817] [2021-11-25 20:22:22,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636951,636964] [2021-11-25 20:22:22,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637102,637115] [2021-11-25 20:22:22,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637253,637266] [2021-11-25 20:22:22,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637401,637414] [2021-11-25 20:22:22,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637567,637580] [2021-11-25 20:22:22,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637736,637749] [2021-11-25 20:22:22,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637903,637916] [2021-11-25 20:22:22,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638071,638084] [2021-11-25 20:22:22,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638221,638234] [2021-11-25 20:22:22,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638368,638381] [2021-11-25 20:22:22,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638529,638542] [2021-11-25 20:22:22,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638699,638712] [2021-11-25 20:22:22,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638861,638874] [2021-11-25 20:22:22,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:22,519 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:22:22,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22 WrapperNode [2021-11-25 20:22:22,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:22,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:22,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:22:22,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:22:22,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:22,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,055 INFO L137 Inliner]: procedures = 767, calls = 3589, calls flagged for inlining = 392, calls inlined = 328, statements flattened = 11177 [2021-11-25 20:22:23,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:23,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:22:23,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:22:23,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:22:23,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:22:23,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:22:23,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:22:23,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:22:23,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (1/1) ... [2021-11-25 20:22:23,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:23,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:22:23,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328daa73-f830-46c9-bec5-5ccf146ea080/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:22:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 20:22:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 20:22:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 20:22:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 20:22:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-25 20:22:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-25 20:22:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure sg_rq_end_io_usercontext [2021-11-25 20:22:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_rq_end_io_usercontext [2021-11-25 20:22:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:22:23,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:22:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:22:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:22:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-25 20:22:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-25 20:22:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 20:22:23,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 20:22:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure srp_done [2021-11-25 20:22:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_done [2021-11-25 20:22:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-11-25 20:22:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-11-25 20:22:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:22:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:22:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure sg_read [2021-11-25 20:22:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_read [2021-11-25 20:22:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:22:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:22:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mmap [2021-11-25 20:22:23,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mmap [2021-11-25 20:22:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 20:22:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 20:22:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure sg_res_in_use [2021-11-25 20:22:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_res_in_use [2021-11-25 20:22:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-25 20:22:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure max_sectors_bytes [2021-11-25 20:22:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure max_sectors_bytes [2021-11-25 20:22:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-11-25 20:22:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-11-25 20:22:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:22:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:22:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:22:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:22:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure sg_common_write [2021-11-25 20:22:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_common_write [2021-11-25 20:22:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_devstrs [2021-11-25 20:22:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_devstrs [2021-11-25 20:22:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:22:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:22:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-25 20:22:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-25 20:22:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:22:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:22:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:22:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:22:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del [2021-11-25 20:22:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del [2021-11-25 20:22:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:22:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-25 20:22:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-25 20:22:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-25 20:22:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-25 20:22:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-25 20:22:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-25 20:22:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:22:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:22:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:22:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:22:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure sg_add_device [2021-11-25 20:22:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_add_device [2021-11-25 20:22:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 20:22:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 20:22:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:22:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 20:22:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 20:22:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure sg_allow_access [2021-11-25 20:22:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_allow_access [2021-11-25 20:22:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:22:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2021-11-25 20:22:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2021-11-25 20:22:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 20:22:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 20:22:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:22:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:22:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_start [2021-11-25 20:22:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_start [2021-11-25 20:22:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-11-25 20:22:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-11-25 20:22:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-25 20:22:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-25 20:22:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:22:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:22:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:22:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:22:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:22:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 20:22:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 20:22:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-25 20:22:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-25 20:22:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_rel_lock_of_sg_device [2021-11-25 20:22:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_rel_lock_of_sg_device [2021-11-25 20:22:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:22:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:22:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:22:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:22:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure sg_lookup_dev [2021-11-25 20:22:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_lookup_dev [2021-11-25 20:22:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_sfp_usercontext [2021-11-25 20:22:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_sfp_usercontext [2021-11-25 20:22:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_scat [2021-11-25 20:22:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_scat [2021-11-25 20:22:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_devhdr [2021-11-25 20:22:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_devhdr [2021-11-25 20:22:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:22:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:22:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 20:22:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 20:22:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_put_blk_rq [2021-11-25 20:22:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_put_blk_rq [2021-11-25 20:22:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 20:22:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 20:22:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure sg_fasync [2021-11-25 20:22:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_fasync [2021-11-25 20:22:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-25 20:22:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-25 20:22:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-25 20:22:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:22:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:22:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 20:22:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 20:22:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-25 20:22:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-25 20:22:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure sg_new_write [2021-11-25 20:22:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_new_write [2021-11-25 20:22:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:22:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:22:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-25 20:22:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-25 20:22:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-25 20:22:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-25 20:22:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:22:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 20:22:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 20:22:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:22:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-25 20:22:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-25 20:22:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-25 20:22:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-25 20:22:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:22:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:22:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:22:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2021-11-25 20:22:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2021-11-25 20:22:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2021-11-25 20:22:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2021-11-25 20:22:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:22:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2021-11-25 20:22:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2021-11-25 20:22:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure sg_write [2021-11-25 20:22:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_write [2021-11-25 20:22:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:22:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:22:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 20:22:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 20:22:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_next [2021-11-25 20:22:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_next [2021-11-25 20:22:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure sg_new_read [2021-11-25 20:22:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_new_read [2021-11-25 20:22:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure sg_build_reserve [2021-11-25 20:22:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_build_reserve [2021-11-25 20:22:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_write_dressz [2021-11-25 20:22:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_write_dressz [2021-11-25 20:22:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_debug [2021-11-25 20:22:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_debug [2021-11-25 20:22:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 20:22:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 20:22:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure sg_build_indirect [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_build_indirect [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure sg_open [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_open [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 20:22:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_version [2021-11-25 20:22:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_version [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure sg_finish_rem_req [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_finish_rem_req [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_dev [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_dev [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-25 20:22:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-25 20:22:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_devstrs [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_devstrs [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 20:22:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 20:22:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure sg_poll [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_poll [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_int [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_int [2021-11-25 20:22:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_request [2021-11-25 20:22:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_request [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:22:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 20:22:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:22:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_debug [2021-11-25 20:22:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_debug [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:22:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:22:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_write_adio [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_write_adio [2021-11-25 20:22:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-25 20:22:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_devhdr [2021-11-25 20:22:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_devhdr [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:22:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 20:22:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-25 20:22:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-25 20:22:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-25 20:22:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_sg_index_idr [2021-11-25 20:22:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_sg_index_idr [2021-11-25 20:22:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_dev [2021-11-25 20:22:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_dev [2021-11-25 20:22:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2021-11-25 20:22:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2021-11-25 20:22:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_stop [2021-11-25 20:22:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_stop [2021-11-25 20:22:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-25 20:22:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-25 20:22:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:22:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:22:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:22:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:22:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure sg_get_rq_mark [2021-11-25 20:22:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_get_rq_mark [2021-11-25 20:22:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:22:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:22:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 20:22:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 20:22:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:22:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:22:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure blk_trace_startstop [2021-11-25 20:22:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_trace_startstop [2021-11-25 20:22:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure sg_release [2021-11-25 20:22:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_release [2021-11-25 20:22:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-25 20:22:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-25 20:22:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:22:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:22:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:22:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:22:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:22:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:22:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_rel_lock_of_sg_device [2021-11-25 20:22:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_rel_lock_of_sg_device [2021-11-25 20:22:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 20:22:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 20:22:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_dressz [2021-11-25 20:22:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_dressz [2021-11-25 20:22:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:22:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:22:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:22:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:22:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:22:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:22:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2021-11-25 20:22:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2021-11-25 20:22:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:22:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:22:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:22:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 20:22:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 20:22:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-11-25 20:22:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-11-25 20:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:22:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-25 20:22:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-25 20:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure sg_ioctl [2021-11-25 20:22:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_ioctl [2021-11-25 20:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:22:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:22:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-25 20:22:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-11-25 20:22:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure sg_compat_ioctl [2021-11-25 20:22:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_compat_ioctl [2021-11-25 20:22:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_version [2021-11-25 20:22:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_version [2021-11-25 20:22:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-25 20:22:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-11-25 20:22:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-25 20:22:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-25 20:22:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-25 20:22:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-25 20:22:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure sg_vma_fault [2021-11-25 20:22:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_vma_fault [2021-11-25 20:22:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 20:22:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 20:22:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 20:22:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 20:22:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure sg_add_request [2021-11-25 20:22:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_add_request [2021-11-25 20:22:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:22:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:22:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 20:22:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 20:22:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-25 20:22:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-25 20:22:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:22:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:22:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-25 20:22:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-25 20:22:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2021-11-25 20:22:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2021-11-25 20:22:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul_from_user [2021-11-25 20:22:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul_from_user [2021-11-25 20:22:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:22:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:22:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:22:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-25 20:22:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-25 20:22:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_adio [2021-11-25 20:22:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_adio [2021-11-25 20:22:25,108 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:22:25,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:22:25,708 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:22:25,811 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_nocheck_~tmp___1~3#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_nocheck_~tmp___1~3#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5809: SUMMARY for call __copy_to_user_nocheck_#t~ret139#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5805: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5805: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret137#1 && __copy_to_user_nocheck_#t~ret137#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~6#1 := __copy_to_user_nocheck_#t~ret137#1;havoc __copy_to_user_nocheck_#t~ret137#1; [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5801: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5801: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5797: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5797: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5789: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5789: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5806: SUMMARY for call __copy_to_user_nocheck_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5802: SUMMARY for call __copy_to_user_nocheck_#t~ret137#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-11-25 20:22:25,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5790: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5856: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret139#1;havoc __copy_to_user_nocheck_#t~ret139#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret138#1 && __copy_to_user_nocheck_#t~ret138#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~3#1 := __copy_to_user_nocheck_#t~ret138#1;havoc __copy_to_user_nocheck_#t~ret138#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume 0 != __copy_to_user_nocheck_~tmp___0~6#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:25,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume !(0 != __copy_to_user_nocheck_~tmp___0~6#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2021-11-25 20:22:29,806 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5696: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,806 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5696: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,806 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5692: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,806 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5692: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5688: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5688: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5684: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5684: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5726: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret132#1 && __copy_from_user_nocheck_#t~ret132#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~5#1 := __copy_from_user_nocheck_#t~ret132#1;havoc __copy_from_user_nocheck_#t~ret132#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5697: SUMMARY for call __copy_from_user_nocheck_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5693: SUMMARY for call __copy_from_user_nocheck_#t~ret132#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5689: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5685: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5743: assume 0 != __copy_from_user_nocheck_~tmp___1~2#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5743: assume !(0 != __copy_from_user_nocheck_~tmp___1~2#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5681: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5677: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5728: assume 0 != __copy_from_user_nocheck_~tmp___0~5#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5728: assume !(0 != __copy_from_user_nocheck_~tmp___0~5#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5753: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret134#1;havoc __copy_from_user_nocheck_#t~ret134#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5741: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret133#1 && __copy_from_user_nocheck_#t~ret133#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~2#1 := __copy_from_user_nocheck_#t~ret133#1;havoc __copy_from_user_nocheck_#t~ret133#1; [2021-11-25 20:22:29,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5700: SUMMARY for call __copy_from_user_nocheck_#t~ret134#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2021-11-25 20:22:32,062 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:22:34,951 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:22:34,951 INFO L301 CfgBuilder]: Removed 26 assume(true) statements. [2021-11-25 20:22:34,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:34 BoogieIcfgContainer [2021-11-25 20:22:34,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:22:34,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:22:34,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:22:34,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:22:34,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:22:15" (1/3) ... [2021-11-25 20:22:34,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b66ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:34, skipping insertion in model container [2021-11-25 20:22:34,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:22" (2/3) ... [2021-11-25 20:22:34,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b66ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:34, skipping insertion in model container [2021-11-25 20:22:34,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:34" (3/3) ... [2021-11-25 20:22:34,968 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2021-11-25 20:22:34,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:22:34,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-11-25 20:22:35,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:22:35,063 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:22:35,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-11-25 20:22:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 2978 states, 1745 states have (on average 1.3638968481375358) internal successors, (2380), 1891 states have internal predecessors, (2380), 1016 states have call successors, (1016), 173 states have call predecessors, (1016), 172 states have return successors, (989), 959 states have call predecessors, (989), 989 states have call successors, (989) [2021-11-25 20:22:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 20:22:35,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:35,157 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:22:35,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__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 42 more)] === [2021-11-25 20:22:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:35,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1659627370, now seen corresponding path program 1 times [2021-11-25 20:22:35,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:35,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081001159] [2021-11-25 20:22:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:35,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:22:35,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:35,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081001159] [2021-11-25 20:22:35,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081001159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:35,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:35,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:22:35,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025431646] [2021-11-25 20:22:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:35,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:22:35,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:35,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:22:35,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:35,989 INFO L87 Difference]: Start difference. First operand has 2978 states, 1745 states have (on average 1.3638968481375358) internal successors, (2380), 1891 states have internal predecessors, (2380), 1016 states have call successors, (1016), 173 states have call predecessors, (1016), 172 states have return successors, (989), 959 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:22:46,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:50,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:51,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:53,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:55,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:22:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:55,790 INFO L93 Difference]: Finished difference Result 8859 states and 13549 transitions. [2021-11-25 20:22:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:22:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2021-11-25 20:22:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:55,855 INFO L225 Difference]: With dead ends: 8859 [2021-11-25 20:22:55,855 INFO L226 Difference]: Without dead ends: 5828 [2021-11-25 20:22:55,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:22:55,891 INFO L933 BasicCegarLoop]: 7611 mSDtfsCounter, 4322 mSDsluCounter, 21361 mSDsCounter, 0 mSdLazyCounter, 3310 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 26618 SdHoareTripleChecker+Invalid, 3312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:55,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4325 Valid, 26618 Invalid, 3312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3310 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-11-25 20:22:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5828 states. [2021-11-25 20:22:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5828 to 5728. [2021-11-25 20:22:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5728 states, 3403 states have (on average 1.3288275051425213) internal successors, (4522), 3602 states have internal predecessors, (4522), 1944 states have call successors, (1944), 339 states have call predecessors, (1944), 338 states have return successors, (1944), 1878 states have call predecessors, (1944), 1942 states have call successors, (1944) [2021-11-25 20:22:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5728 states to 5728 states and 8410 transitions. [2021-11-25 20:22:56,495 INFO L78 Accepts]: Start accepts. Automaton has 5728 states and 8410 transitions. Word has length 24 [2021-11-25 20:22:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:56,495 INFO L470 AbstractCegarLoop]: Abstraction has 5728 states and 8410 transitions. [2021-11-25 20:22:56,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:22:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5728 states and 8410 transitions. [2021-11-25 20:22:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:22:56,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:56,498 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-25 20:22:56,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:22:56,499 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_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 42 more)] === [2021-11-25 20:22:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:56,501 INFO L85 PathProgramCache]: Analyzing trace with hash 461676355, now seen corresponding path program 1 times [2021-11-25 20:22:56,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:56,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852348487] [2021-11-25 20:22:56,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:56,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:22:56,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:56,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852348487] [2021-11-25 20:22:56,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852348487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:56,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:56,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:22:56,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092511368] [2021-11-25 20:22:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:56,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:22:56,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:56,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:22:56,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:22:56,775 INFO L87 Difference]: Start difference. First operand 5728 states and 8410 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:23:00,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:03,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:05,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:07,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:09,361 INFO L93 Difference]: Finished difference Result 5728 states and 8410 transitions. [2021-11-25 20:23:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:09,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2021-11-25 20:23:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:09,410 INFO L225 Difference]: With dead ends: 5728 [2021-11-25 20:23:09,410 INFO L226 Difference]: Without dead ends: 5726 [2021-11-25 20:23:09,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:23:09,416 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 4268 mSDsluCounter, 8533 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 11376 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:09,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 11376 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1438 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-11-25 20:23:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5726 states. [2021-11-25 20:23:09,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5726 to 5726. [2021-11-25 20:23:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 3402 states have (on average 1.3283362727807173) internal successors, (4519), 3600 states have internal predecessors, (4519), 1944 states have call successors, (1944), 339 states have call predecessors, (1944), 338 states have return successors, (1944), 1878 states have call predecessors, (1944), 1942 states have call successors, (1944) [2021-11-25 20:23:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 8407 transitions. [2021-11-25 20:23:09,889 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 8407 transitions. Word has length 39 [2021-11-25 20:23:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:09,890 INFO L470 AbstractCegarLoop]: Abstraction has 5726 states and 8407 transitions. [2021-11-25 20:23:09,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 20:23:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 8407 transitions. [2021-11-25 20:23:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:23:09,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:09,902 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:09,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:23:09,902 INFO L402 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 42 more)] === [2021-11-25 20:23:09,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:09,903 INFO L85 PathProgramCache]: Analyzing trace with hash 140396841, now seen corresponding path program 1 times [2021-11-25 20:23:09,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:09,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522146425] [2021-11-25 20:23:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:09,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 20:23:10,219 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:10,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522146425] [2021-11-25 20:23:10,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522146425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:10,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:10,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:23:10,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903861741] [2021-11-25 20:23:10,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:10,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:23:10,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:10,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:23:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:10,223 INFO L87 Difference]: Start difference. First operand 5726 states and 8407 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 20:23:18,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:19,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:21,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:24,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:26,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:27,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:28,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:30,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:31,987 INFO L93 Difference]: Finished difference Result 11376 states and 16720 transitions. [2021-11-25 20:23:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:31,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 65 [2021-11-25 20:23:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:32,080 INFO L225 Difference]: With dead ends: 11376 [2021-11-25 20:23:32,080 INFO L226 Difference]: Without dead ends: 11374 [2021-11-25 20:23:32,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:23:32,089 INFO L933 BasicCegarLoop]: 5125 mSDtfsCounter, 4256 mSDsluCounter, 15582 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 19118 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:32,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4257 Valid, 19118 Invalid, 2165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2161 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2021-11-25 20:23:32,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2021-11-25 20:23:32,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 11068. [2021-11-25 20:23:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11068 states, 6588 states have (on average 1.3310564663023678) internal successors, (8769), 6941 states have internal predecessors, (8769), 3808 states have call successors, (3808), 632 states have call predecessors, (3808), 631 states have return successors, (3814), 3676 states have call predecessors, (3814), 3806 states have call successors, (3814) [2021-11-25 20:23:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11068 states to 11068 states and 16391 transitions. [2021-11-25 20:23:32,819 INFO L78 Accepts]: Start accepts. Automaton has 11068 states and 16391 transitions. Word has length 65 [2021-11-25 20:23:32,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:32,820 INFO L470 AbstractCegarLoop]: Abstraction has 11068 states and 16391 transitions. [2021-11-25 20:23:32,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 20:23:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 11068 states and 16391 transitions. [2021-11-25 20:23:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 20:23:32,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:32,824 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:23:32,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:23:32,825 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 42 more)] === [2021-11-25 20:23:32,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:32,825 INFO L85 PathProgramCache]: Analyzing trace with hash 271783214, now seen corresponding path program 1 times [2021-11-25 20:23:32,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:32,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936041763] [2021-11-25 20:23:32,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:32,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:23:33,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:33,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936041763] [2021-11-25 20:23:33,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936041763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:33,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:33,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:33,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219693689] [2021-11-25 20:23:33,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:33,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:33,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:33,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:33,112 INFO L87 Difference]: Start difference. First operand 11068 states and 16391 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:23:37,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:40,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:40,225 INFO L93 Difference]: Finished difference Result 11068 states and 16391 transitions. [2021-11-25 20:23:40,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:40,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 73 [2021-11-25 20:23:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:40,292 INFO L225 Difference]: With dead ends: 11068 [2021-11-25 20:23:40,293 INFO L226 Difference]: Without dead ends: 11066 [2021-11-25 20:23:40,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:40,301 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 4244 mSDsluCounter, 4267 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:40,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4246 Valid, 7586 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-11-25 20:23:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11066 states. [2021-11-25 20:23:40,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11066 to 11066. [2021-11-25 20:23:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11066 states, 6587 states have (on average 1.3308030970092606) internal successors, (8766), 6939 states have internal predecessors, (8766), 3808 states have call successors, (3808), 632 states have call predecessors, (3808), 631 states have return successors, (3814), 3676 states have call predecessors, (3814), 3806 states have call successors, (3814) [2021-11-25 20:23:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11066 states to 11066 states and 16388 transitions. [2021-11-25 20:23:41,129 INFO L78 Accepts]: Start accepts. Automaton has 11066 states and 16388 transitions. Word has length 73 [2021-11-25 20:23:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:41,129 INFO L470 AbstractCegarLoop]: Abstraction has 11066 states and 16388 transitions. [2021-11-25 20:23:41,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:23:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 11066 states and 16388 transitions. [2021-11-25 20:23:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 20:23:41,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:41,131 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:23:41,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:23:41,132 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 42 more)] === [2021-11-25 20:23:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:41,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1548760146, now seen corresponding path program 1 times [2021-11-25 20:23:41,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:41,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566849102] [2021-11-25 20:23:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:41,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-25 20:23:41,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:41,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566849102] [2021-11-25 20:23:41,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566849102] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:41,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:41,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:23:41,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5865237] [2021-11-25 20:23:41,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:41,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:23:41,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:41,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:23:41,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:41,326 INFO L87 Difference]: Start difference. First operand 11066 states and 16388 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:23:46,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:48,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:50,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:51,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:23:53,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:53,234 INFO L93 Difference]: Finished difference Result 11066 states and 16388 transitions. [2021-11-25 20:23:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:53,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2021-11-25 20:23:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:53,288 INFO L225 Difference]: With dead ends: 11066 [2021-11-25 20:23:53,288 INFO L226 Difference]: Without dead ends: 11064 [2021-11-25 20:23:53,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:23:53,296 INFO L933 BasicCegarLoop]: 3787 mSDtfsCounter, 4247 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4248 SdHoareTripleChecker+Valid, 11358 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:53,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4248 Valid, 11358 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1438 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2021-11-25 20:23:53,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11064 states. [2021-11-25 20:23:53,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11064 to 11064. [2021-11-25 20:23:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11064 states, 6586 states have (on average 1.330245976313392) internal successors, (8761), 6937 states have internal predecessors, (8761), 3808 states have call successors, (3808), 632 states have call predecessors, (3808), 631 states have return successors, (3814), 3676 states have call predecessors, (3814), 3806 states have call successors, (3814) [2021-11-25 20:23:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11064 states to 11064 states and 16383 transitions. [2021-11-25 20:23:54,084 INFO L78 Accepts]: Start accepts. Automaton has 11064 states and 16383 transitions. Word has length 75 [2021-11-25 20:23:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:54,086 INFO L470 AbstractCegarLoop]: Abstraction has 11064 states and 16383 transitions. [2021-11-25 20:23:54,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:23:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 11064 states and 16383 transitions. [2021-11-25 20:23:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 20:23:54,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:54,089 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 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] [2021-11-25 20:23:54,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:23:54,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 42 more)] === [2021-11-25 20:23:54,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:54,091 INFO L85 PathProgramCache]: Analyzing trace with hash -524050013, now seen corresponding path program 1 times [2021-11-25 20:23:54,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:54,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503712608] [2021-11-25 20:23:54,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:54,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:23:54,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:54,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503712608] [2021-11-25 20:23:54,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503712608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:54,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:54,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:54,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661539052] [2021-11-25 20:23:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:54,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:54,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:54,309 INFO L87 Difference]: Start difference. First operand 11064 states and 16383 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:23:59,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:00,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:03,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:05,608 INFO L93 Difference]: Finished difference Result 21720 states and 32445 transitions. [2021-11-25 20:24:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:24:05,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 78 [2021-11-25 20:24:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:05,723 INFO L225 Difference]: With dead ends: 21720 [2021-11-25 20:24:05,724 INFO L226 Difference]: Without dead ends: 21718 [2021-11-25 20:24:05,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:24:05,739 INFO L933 BasicCegarLoop]: 4836 mSDtfsCounter, 4207 mSDsluCounter, 9504 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4209 SdHoareTripleChecker+Valid, 13388 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:05,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4209 Valid, 13388 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2021-11-25 20:24:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21718 states. [2021-11-25 20:24:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21718 to 21427. [2021-11-25 20:24:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21427 states, 12777 states have (on average 1.332237614463489) internal successors, (17022), 13426 states have internal predecessors, (17022), 7394 states have call successors, (7394), 1218 states have call predecessors, (7394), 1217 states have return successors, (7712), 7132 states have call predecessors, (7712), 7392 states have call successors, (7712) [2021-11-25 20:24:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21427 states to 21427 states and 32128 transitions. [2021-11-25 20:24:07,389 INFO L78 Accepts]: Start accepts. Automaton has 21427 states and 32128 transitions. Word has length 78 [2021-11-25 20:24:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:07,390 INFO L470 AbstractCegarLoop]: Abstraction has 21427 states and 32128 transitions. [2021-11-25 20:24:07,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:24:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 21427 states and 32128 transitions. [2021-11-25 20:24:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 20:24:07,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:07,393 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:07,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:24:07,394 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 42 more)] === [2021-11-25 20:24:07,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:07,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1680565606, now seen corresponding path program 1 times [2021-11-25 20:24:07,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:07,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179402570] [2021-11-25 20:24:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:07,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:24:07,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:07,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179402570] [2021-11-25 20:24:07,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179402570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:07,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:07,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:24:07,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856733632] [2021-11-25 20:24:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:07,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:07,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:07,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:07,633 INFO L87 Difference]: Start difference. First operand 21427 states and 32128 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 20:24:10,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:13,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:15,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:16,131 INFO L93 Difference]: Finished difference Result 21427 states and 32128 transitions. [2021-11-25 20:24:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:24:16,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 83 [2021-11-25 20:24:16,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:16,242 INFO L225 Difference]: With dead ends: 21427 [2021-11-25 20:24:16,242 INFO L226 Difference]: Without dead ends: 21425 [2021-11-25 20:24:16,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:24:16,256 INFO L933 BasicCegarLoop]: 3789 mSDtfsCounter, 4238 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 7578 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:16,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4240 Valid, 7578 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-11-25 20:24:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21425 states. [2021-11-25 20:24:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21425 to 21425. [2021-11-25 20:24:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21425 states, 12776 states have (on average 1.3321070757670632) internal successors, (17019), 13424 states have internal predecessors, (17019), 7394 states have call successors, (7394), 1218 states have call predecessors, (7394), 1217 states have return successors, (7712), 7132 states have call predecessors, (7712), 7392 states have call successors, (7712) [2021-11-25 20:24:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21425 states to 21425 states and 32125 transitions. [2021-11-25 20:24:17,769 INFO L78 Accepts]: Start accepts. Automaton has 21425 states and 32125 transitions. Word has length 83 [2021-11-25 20:24:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:17,771 INFO L470 AbstractCegarLoop]: Abstraction has 21425 states and 32125 transitions. [2021-11-25 20:24:17,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 20:24:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 21425 states and 32125 transitions. [2021-11-25 20:24:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 20:24:17,774 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:17,774 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:17,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:24:17,775 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 42 more)] === [2021-11-25 20:24:17,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1071145092, now seen corresponding path program 1 times [2021-11-25 20:24:17,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:17,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115781065] [2021-11-25 20:24:17,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:17,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:24:18,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:18,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115781065] [2021-11-25 20:24:18,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115781065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:18,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:18,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:24:18,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248730195] [2021-11-25 20:24:18,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:18,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:24:18,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:24:18,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:24:18,035 INFO L87 Difference]: Start difference. First operand 21425 states and 32125 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 20:24:27,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:31,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:33,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:33,474 INFO L93 Difference]: Finished difference Result 32182 states and 48060 transitions. [2021-11-25 20:24:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:24:33,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 86 [2021-11-25 20:24:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:33,632 INFO L225 Difference]: With dead ends: 32182 [2021-11-25 20:24:33,633 INFO L226 Difference]: Without dead ends: 31894 [2021-11-25 20:24:33,656 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:24:33,657 INFO L933 BasicCegarLoop]: 5001 mSDtfsCounter, 4077 mSDsluCounter, 20823 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4079 SdHoareTripleChecker+Valid, 23723 SdHoareTripleChecker+Invalid, 2798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:33,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4079 Valid, 23723 Invalid, 2798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 2742 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2021-11-25 20:24:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31894 states. [2021-11-25 20:24:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31894 to 31600. [2021-11-25 20:24:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31600 states, 18849 states have (on average 1.3328558544219853) internal successors, (25123), 19793 states have internal predecessors, (25123), 10916 states have call successors, (10916), 1798 states have call predecessors, (10916), 1797 states have return successors, (11394), 10528 states have call predecessors, (11394), 10914 states have call successors, (11394) [2021-11-25 20:24:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31600 states to 31600 states and 47433 transitions. [2021-11-25 20:24:35,886 INFO L78 Accepts]: Start accepts. Automaton has 31600 states and 47433 transitions. Word has length 86 [2021-11-25 20:24:35,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:35,887 INFO L470 AbstractCegarLoop]: Abstraction has 31600 states and 47433 transitions. [2021-11-25 20:24:35,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 20:24:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31600 states and 47433 transitions. [2021-11-25 20:24:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 20:24:35,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:35,889 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:35,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:24:35,890 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 42 more)] === [2021-11-25 20:24:35,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:35,890 INFO L85 PathProgramCache]: Analyzing trace with hash -838919495, now seen corresponding path program 1 times [2021-11-25 20:24:35,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:35,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215279135] [2021-11-25 20:24:35,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:35,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:24:36,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:36,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215279135] [2021-11-25 20:24:36,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215279135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:36,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:36,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:24:36,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27827056] [2021-11-25 20:24:36,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:36,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:36,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:36,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:36,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:36,086 INFO L87 Difference]: Start difference. First operand 31600 states and 47433 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:24:44,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:46,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:24:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:48,369 INFO L93 Difference]: Finished difference Result 61477 states and 93551 transitions. [2021-11-25 20:24:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:24:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 88 [2021-11-25 20:24:48,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:48,641 INFO L225 Difference]: With dead ends: 61477 [2021-11-25 20:24:48,641 INFO L226 Difference]: Without dead ends: 61475 [2021-11-25 20:24:48,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:24:48,669 INFO L933 BasicCegarLoop]: 4791 mSDtfsCounter, 4225 mSDsluCounter, 9274 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 13139 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:48,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 13139 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1419 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2021-11-25 20:24:48,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61475 states. [2021-11-25 20:24:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61475 to 61267. [2021-11-25 20:24:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61267 states, 36554 states have (on average 1.335284784154949) internal successors, (48810), 38392 states have internal predecessors, (48810), 21163 states have call successors, (21163), 3513 states have call predecessors, (21163), 3512 states have return successors, (23367), 20367 states have call predecessors, (23367), 21161 states have call successors, (23367) [2021-11-25 20:24:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61267 states to 61267 states and 93340 transitions. [2021-11-25 20:24:52,612 INFO L78 Accepts]: Start accepts. Automaton has 61267 states and 93340 transitions. Word has length 88 [2021-11-25 20:24:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:52,613 INFO L470 AbstractCegarLoop]: Abstraction has 61267 states and 93340 transitions. [2021-11-25 20:24:52,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:24:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 61267 states and 93340 transitions. [2021-11-25 20:24:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 20:24:52,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:52,617 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:52,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:24:52,617 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 42 more)] === [2021-11-25 20:24:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1555039377, now seen corresponding path program 1 times [2021-11-25 20:24:52,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:52,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442603849] [2021-11-25 20:24:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:52,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:24:52,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:52,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442603849] [2021-11-25 20:24:52,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442603849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:52,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:52,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:24:52,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867463406] [2021-11-25 20:24:52,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:52,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:52,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:52,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:52,824 INFO L87 Difference]: Start difference. First operand 61267 states and 93340 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:24:58,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:00,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:03,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:25:04,318 INFO L93 Difference]: Finished difference Result 66667 states and 100460 transitions. [2021-11-25 20:25:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:25:04,318 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, (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 91 [2021-11-25 20:25:04,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:25:04,729 INFO L225 Difference]: With dead ends: 66667 [2021-11-25 20:25:04,729 INFO L226 Difference]: Without dead ends: 66665 [2021-11-25 20:25:04,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:25:04,770 INFO L933 BasicCegarLoop]: 3916 mSDtfsCounter, 4201 mSDsluCounter, 5027 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4203 SdHoareTripleChecker+Valid, 8370 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:25:04,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4203 Valid, 8370 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1053 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2021-11-25 20:25:04,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66665 states. [2021-11-25 20:25:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66665 to 66585. [2021-11-25 20:25:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66585 states, 39701 states have (on average 1.328555955769376) internal successors, (52745), 41686 states have internal predecessors, (52745), 22643 states have call successors, (22643), 4193 states have call predecessors, (22643), 4204 states have return successors, (24955), 21815 states have call predecessors, (24955), 22641 states have call successors, (24955) [2021-11-25 20:25:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66585 states to 66585 states and 100343 transitions. [2021-11-25 20:25:08,543 INFO L78 Accepts]: Start accepts. Automaton has 66585 states and 100343 transitions. Word has length 91 [2021-11-25 20:25:08,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:25:08,551 INFO L470 AbstractCegarLoop]: Abstraction has 66585 states and 100343 transitions. [2021-11-25 20:25:08,551 INFO L471 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:25:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 66585 states and 100343 transitions. [2021-11-25 20:25:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 20:25:08,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:25:08,555 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:25:08,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:25:08,556 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 42 more)] === [2021-11-25 20:25:08,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:25:08,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1099271930, now seen corresponding path program 1 times [2021-11-25 20:25:08,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:25:08,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531446470] [2021-11-25 20:25:08,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:25:08,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:25:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:25:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:25:08,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:25:08,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531446470] [2021-11-25 20:25:08,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531446470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:25:08,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:25:08,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:25:08,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937683875] [2021-11-25 20:25:08,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:25:08,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:25:08,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:25:08,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:25:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:25:08,782 INFO L87 Difference]: Start difference. First operand 66585 states and 100343 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:25:15,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:17,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:19,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:25:19,213 INFO L93 Difference]: Finished difference Result 67029 states and 100831 transitions. [2021-11-25 20:25:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:25:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 93 [2021-11-25 20:25:19,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:25:19,410 INFO L225 Difference]: With dead ends: 67029 [2021-11-25 20:25:19,410 INFO L226 Difference]: Without dead ends: 67027 [2021-11-25 20:25:19,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:25:19,432 INFO L933 BasicCegarLoop]: 5134 mSDtfsCounter, 4233 mSDsluCounter, 9900 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 14005 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:25:19,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4235 Valid, 14005 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 20:25:19,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67027 states. [2021-11-25 20:25:22,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67027 to 66705. [2021-11-25 20:25:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66705 states, 39772 states have (on average 1.3280699989942673) internal successors, (52820), 41757 states have internal predecessors, (52820), 22671 states have call successors, (22671), 4214 states have call predecessors, (22671), 4225 states have return successors, (24983), 21843 states have call predecessors, (24983), 22669 states have call successors, (24983) [2021-11-25 20:25:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66705 states to 66705 states and 100474 transitions. [2021-11-25 20:25:23,127 INFO L78 Accepts]: Start accepts. Automaton has 66705 states and 100474 transitions. Word has length 93 [2021-11-25 20:25:23,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:25:23,127 INFO L470 AbstractCegarLoop]: Abstraction has 66705 states and 100474 transitions. [2021-11-25 20:25:23,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:25:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 66705 states and 100474 transitions. [2021-11-25 20:25:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:25:23,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:25:23,143 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:25:23,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:25:23,143 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-25 20:25:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:25:23,144 INFO L85 PathProgramCache]: Analyzing trace with hash 20066422, now seen corresponding path program 1 times [2021-11-25 20:25:23,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:25:23,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184694182] [2021-11-25 20:25:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:25:23,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:25:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:25:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-25 20:25:23,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:25:23,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184694182] [2021-11-25 20:25:23,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184694182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:25:23,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:25:23,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 20:25:23,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710279469] [2021-11-25 20:25:23,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:25:23,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:25:23,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:25:23,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:25:23,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:25:23,557 INFO L87 Difference]: Start difference. First operand 66705 states and 100474 transitions. Second operand has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-25 20:25:39,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:41,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:43,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:44,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:46,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:48,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:50,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:52,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:54,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:55,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:57,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:25:59,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:01,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:26:02,981 INFO L93 Difference]: Finished difference Result 69850 states and 104538 transitions. [2021-11-25 20:26:02,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:26:02,982 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 94 [2021-11-25 20:26:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:26:03,188 INFO L225 Difference]: With dead ends: 69850 [2021-11-25 20:26:03,188 INFO L226 Difference]: Without dead ends: 46847 [2021-11-25 20:26:03,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-25 20:26:03,318 INFO L933 BasicCegarLoop]: 3754 mSDtfsCounter, 22 mSDsluCounter, 37803 mSDsCounter, 0 mSdLazyCounter, 5453 mSolverCounterSat, 97 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 37317 SdHoareTripleChecker+Invalid, 5552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 5453 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:26:03,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 37317 Invalid, 5552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [97 Valid, 5453 Invalid, 2 Unknown, 0 Unchecked, 37.7s Time] [2021-11-25 20:26:03,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46847 states. [2021-11-25 20:26:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46847 to 46794. [2021-11-25 20:26:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46794 states, 27889 states have (on average 1.3246082684929543) internal successors, (36942), 29278 states have internal predecessors, (36942), 15771 states have call successors, (15771), 3090 states have call predecessors, (15771), 3097 states have return successors, (17317), 15203 states have call predecessors, (17317), 15769 states have call successors, (17317) [2021-11-25 20:26:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46794 states to 46794 states and 70030 transitions. [2021-11-25 20:26:05,903 INFO L78 Accepts]: Start accepts. Automaton has 46794 states and 70030 transitions. Word has length 94 [2021-11-25 20:26:05,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:26:05,906 INFO L470 AbstractCegarLoop]: Abstraction has 46794 states and 70030 transitions. [2021-11-25 20:26:05,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-25 20:26:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 46794 states and 70030 transitions. [2021-11-25 20:26:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 20:26:05,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:26:05,912 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:26:05,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:26:05,913 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 42 more)] === [2021-11-25 20:26:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:26:05,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1856976909, now seen corresponding path program 1 times [2021-11-25 20:26:05,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:26:05,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452876996] [2021-11-25 20:26:05,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:26:05,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:26:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:26:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:26:06,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:26:06,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452876996] [2021-11-25 20:26:06,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452876996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:26:06,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:26:06,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:26:06,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566656836] [2021-11-25 20:26:06,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:26:06,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:26:06,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:26:06,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:26:06,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:26:06,111 INFO L87 Difference]: Start difference. First operand 46794 states and 70030 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:26:10,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:13,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:15,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:26:17,298 INFO L93 Difference]: Finished difference Result 46965 states and 70222 transitions. [2021-11-25 20:26:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:26:17,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 98 [2021-11-25 20:26:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:26:17,441 INFO L225 Difference]: With dead ends: 46965 [2021-11-25 20:26:17,441 INFO L226 Difference]: Without dead ends: 46963 [2021-11-25 20:26:17,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:26:17,457 INFO L933 BasicCegarLoop]: 5245 mSDtfsCounter, 4200 mSDsluCounter, 10015 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 14204 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:26:17,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4204 Valid, 14204 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1654 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2021-11-25 20:26:17,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46963 states. [2021-11-25 20:26:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46963 to 46794. [2021-11-25 20:26:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46794 states, 27889 states have (on average 1.3245365556312525) internal successors, (36940), 29278 states have internal predecessors, (36940), 15771 states have call successors, (15771), 3090 states have call predecessors, (15771), 3097 states have return successors, (17317), 15203 states have call predecessors, (17317), 15769 states have call successors, (17317) [2021-11-25 20:26:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46794 states to 46794 states and 70028 transitions. [2021-11-25 20:26:19,914 INFO L78 Accepts]: Start accepts. Automaton has 46794 states and 70028 transitions. Word has length 98 [2021-11-25 20:26:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:26:19,914 INFO L470 AbstractCegarLoop]: Abstraction has 46794 states and 70028 transitions. [2021-11-25 20:26:19,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:26:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 46794 states and 70028 transitions. [2021-11-25 20:26:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 20:26:19,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:26:19,917 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:26:19,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 20:26:19,917 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-25 20:26:19,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:26:19,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1729436786, now seen corresponding path program 1 times [2021-11-25 20:26:19,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:26:19,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154057635] [2021-11-25 20:26:19,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:26:19,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:26:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:26:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-25 20:26:20,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:26:20,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154057635] [2021-11-25 20:26:20,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154057635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:26:20,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:26:20,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 20:26:20,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252557693] [2021-11-25 20:26:20,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:26:20,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:26:20,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:26:20,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:26:20,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:26:20,301 INFO L87 Difference]: Start difference. First operand 46794 states and 70028 transitions. Second operand has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-25 20:26:32,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:33,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:35,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:37,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:39,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:42,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:44,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:46,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:47,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:49,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:51,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:26:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:26:55,390 INFO L93 Difference]: Finished difference Result 114206 states and 176033 transitions. [2021-11-25 20:26:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 20:26:55,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 98 [2021-11-25 20:26:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:26:55,672 INFO L225 Difference]: With dead ends: 114206 [2021-11-25 20:26:55,673 INFO L226 Difference]: Without dead ends: 67596 [2021-11-25 20:26:55,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:26:55,813 INFO L933 BasicCegarLoop]: 4490 mSDtfsCounter, 2122 mSDsluCounter, 34279 mSDsCounter, 0 mSdLazyCounter, 4095 mSolverCounterSat, 1032 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 35258 SdHoareTripleChecker+Invalid, 5131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 4095 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:26:55,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2465 Valid, 35258 Invalid, 5131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1032 Valid, 4095 Invalid, 4 Unknown, 0 Unchecked, 31.9s Time] [2021-11-25 20:26:55,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67596 states. [2021-11-25 20:26:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67596 to 46832. [2021-11-25 20:26:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46832 states, 27911 states have (on average 1.3243524058614884) internal successors, (36964), 29300 states have internal predecessors, (36964), 15785 states have call successors, (15785), 3090 states have call predecessors, (15785), 3099 states have return successors, (17333), 15219 states have call predecessors, (17333), 15783 states have call successors, (17333) [2021-11-25 20:26:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46832 states to 46832 states and 70082 transitions. [2021-11-25 20:26:59,052 INFO L78 Accepts]: Start accepts. Automaton has 46832 states and 70082 transitions. Word has length 98 [2021-11-25 20:26:59,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:26:59,052 INFO L470 AbstractCegarLoop]: Abstraction has 46832 states and 70082 transitions. [2021-11-25 20:26:59,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-25 20:26:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 46832 states and 70082 transitions. [2021-11-25 20:26:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 20:26:59,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:26:59,054 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:26:59,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 20:26:59,055 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 42 more)] === [2021-11-25 20:26:59,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:26:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash -23483146, now seen corresponding path program 1 times [2021-11-25 20:26:59,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:26:59,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698301336] [2021-11-25 20:26:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:26:59,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:26:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:26:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:26:59,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:26:59,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698301336] [2021-11-25 20:26:59,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698301336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:26:59,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:26:59,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:26:59,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103790376] [2021-11-25 20:26:59,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:26:59,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:26:59,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:26:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:26:59,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:26:59,223 INFO L87 Difference]: Start difference. First operand 46832 states and 70082 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:27:05,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:07,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:08,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:27:08,146 INFO L93 Difference]: Finished difference Result 46832 states and 70082 transitions. [2021-11-25 20:27:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:27:08,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 103 [2021-11-25 20:27:08,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:27:08,276 INFO L225 Difference]: With dead ends: 46832 [2021-11-25 20:27:08,276 INFO L226 Difference]: Without dead ends: 46830 [2021-11-25 20:27:08,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:27:08,291 INFO L933 BasicCegarLoop]: 3785 mSDtfsCounter, 4230 mSDsluCounter, 4259 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 7570 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:27:08,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4232 Valid, 7570 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-11-25 20:27:08,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46830 states. [2021-11-25 20:27:10,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46830 to 46830. [2021-11-25 20:27:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46830 states, 27910 states have (on average 1.3242565388749552) internal successors, (36960), 29298 states have internal predecessors, (36960), 15785 states have call successors, (15785), 3090 states have call predecessors, (15785), 3099 states have return successors, (17333), 15219 states have call predecessors, (17333), 15783 states have call successors, (17333) [2021-11-25 20:27:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46830 states to 46830 states and 70078 transitions. [2021-11-25 20:27:11,029 INFO L78 Accepts]: Start accepts. Automaton has 46830 states and 70078 transitions. Word has length 103 [2021-11-25 20:27:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:27:11,029 INFO L470 AbstractCegarLoop]: Abstraction has 46830 states and 70078 transitions. [2021-11-25 20:27:11,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:27:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46830 states and 70078 transitions. [2021-11-25 20:27:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 20:27:11,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:27:11,031 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:27:11,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 20:27:11,031 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-25 20:27:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:27:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash -460559984, now seen corresponding path program 1 times [2021-11-25 20:27:11,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:27:11,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689238364] [2021-11-25 20:27:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:27:11,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:27:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:27:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-25 20:27:11,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:27:11,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689238364] [2021-11-25 20:27:11,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689238364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:27:11,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:27:11,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 20:27:11,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634453419] [2021-11-25 20:27:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:27:11,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:27:11,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:27:11,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:27:11,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:27:11,481 INFO L87 Difference]: Start difference. First operand 46830 states and 70078 transitions. Second operand has 13 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2021-11-25 20:27:31,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:34,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:36,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:38,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:42,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:44,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:46,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:50,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:52,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:53,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:55,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:27:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:27:59,109 INFO L93 Difference]: Finished difference Result 118889 states and 177783 transitions. [2021-11-25 20:27:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 20:27:59,109 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 103 [2021-11-25 20:27:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:27:59,480 INFO L225 Difference]: With dead ends: 118889 [2021-11-25 20:27:59,480 INFO L226 Difference]: Without dead ends: 93561 [2021-11-25 20:27:59,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2021-11-25 20:27:59,564 INFO L933 BasicCegarLoop]: 4324 mSDtfsCounter, 5471 mSDsluCounter, 51963 mSDsCounter, 0 mSdLazyCounter, 10241 mSolverCounterSat, 1363 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 51111 SdHoareTripleChecker+Invalid, 11610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1363 IncrementalHoareTripleChecker+Valid, 10241 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:27:59,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5552 Valid, 51111 Invalid, 11610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1363 Valid, 10241 Invalid, 6 Unknown, 0 Unchecked, 42.8s Time] [2021-11-25 20:27:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93561 states. [2021-11-25 20:28:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93561 to 92830. [2021-11-25 20:28:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92830 states, 55338 states have (on average 1.3256713289240667) internal successors, (73360), 58062 states have internal predecessors, (73360), 31381 states have call successors, (31381), 6066 states have call predecessors, (31381), 6075 states have return successors, (34477), 30251 states have call predecessors, (34477), 31379 states have call successors, (34477) [2021-11-25 20:28:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92830 states to 92830 states and 139218 transitions. [2021-11-25 20:28:05,808 INFO L78 Accepts]: Start accepts. Automaton has 92830 states and 139218 transitions. Word has length 103 [2021-11-25 20:28:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:28:05,809 INFO L470 AbstractCegarLoop]: Abstraction has 92830 states and 139218 transitions. [2021-11-25 20:28:05,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2021-11-25 20:28:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 92830 states and 139218 transitions. [2021-11-25 20:28:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 20:28:05,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:28:05,812 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:28:05,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 20:28:05,812 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 42 more)] === [2021-11-25 20:28:05,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:28:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 169252489, now seen corresponding path program 1 times [2021-11-25 20:28:05,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:28:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194602569] [2021-11-25 20:28:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:28:05,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:28:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:28:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:28:05,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:28:05,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194602569] [2021-11-25 20:28:05,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194602569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:28:05,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:28:05,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:28:05,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857050464] [2021-11-25 20:28:05,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:28:05,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:28:05,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:28:05,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:28:05,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:28:05,998 INFO L87 Difference]: Start difference. First operand 92830 states and 139218 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)