./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--advansys.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d203471fae7090e1b4b8d383383c7e1c0af1c27cf547904727a787feab3c21ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:54:44,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:54:44,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:54:44,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:54:44,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:54:44,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:54:44,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:54:44,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:54:44,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:54:44,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:54:44,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:54:44,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:54:44,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:54:44,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:54:44,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:54:44,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:54:44,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:54:44,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:54:44,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:54:44,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:54:44,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:54:44,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:54:44,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:54:44,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:54:44,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:54:44,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:54:44,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:54:44,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:54:44,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:54:44,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:54:44,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:54:44,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:54:44,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:54:44,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:54:44,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:54:44,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:54:44,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:54:44,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:54:44,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:54:44,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:54:44,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:54:44,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:54:44,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:54:44,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:54:44,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:54:44,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:54:44,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:54:44,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:54:44,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:54:44,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:54:44,493 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:54:44,493 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:54:44,494 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:54:44,495 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:54:44,495 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:54:44,495 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:54:44,495 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:54:44,496 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:54:44,496 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:54:44,496 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:54:44,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:54:44,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:54:44,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:54:44,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:54:44,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:54:44,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:54:44,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:54:44,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:54:44,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:54:44,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:54:44,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:54:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:54:44,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:54:44,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:54:44,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:54:44,502 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:54:44,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:54:44,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:54:44,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:54:44,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:54:44,503 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_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d203471fae7090e1b4b8d383383c7e1c0af1c27cf547904727a787feab3c21ea [2021-11-21 00:54:44,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:54:44,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:54:44,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:54:44,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:54:44,853 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:54:44,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-21 00:54:44,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/data/6653585d8/c5b9dc30c6c34fdca779973b14a151ae/FLAG9e572acd1 [2021-11-21 00:54:46,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:54:46,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-21 00:54:46,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/data/6653585d8/c5b9dc30c6c34fdca779973b14a151ae/FLAG9e572acd1 [2021-11-21 00:54:46,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/data/6653585d8/c5b9dc30c6c34fdca779973b14a151ae [2021-11-21 00:54:46,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:54:46,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:54:46,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:54:46,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:54:46,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:54:46,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:54:46" (1/1) ... [2021-11-21 00:54:46,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bb263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:46, skipping insertion in model container [2021-11-21 00:54:46,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:54:46" (1/1) ... [2021-11-21 00:54:46,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:54:46,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:54:52,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571610,571623] [2021-11-21 00:54:52,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571755,571768] [2021-11-21 00:54:52,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571901,571914] [2021-11-21 00:54:52,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572066,572079] [2021-11-21 00:54:52,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572224,572237] [2021-11-21 00:54:52,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572382,572395] [2021-11-21 00:54:52,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572540,572553] [2021-11-21 00:54:52,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572700,572713] [2021-11-21 00:54:52,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572859,572872] [2021-11-21 00:54:52,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572998,573011] [2021-11-21 00:54:52,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573140,573153] [2021-11-21 00:54:52,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573289,573302] [2021-11-21 00:54:52,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573428,573441] [2021-11-21 00:54:52,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573583,573596] [2021-11-21 00:54:52,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573743,573756] [2021-11-21 00:54:52,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573894,573907] [2021-11-21 00:54:52,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574045,574058] [2021-11-21 00:54:52,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574197,574210] [2021-11-21 00:54:52,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574346,574359] [2021-11-21 00:54:52,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574494,574507] [2021-11-21 00:54:52,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574651,574664] [2021-11-21 00:54:52,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574800,574813] [2021-11-21 00:54:52,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574956,574969] [2021-11-21 00:54:52,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575109,575122] [2021-11-21 00:54:52,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575255,575268] [2021-11-21 00:54:52,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575398,575411] [2021-11-21 00:54:52,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575550,575563] [2021-11-21 00:54:52,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575696,575709] [2021-11-21 00:54:52,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575841,575854] [2021-11-21 00:54:52,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575995,576008] [2021-11-21 00:54:52,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576146,576159] [2021-11-21 00:54:52,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576301,576314] [2021-11-21 00:54:52,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576453,576466] [2021-11-21 00:54:52,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576608,576621] [2021-11-21 00:54:52,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576772,576785] [2021-11-21 00:54:52,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576928,576941] [2021-11-21 00:54:52,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577092,577105] [2021-11-21 00:54:52,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577234,577247] [2021-11-21 00:54:52,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577392,577405] [2021-11-21 00:54:52,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577559,577572] [2021-11-21 00:54:52,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577718,577731] [2021-11-21 00:54:52,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577877,577890] [2021-11-21 00:54:52,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578026,578039] [2021-11-21 00:54:52,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578173,578186] [2021-11-21 00:54:52,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578312,578325] [2021-11-21 00:54:52,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578475,578488] [2021-11-21 00:54:52,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578641,578654] [2021-11-21 00:54:53,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578805,578818] [2021-11-21 00:54:53,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578970,578983] [2021-11-21 00:54:53,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579135,579148] [2021-11-21 00:54:53,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579301,579314] [2021-11-21 00:54:53,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579466,579479] [2021-11-21 00:54:53,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579633,579646] [2021-11-21 00:54:53,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579793,579806] [2021-11-21 00:54:53,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579955,579968] [2021-11-21 00:54:53,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580114,580127] [2021-11-21 00:54:53,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580260,580273] [2021-11-21 00:54:53,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580403,580416] [2021-11-21 00:54:53,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580547,580560] [2021-11-21 00:54:53,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580690,580703] [2021-11-21 00:54:53,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580834,580847] [2021-11-21 00:54:53,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580975,580988] [2021-11-21 00:54:53,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581113,581126] [2021-11-21 00:54:53,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581271,581284] [2021-11-21 00:54:53,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581430,581443] [2021-11-21 00:54:53,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581586,581599] [2021-11-21 00:54:53,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581735,581748] [2021-11-21 00:54:53,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581887,581900] [2021-11-21 00:54:53,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582038,582051] [2021-11-21 00:54:53,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582187,582200] [2021-11-21 00:54:53,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582339,582352] [2021-11-21 00:54:53,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582487,582500] [2021-11-21 00:54:53,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582640,582653] [2021-11-21 00:54:53,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582791,582804] [2021-11-21 00:54:53,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582941,582954] [2021-11-21 00:54:53,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583088,583101] [2021-11-21 00:54:53,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583239,583252] [2021-11-21 00:54:53,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583390,583403] [2021-11-21 00:54:53,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583538,583551] [2021-11-21 00:54:53,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583704,583717] [2021-11-21 00:54:53,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583873,583886] [2021-11-21 00:54:53,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584040,584053] [2021-11-21 00:54:53,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584208,584221] [2021-11-21 00:54:53,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584358,584371] [2021-11-21 00:54:53,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584505,584518] [2021-11-21 00:54:53,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584666,584679] [2021-11-21 00:54:53,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584836,584849] [2021-11-21 00:54:53,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584998,585011] [2021-11-21 00:54:53,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:54:53,127 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:54:53,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571610,571623] [2021-11-21 00:54:53,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571755,571768] [2021-11-21 00:54:53,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571901,571914] [2021-11-21 00:54:53,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572066,572079] [2021-11-21 00:54:53,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572224,572237] [2021-11-21 00:54:53,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572382,572395] [2021-11-21 00:54:53,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572540,572553] [2021-11-21 00:54:53,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572700,572713] [2021-11-21 00:54:53,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572859,572872] [2021-11-21 00:54:53,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572998,573011] [2021-11-21 00:54:53,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573140,573153] [2021-11-21 00:54:53,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573289,573302] [2021-11-21 00:54:53,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573428,573441] [2021-11-21 00:54:53,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573583,573596] [2021-11-21 00:54:53,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573743,573756] [2021-11-21 00:54:53,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573894,573907] [2021-11-21 00:54:53,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574045,574058] [2021-11-21 00:54:53,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574197,574210] [2021-11-21 00:54:53,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574346,574359] [2021-11-21 00:54:53,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574494,574507] [2021-11-21 00:54:53,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574651,574664] [2021-11-21 00:54:53,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574800,574813] [2021-11-21 00:54:53,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574956,574969] [2021-11-21 00:54:53,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575109,575122] [2021-11-21 00:54:53,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575255,575268] [2021-11-21 00:54:53,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575398,575411] [2021-11-21 00:54:53,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575550,575563] [2021-11-21 00:54:53,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575696,575709] [2021-11-21 00:54:53,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575841,575854] [2021-11-21 00:54:53,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575995,576008] [2021-11-21 00:54:53,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576146,576159] [2021-11-21 00:54:53,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576301,576314] [2021-11-21 00:54:53,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576453,576466] [2021-11-21 00:54:53,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576608,576621] [2021-11-21 00:54:53,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576772,576785] [2021-11-21 00:54:53,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576928,576941] [2021-11-21 00:54:53,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577092,577105] [2021-11-21 00:54:53,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577234,577247] [2021-11-21 00:54:53,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577392,577405] [2021-11-21 00:54:53,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577559,577572] [2021-11-21 00:54:53,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577718,577731] [2021-11-21 00:54:53,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577877,577890] [2021-11-21 00:54:53,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578026,578039] [2021-11-21 00:54:53,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578173,578186] [2021-11-21 00:54:53,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578312,578325] [2021-11-21 00:54:53,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578475,578488] [2021-11-21 00:54:53,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578641,578654] [2021-11-21 00:54:53,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578805,578818] [2021-11-21 00:54:53,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578970,578983] [2021-11-21 00:54:53,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579135,579148] [2021-11-21 00:54:53,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579301,579314] [2021-11-21 00:54:53,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579466,579479] [2021-11-21 00:54:53,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579633,579646] [2021-11-21 00:54:53,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579793,579806] [2021-11-21 00:54:53,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579955,579968] [2021-11-21 00:54:53,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580114,580127] [2021-11-21 00:54:53,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580260,580273] [2021-11-21 00:54:53,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580403,580416] [2021-11-21 00:54:53,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580547,580560] [2021-11-21 00:54:53,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580690,580703] [2021-11-21 00:54:53,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580834,580847] [2021-11-21 00:54:53,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580975,580988] [2021-11-21 00:54:53,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581113,581126] [2021-11-21 00:54:53,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581271,581284] [2021-11-21 00:54:53,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581430,581443] [2021-11-21 00:54:53,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581586,581599] [2021-11-21 00:54:53,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581735,581748] [2021-11-21 00:54:53,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581887,581900] [2021-11-21 00:54:53,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582038,582051] [2021-11-21 00:54:53,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582187,582200] [2021-11-21 00:54:53,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582339,582352] [2021-11-21 00:54:53,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582487,582500] [2021-11-21 00:54:53,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582640,582653] [2021-11-21 00:54:53,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582791,582804] [2021-11-21 00:54:53,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582941,582954] [2021-11-21 00:54:53,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583088,583101] [2021-11-21 00:54:53,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583239,583252] [2021-11-21 00:54:53,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583390,583403] [2021-11-21 00:54:53,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583538,583551] [2021-11-21 00:54:53,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583704,583717] [2021-11-21 00:54:53,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583873,583886] [2021-11-21 00:54:53,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584040,584053] [2021-11-21 00:54:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584208,584221] [2021-11-21 00:54:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584358,584371] [2021-11-21 00:54:53,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584505,584518] [2021-11-21 00:54:53,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584666,584679] [2021-11-21 00:54:53,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584836,584849] [2021-11-21 00:54:53,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584998,585011] [2021-11-21 00:54:53,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:54:54,237 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:54:54,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54 WrapperNode [2021-11-21 00:54:54,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:54:54,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:54:54,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:54:54,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:54:54,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:54,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:54,881 INFO L137 Inliner]: procedures = 698, calls = 5979, calls flagged for inlining = 308, calls inlined = 229, statements flattened = 12099 [2021-11-21 00:54:54,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:54:54,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:54:54,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:54:54,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:54:54,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:54,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:54:55,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:54:55,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:54:55,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:54:55,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (1/1) ... [2021-11-21 00:54:55,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:54:55,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:54:55,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:54:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:54:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2021-11-21 00:54:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2021-11-21 00:54:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2021-11-21 00:54:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2021-11-21 00:54:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-21 00:54:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:54:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:54:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2021-11-21 00:54:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2021-11-21 00:54:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:54:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:54:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:54:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-21 00:54:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-21 00:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-21 00:54:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-21 00:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:54:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 00:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 00:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2021-11-21 00:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2021-11-21 00:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2021-11-21 00:54:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2021-11-21 00:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:54:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:54:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:54:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2021-11-21 00:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2021-11-21 00:54:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2021-11-21 00:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2021-11-21 00:54:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-21 00:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-21 00:54:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2021-11-21 00:54:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2021-11-21 00:54:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:54:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:54:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:54:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:54:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:54:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:54:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:54:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2021-11-21 00:54:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2021-11-21 00:54:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2021-11-21 00:54:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2021-11-21 00:54:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:54:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:54:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:54:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:54:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:54:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_isa_register_driver [2021-11-21 00:54:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_isa_register_driver [2021-11-21 00:54:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2021-11-21 00:54:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2021-11-21 00:54:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:54:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:54:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-21 00:54:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-21 00:54:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:54:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2021-11-21 00:54:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2021-11-21 00:54:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:54:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:54:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:54:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:54:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:54:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:54:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:54:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:54:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:54:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:54:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:54:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 00:54:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 00:54:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2021-11-21 00:54:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2021-11-21 00:54:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:54:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:54:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:54:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:54:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2021-11-21 00:54:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2021-11-21 00:54:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:54:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:54:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:54:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:54:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host [2021-11-21 00:54:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host [2021-11-21 00:54:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:54:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:54:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:54:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:54:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2021-11-21 00:54:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2021-11-21 00:54:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2021-11-21 00:54:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2021-11-21 00:54:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2021-11-21 00:54:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2021-11-21 00:54:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2021-11-21 00:54:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2021-11-21 00:54:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2021-11-21 00:54:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2021-11-21 00:54:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:54:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:54:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-21 00:54:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-21 00:54:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_scsi_host_template_instance_4 [2021-11-21 00:54:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_scsi_host_template_instance_4 [2021-11-21 00:54:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-21 00:54:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-21 00:54:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:54:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:54:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:54:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-21 00:54:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-21 00:54:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:54:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2021-11-21 00:54:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2021-11-21 00:54:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:54:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:54:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:54:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:54:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:54:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2021-11-21 00:54:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2021-11-21 00:54:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2021-11-21 00:54:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2021-11-21 00:54:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:54:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:54:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-21 00:54:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-21 00:54:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2021-11-21 00:54:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2021-11-21 00:54:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:54:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:54:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2021-11-21 00:54:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2021-11-21 00:54:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_107 [2021-11-21 00:54:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_107 [2021-11-21 00:54:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2021-11-21 00:54:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2021-11-21 00:54:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:54:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:54:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_slave_configure [2021-11-21 00:54:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_slave_configure [2021-11-21 00:54:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2021-11-21 00:54:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2021-11-21 00:54:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 00:54:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 00:54:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:54:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:54:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-21 00:54:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-21 00:54:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-21 00:54:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-21 00:54:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2021-11-21 00:54:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2021-11-21 00:54:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 00:54:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 00:54:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2021-11-21 00:54:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2021-11-21 00:54:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2021-11-21 00:54:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2021-11-21 00:54:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:54:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:54:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:54:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:54:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:54:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:54:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2021-11-21 00:54:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2021-11-21 00:54:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:54:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:54:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_host_lock_of_Scsi_Host [2021-11-21 00:54:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_host_lock_of_Scsi_Host [2021-11-21 00:54:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2021-11-21 00:54:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2021-11-21 00:54:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_isa_unregister_driver_120 [2021-11-21 00:54:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_isa_unregister_driver_120 [2021-11-21 00:54:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-21 00:54:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-21 00:54:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2021-11-21 00:54:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2021-11-21 00:54:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2021-11-21 00:54:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2021-11-21 00:54:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 00:54:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-21 00:54:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_instance_probe_4_10 [2021-11-21 00:54:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_instance_probe_4_10 [2021-11-21 00:54:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-21 00:54:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-21 00:54:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 00:54:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 00:54:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2021-11-21 00:54:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2021-11-21 00:54:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2021-11-21 00:54:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2021-11-21 00:54:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:54:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:54:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2021-11-21 00:54:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2021-11-21 00:54:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:54:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:54:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:54:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:54:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:54:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:54:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:54:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2021-11-21 00:54:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2021-11-21 00:54:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2021-11-21 00:54:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2021-11-21 00:54:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2021-11-21 00:54:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2021-11-21 00:54:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:54:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2021-11-21 00:54:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2021-11-21 00:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2021-11-21 00:54:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2021-11-21 00:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2021-11-21 00:54:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2021-11-21 00:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 00:54:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 00:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-21 00:54:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-21 00:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2021-11-21 00:54:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2021-11-21 00:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2021-11-21 00:54:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2021-11-21 00:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:54:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:54:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-21 00:54:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-21 00:54:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 00:54:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 00:54:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:54:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:54:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:54:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:54:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-21 00:54:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-21 00:54:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-21 00:54:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-21 00:54:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2021-11-21 00:54:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2021-11-21 00:54:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:54:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:54:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 00:54:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 00:54:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 00:54:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 00:54:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:54:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:54:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-21 00:54:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-21 00:54:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc [2021-11-21 00:54:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc [2021-11-21 00:54:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-21 00:54:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-21 00:54:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2021-11-21 00:54:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2021-11-21 00:54:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:54:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:54:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:54:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:54:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:54:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:54:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2021-11-21 00:54:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2021-11-21 00:54:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:54:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:54:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-21 00:54:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-21 00:54:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:54:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:54:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_reset [2021-11-21 00:54:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_reset [2021-11-21 00:54:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2021-11-21 00:54:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2021-11-21 00:54:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:54:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2021-11-21 00:54:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2021-11-21 00:54:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2021-11-21 00:54:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2021-11-21 00:54:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:54:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:54:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:54:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:54:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:54:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:54:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_eisa_probe [2021-11-21 00:54:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_eisa_probe [2021-11-21 00:54:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2021-11-21 00:54:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2021-11-21 00:54:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2021-11-21 00:54:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2021-11-21 00:54:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_instance_release_4_2 [2021-11-21 00:54:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_instance_release_4_2 [2021-11-21 00:54:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2021-11-21 00:54:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2021-11-21 00:54:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2021-11-21 00:54:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2021-11-21 00:54:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:54:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:54:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2021-11-21 00:54:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2021-11-21 00:54:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2021-11-21 00:54:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2021-11-21 00:54:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2021-11-21 00:54:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2021-11-21 00:54:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:54:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:54:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2021-11-21 00:54:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2021-11-21 00:54:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-21 00:54:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-21 00:54:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2021-11-21 00:54:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2021-11-21 00:54:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-21 00:54:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-21 00:54:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2021-11-21 00:54:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2021-11-21 00:54:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:54:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-21 00:54:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-21 00:54:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-21 00:54:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-21 00:54:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-21 00:54:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-21 00:54:57,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:54:57,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:54:57,644 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:55:39,203 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:55:43,168 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:55:43,169 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 00:55:43,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:55:43 BoogieIcfgContainer [2021-11-21 00:55:43,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:55:43,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:55:43,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:55:43,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:55:43,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:54:46" (1/3) ... [2021-11-21 00:55:43,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175b6acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:55:43, skipping insertion in model container [2021-11-21 00:55:43,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:54:54" (2/3) ... [2021-11-21 00:55:43,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175b6acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:55:43, skipping insertion in model container [2021-11-21 00:55:43,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:55:43" (3/3) ... [2021-11-21 00:55:43,184 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-21 00:55:43,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:55:43,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-21 00:55:43,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:55:43,253 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:55:43,253 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-21 00:55:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 3439 states, 1959 states have (on average 1.3221031138335886) internal successors, (2590), 2073 states have internal predecessors, (2590), 1295 states have call successors, (1295), 161 states have call predecessors, (1295), 160 states have return successors, (1291), 1288 states have call predecessors, (1291), 1291 states have call successors, (1291) [2021-11-21 00:55:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 00:55:43,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:55:43,503 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:55:43,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:55:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:55:43,510 INFO L85 PathProgramCache]: Analyzing trace with hash 977095339, now seen corresponding path program 1 times [2021-11-21 00:55:43,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:55:43,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83248806] [2021-11-21 00:55:43,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:55:43,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:55:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:55:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:55:44,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:55:44,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83248806] [2021-11-21 00:55:44,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83248806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:55:44,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:55:44,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:55:44,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498665896] [2021-11-21 00:55:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:55:44,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:55:44,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:55:44,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:55:44,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:55:44,477 INFO L87 Difference]: Start difference. First operand has 3439 states, 1959 states have (on average 1.3221031138335886) internal successors, (2590), 2073 states have internal predecessors, (2590), 1295 states have call successors, (1295), 161 states have call predecessors, (1295), 160 states have return successors, (1291), 1288 states have call predecessors, (1291), 1291 states have call successors, (1291) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-21 00:55:47,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:49,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:52,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:54,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:55,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:55:57,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:00,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:02,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:06,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:08,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:10,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:12,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:14,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:15,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:21,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:31,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:34,489 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:36,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:38,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:40,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:56:46,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:56:46,166 INFO L93 Difference]: Finished difference Result 9654 states and 14866 transitions. [2021-11-21 00:56:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:56:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 58 [2021-11-21 00:56:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:56:46,245 INFO L225 Difference]: With dead ends: 9654 [2021-11-21 00:56:46,245 INFO L226 Difference]: Without dead ends: 6204 [2021-11-21 00:56:46,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:56:46,291 INFO L933 BasicCegarLoop]: 6170 mSDtfsCounter, 5778 mSDsluCounter, 7997 mSDsCounter, 0 mSdLazyCounter, 7838 mSolverCounterSat, 2612 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6733 SdHoareTripleChecker+Valid, 13405 SdHoareTripleChecker+Invalid, 10461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 7838 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:56:46,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6733 Valid, 13405 Invalid, 10461 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2612 Valid, 7838 Invalid, 11 Unknown, 0 Unchecked, 60.7s Time] [2021-11-21 00:56:46,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6204 states. [2021-11-21 00:56:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6204 to 5665. [2021-11-21 00:56:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 3172 states have (on average 1.2972887767969734) internal successors, (4115), 3351 states have internal predecessors, (4115), 2185 states have call successors, (2185), 270 states have call predecessors, (2185), 280 states have return successors, (2237), 2184 states have call predecessors, (2237), 2183 states have call successors, (2237) [2021-11-21 00:56:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 8537 transitions. [2021-11-21 00:56:47,018 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 8537 transitions. Word has length 58 [2021-11-21 00:56:47,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:56:47,019 INFO L470 AbstractCegarLoop]: Abstraction has 5665 states and 8537 transitions. [2021-11-21 00:56:47,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-21 00:56:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 8537 transitions. [2021-11-21 00:56:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 00:56:47,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:56:47,025 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:56:47,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:56:47,025 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:56:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:56:47,026 INFO L85 PathProgramCache]: Analyzing trace with hash 370338507, now seen corresponding path program 1 times [2021-11-21 00:56:47,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:56:47,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654079665] [2021-11-21 00:56:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:56:47,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:56:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:56:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:56:47,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:56:47,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654079665] [2021-11-21 00:56:47,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654079665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:56:47,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:56:47,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:56:47,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663371288] [2021-11-21 00:56:47,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:56:47,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:56:47,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:56:47,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:56:47,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:56:47,552 INFO L87 Difference]: Start difference. First operand 5665 states and 8537 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:56:50,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:52,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:54,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:56,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:56:58,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:04,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:08,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:10,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:12,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:14,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:57:17,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:17,650 INFO L93 Difference]: Finished difference Result 7428 states and 11131 transitions. [2021-11-21 00:57:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:57:17,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-21 00:57:17,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:17,716 INFO L225 Difference]: With dead ends: 7428 [2021-11-21 00:57:17,716 INFO L226 Difference]: Without dead ends: 7426 [2021-11-21 00:57:17,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:57:17,724 INFO L933 BasicCegarLoop]: 6525 mSDtfsCounter, 2899 mSDsluCounter, 11527 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 17211 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:17,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2906 Valid, 17211 Invalid, 1342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1335 Invalid, 7 Unknown, 0 Unchecked, 29.7s Time] [2021-11-21 00:57:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7426 states. [2021-11-21 00:57:18,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 7307. [2021-11-21 00:57:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7307 states, 4060 states have (on average 1.292857142857143) internal successors, (5249), 4275 states have internal predecessors, (5249), 2826 states have call successors, (2826), 383 states have call predecessors, (2826), 394 states have return successors, (2884), 2823 states have call predecessors, (2884), 2824 states have call successors, (2884) [2021-11-21 00:57:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7307 states to 7307 states and 10959 transitions. [2021-11-21 00:57:18,469 INFO L78 Accepts]: Start accepts. Automaton has 7307 states and 10959 transitions. Word has length 63 [2021-11-21 00:57:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:18,470 INFO L470 AbstractCegarLoop]: Abstraction has 7307 states and 10959 transitions. [2021-11-21 00:57:18,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:57:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7307 states and 10959 transitions. [2021-11-21 00:57:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 00:57:18,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:18,481 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:18,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:57:18,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:57:18,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1050406398, now seen corresponding path program 1 times [2021-11-21 00:57:18,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:18,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647009587] [2021-11-21 00:57:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:18,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:57:18,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:18,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647009587] [2021-11-21 00:57:18,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647009587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:18,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:18,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:57:18,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851564051] [2021-11-21 00:57:18,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:18,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:57:18,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:18,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:57:18,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:57:18,932 INFO L87 Difference]: Start difference. First operand 7307 states and 10959 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:57:21,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:23,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:26,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:28,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:30,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:36,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:39,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:41,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:43,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:45,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:57:47,550 INFO L93 Difference]: Finished difference Result 7326 states and 10971 transitions. [2021-11-21 00:57:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:57:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-21 00:57:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:57:47,616 INFO L225 Difference]: With dead ends: 7326 [2021-11-21 00:57:47,616 INFO L226 Difference]: Without dead ends: 7324 [2021-11-21 00:57:47,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:57:47,623 INFO L933 BasicCegarLoop]: 6521 mSDtfsCounter, 2896 mSDsluCounter, 11525 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 17203 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:57:47,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 17203 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1336 Invalid, 8 Unknown, 0 Unchecked, 28.2s Time] [2021-11-21 00:57:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2021-11-21 00:57:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 7305. [2021-11-21 00:57:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7305 states, 4059 states have (on average 1.2926829268292683) internal successors, (5247), 4273 states have internal predecessors, (5247), 2826 states have call successors, (2826), 383 states have call predecessors, (2826), 394 states have return successors, (2884), 2823 states have call predecessors, (2884), 2824 states have call successors, (2884) [2021-11-21 00:57:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7305 states to 7305 states and 10957 transitions. [2021-11-21 00:57:48,339 INFO L78 Accepts]: Start accepts. Automaton has 7305 states and 10957 transitions. Word has length 68 [2021-11-21 00:57:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:57:48,340 INFO L470 AbstractCegarLoop]: Abstraction has 7305 states and 10957 transitions. [2021-11-21 00:57:48,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:57:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7305 states and 10957 transitions. [2021-11-21 00:57:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 00:57:48,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:57:48,345 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:57:48,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:57:48,345 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:57:48,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:57:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1805296263, now seen corresponding path program 1 times [2021-11-21 00:57:48,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:57:48,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297553190] [2021-11-21 00:57:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:57:48,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:57:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:57:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:57:48,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:57:48,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297553190] [2021-11-21 00:57:48,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297553190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:57:48,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:57:48,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:57:48,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473117453] [2021-11-21 00:57:48,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:57:48,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:57:48,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:57:48,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:57:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:57:48,636 INFO L87 Difference]: Start difference. First operand 7305 states and 10957 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:57:51,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:53,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:55,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:57,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:57:58,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:00,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:03,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:06,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:10,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:13,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:15,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:17,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:19,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:58:22,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:22,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:58:22,973 INFO L93 Difference]: Finished difference Result 7324 states and 10969 transitions. [2021-11-21 00:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:58:22,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-21 00:58:22,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:58:23,030 INFO L225 Difference]: With dead ends: 7324 [2021-11-21 00:58:23,030 INFO L226 Difference]: Without dead ends: 7322 [2021-11-21 00:58:23,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:58:23,037 INFO L933 BasicCegarLoop]: 6519 mSDtfsCounter, 2893 mSDsluCounter, 11523 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2900 SdHoareTripleChecker+Valid, 17199 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:58:23,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2900 Valid, 17199 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1338 Invalid, 7 Unknown, 0 Unchecked, 34.0s Time] [2021-11-21 00:58:23,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7322 states. [2021-11-21 00:58:23,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7322 to 7303. [2021-11-21 00:58:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7303 states, 4058 states have (on average 1.2925086249383932) internal successors, (5245), 4271 states have internal predecessors, (5245), 2826 states have call successors, (2826), 383 states have call predecessors, (2826), 394 states have return successors, (2884), 2823 states have call predecessors, (2884), 2824 states have call successors, (2884) [2021-11-21 00:58:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 10955 transitions. [2021-11-21 00:58:23,726 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 10955 transitions. Word has length 73 [2021-11-21 00:58:23,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:58:23,728 INFO L470 AbstractCegarLoop]: Abstraction has 7303 states and 10955 transitions. [2021-11-21 00:58:23,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:58:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 10955 transitions. [2021-11-21 00:58:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 00:58:23,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:58:23,731 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:58:23,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:58:23,732 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:58:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:58:23,735 INFO L85 PathProgramCache]: Analyzing trace with hash -79180130, now seen corresponding path program 1 times [2021-11-21 00:58:23,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:58:23,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186232414] [2021-11-21 00:58:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:58:23,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:58:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:58:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:58:24,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:58:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186232414] [2021-11-21 00:58:24,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186232414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:58:24,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:58:24,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:58:24,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754813289] [2021-11-21 00:58:24,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:58:24,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:58:24,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:58:24,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:58:24,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:58:24,057 INFO L87 Difference]: Start difference. First operand 7303 states and 10955 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) [2021-11-21 00:58:26,797 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:28,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:31,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:34,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:37,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:41,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:42,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:47,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:50,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:52,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:54,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:58:56,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:58:58,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:59:01,074 INFO L93 Difference]: Finished difference Result 7611 states and 11368 transitions. [2021-11-21 00:59:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:59:01,075 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 78 [2021-11-21 00:59:01,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:59:01,124 INFO L225 Difference]: With dead ends: 7611 [2021-11-21 00:59:01,124 INFO L226 Difference]: Without dead ends: 7609 [2021-11-21 00:59:01,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:59:01,130 INFO L933 BasicCegarLoop]: 6812 mSDtfsCounter, 3206 mSDsluCounter, 11836 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 17785 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:59:01,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3212 Valid, 17785 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1377 Invalid, 7 Unknown, 0 Unchecked, 36.7s Time] [2021-11-21 00:59:01,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2021-11-21 00:59:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7591. [2021-11-21 00:59:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7591 states, 4208 states have (on average 1.288735741444867) internal successors, (5423), 4423 states have internal predecessors, (5423), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 00:59:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7591 states to 7591 states and 11355 transitions. [2021-11-21 00:59:01,837 INFO L78 Accepts]: Start accepts. Automaton has 7591 states and 11355 transitions. Word has length 78 [2021-11-21 00:59:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:59:01,838 INFO L470 AbstractCegarLoop]: Abstraction has 7591 states and 11355 transitions. [2021-11-21 00:59:01,838 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) [2021-11-21 00:59:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 7591 states and 11355 transitions. [2021-11-21 00:59:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 00:59:01,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:59:01,841 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:59:01,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:59:01,841 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:59:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:59:01,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1123101031, now seen corresponding path program 1 times [2021-11-21 00:59:01,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:59:01,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588126027] [2021-11-21 00:59:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:59:01,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:59:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:59:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:59:02,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:59:02,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588126027] [2021-11-21 00:59:02,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588126027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:59:02,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:59:02,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:59:02,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577071646] [2021-11-21 00:59:02,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:59:02,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:59:02,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:59:02,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:59:02,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:59:02,149 INFO L87 Difference]: Start difference. First operand 7591 states and 11355 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:59:04,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:06,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:08,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:10,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:12,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:14,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:16,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:23,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:27,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:30,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:32,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:34,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:36,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:59:38,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:59:41,157 INFO L93 Difference]: Finished difference Result 7609 states and 11366 transitions. [2021-11-21 00:59:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:59:41,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 83 [2021-11-21 00:59:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:59:41,189 INFO L225 Difference]: With dead ends: 7609 [2021-11-21 00:59:41,189 INFO L226 Difference]: Without dead ends: 7607 [2021-11-21 00:59:41,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:59:41,194 INFO L933 BasicCegarLoop]: 6810 mSDtfsCounter, 3203 mSDsluCounter, 11834 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 17781 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:59:41,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 17781 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1374 Invalid, 10 Unknown, 0 Unchecked, 38.7s Time] [2021-11-21 00:59:41,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2021-11-21 00:59:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 7589. [2021-11-21 00:59:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7589 states, 4207 states have (on average 1.288566674589969) internal successors, (5421), 4421 states have internal predecessors, (5421), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 00:59:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 11353 transitions. [2021-11-21 00:59:41,870 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 11353 transitions. Word has length 83 [2021-11-21 00:59:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:59:41,871 INFO L470 AbstractCegarLoop]: Abstraction has 7589 states and 11353 transitions. [2021-11-21 00:59:41,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:59:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 11353 transitions. [2021-11-21 00:59:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 00:59:41,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:59:41,880 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:59:41,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:59:41,881 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:59:41,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:59:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1679332504, now seen corresponding path program 1 times [2021-11-21 00:59:41,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:59:41,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259893504] [2021-11-21 00:59:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:59:41,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:59:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:59:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:59:42,215 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:59:42,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259893504] [2021-11-21 00:59:42,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259893504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:59:42,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:59:42,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:59:42,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775141974] [2021-11-21 00:59:42,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:59:42,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:59:42,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:59:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:59:42,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:59:42,217 INFO L87 Difference]: Start difference. First operand 7589 states and 11353 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:59:44,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:46,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:49,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:51,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:59:53,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:00,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:04,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:06,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:00:09,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:00:10,513 INFO L93 Difference]: Finished difference Result 7607 states and 11364 transitions. [2021-11-21 01:00:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:00:10,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 88 [2021-11-21 01:00:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:00:10,544 INFO L225 Difference]: With dead ends: 7607 [2021-11-21 01:00:10,544 INFO L226 Difference]: Without dead ends: 7605 [2021-11-21 01:00:10,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:00:10,547 INFO L933 BasicCegarLoop]: 6513 mSDtfsCounter, 2884 mSDsluCounter, 11513 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 17187 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:00:10,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 17187 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 8 Unknown, 0 Unchecked, 27.9s Time] [2021-11-21 01:00:10,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2021-11-21 01:00:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7587. [2021-11-21 01:00:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7587 states, 4206 states have (on average 1.2883975273418926) internal successors, (5419), 4419 states have internal predecessors, (5419), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 01:00:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7587 states to 7587 states and 11351 transitions. [2021-11-21 01:00:11,215 INFO L78 Accepts]: Start accepts. Automaton has 7587 states and 11351 transitions. Word has length 88 [2021-11-21 01:00:11,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:00:11,217 INFO L470 AbstractCegarLoop]: Abstraction has 7587 states and 11351 transitions. [2021-11-21 01:00:11,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 01:00:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7587 states and 11351 transitions. [2021-11-21 01:00:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 01:00:11,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:00:11,220 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:00:11,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:00:11,221 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:00:11,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:00:11,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1516220820, now seen corresponding path program 1 times [2021-11-21 01:00:11,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:00:11,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814748175] [2021-11-21 01:00:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:00:11,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:00:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:00:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:00:11,482 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:00:11,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814748175] [2021-11-21 01:00:11,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814748175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:00:11,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:00:11,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:00:11,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137206828] [2021-11-21 01:00:11,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:00:11,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:00:11,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:00:11,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:00:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:00:11,484 INFO L87 Difference]: Start difference. First operand 7587 states and 11351 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:00:14,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:16,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:18,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:20,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:22,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:23,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:24,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:26,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:29,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:31,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:35,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:39,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:43,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:45,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:47,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:49,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:00:52,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:00:52,501 INFO L93 Difference]: Finished difference Result 7605 states and 11362 transitions. [2021-11-21 01:00:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:00:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 93 [2021-11-21 01:00:52,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:00:52,534 INFO L225 Difference]: With dead ends: 7605 [2021-11-21 01:00:52,535 INFO L226 Difference]: Without dead ends: 7603 [2021-11-21 01:00:52,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:00:52,539 INFO L933 BasicCegarLoop]: 6511 mSDtfsCounter, 2885 mSDsluCounter, 11513 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 17179 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:00:52,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 17179 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1336 Invalid, 12 Unknown, 0 Unchecked, 40.7s Time] [2021-11-21 01:00:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7603 states. [2021-11-21 01:00:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7603 to 7585. [2021-11-21 01:00:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7585 states, 4205 states have (on average 1.288228299643282) internal successors, (5417), 4417 states have internal predecessors, (5417), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 01:00:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7585 states to 7585 states and 11349 transitions. [2021-11-21 01:00:53,269 INFO L78 Accepts]: Start accepts. Automaton has 7585 states and 11349 transitions. Word has length 93 [2021-11-21 01:00:53,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:00:53,270 INFO L470 AbstractCegarLoop]: Abstraction has 7585 states and 11349 transitions. [2021-11-21 01:00:53,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:00:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7585 states and 11349 transitions. [2021-11-21 01:00:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 01:00:53,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:00:53,275 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:00:53,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:00:53,275 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:00:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:00:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1094438039, now seen corresponding path program 1 times [2021-11-21 01:00:53,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:00:53,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525216735] [2021-11-21 01:00:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:00:53,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:00:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:00:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:00:53,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:00:53,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525216735] [2021-11-21 01:00:53,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525216735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:00:53,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:00:53,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:00:53,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994521369] [2021-11-21 01:00:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:00:53,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:00:53,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:00:53,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:00:53,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:00:53,585 INFO L87 Difference]: Start difference. First operand 7585 states and 11349 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:00:56,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:00:58,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:00,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:02,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:05,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:07,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:13,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:17,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:19,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:01:21,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:01:23,177 INFO L93 Difference]: Finished difference Result 7603 states and 11360 transitions. [2021-11-21 01:01:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:01:23,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 95 [2021-11-21 01:01:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:01:23,205 INFO L225 Difference]: With dead ends: 7603 [2021-11-21 01:01:23,205 INFO L226 Difference]: Without dead ends: 7601 [2021-11-21 01:01:23,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:01:23,210 INFO L933 BasicCegarLoop]: 6509 mSDtfsCounter, 2877 mSDsluCounter, 11509 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 17179 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:01:23,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 17179 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 8 Unknown, 0 Unchecked, 29.2s Time] [2021-11-21 01:01:23,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2021-11-21 01:01:23,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7583. [2021-11-21 01:01:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7583 states, 4204 states have (on average 1.2880589914367269) internal successors, (5415), 4415 states have internal predecessors, (5415), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 01:01:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7583 states to 7583 states and 11347 transitions. [2021-11-21 01:01:23,909 INFO L78 Accepts]: Start accepts. Automaton has 7583 states and 11347 transitions. Word has length 95 [2021-11-21 01:01:23,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:01:23,910 INFO L470 AbstractCegarLoop]: Abstraction has 7583 states and 11347 transitions. [2021-11-21 01:01:23,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 01:01:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 7583 states and 11347 transitions. [2021-11-21 01:01:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 01:01:23,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:23,915 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:01:23,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:01:23,915 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:01:23,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:23,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1685771319, now seen corresponding path program 1 times [2021-11-21 01:01:23,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:23,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031530219] [2021-11-21 01:01:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:23,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:01:24,217 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:24,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031530219] [2021-11-21 01:01:24,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031530219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:01:24,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:01:24,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:01:24,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120475328] [2021-11-21 01:01:24,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:01:24,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:01:24,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:01:24,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:01:24,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:01:24,220 INFO L87 Difference]: Start difference. First operand 7583 states and 11347 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:01:27,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:29,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:31,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:33,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:34,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:36,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:39,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:44,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:46,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:50,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:54,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:01:56,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:02:00,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:02:01,519 INFO L93 Difference]: Finished difference Result 7601 states and 11358 transitions. [2021-11-21 01:02:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:02:01,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2021-11-21 01:02:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:02:01,549 INFO L225 Difference]: With dead ends: 7601 [2021-11-21 01:02:01,550 INFO L226 Difference]: Without dead ends: 7599 [2021-11-21 01:02:01,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:02:01,555 INFO L933 BasicCegarLoop]: 6802 mSDtfsCounter, 3192 mSDsluCounter, 11824 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 17765 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:02:01,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3198 Valid, 17765 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1372 Invalid, 10 Unknown, 0 Unchecked, 36.9s Time] [2021-11-21 01:02:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7599 states. [2021-11-21 01:02:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7581. [2021-11-21 01:02:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7581 states, 4203 states have (on average 1.2878896026647633) internal successors, (5413), 4413 states have internal predecessors, (5413), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 01:02:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7581 states to 7581 states and 11345 transitions. [2021-11-21 01:02:02,224 INFO L78 Accepts]: Start accepts. Automaton has 7581 states and 11345 transitions. Word has length 100 [2021-11-21 01:02:02,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:02:02,225 INFO L470 AbstractCegarLoop]: Abstraction has 7581 states and 11345 transitions. [2021-11-21 01:02:02,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:02:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 7581 states and 11345 transitions. [2021-11-21 01:02:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 01:02:02,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:02:02,228 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:02:02,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:02:02,229 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:02:02,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:02:02,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1847360671, now seen corresponding path program 1 times [2021-11-21 01:02:02,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:02:02,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565766855] [2021-11-21 01:02:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:02:02,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:02:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:02:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:02:02,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:02:02,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565766855] [2021-11-21 01:02:02,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565766855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:02:02,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:02:02,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:02:02,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954683166] [2021-11-21 01:02:02,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:02:02,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:02:02,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:02:02,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:02:02,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:02:02,506 INFO L87 Difference]: Start difference. First operand 7581 states and 11345 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:02:05,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:07,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:08,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:10,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:12,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:14,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:16,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:18,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:21,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:27,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:31,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:33,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:02:37,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:38,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:02:38,469 INFO L93 Difference]: Finished difference Result 7599 states and 11356 transitions. [2021-11-21 01:02:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:02:38,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2021-11-21 01:02:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:02:38,495 INFO L225 Difference]: With dead ends: 7599 [2021-11-21 01:02:38,495 INFO L226 Difference]: Without dead ends: 7597 [2021-11-21 01:02:38,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:02:38,500 INFO L933 BasicCegarLoop]: 6505 mSDtfsCounter, 2873 mSDsluCounter, 11507 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 17171 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:02:38,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2880 Valid, 17171 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 9 Unknown, 0 Unchecked, 35.6s Time] [2021-11-21 01:02:38,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7597 states. [2021-11-21 01:02:39,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7597 to 7579. [2021-11-21 01:02:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 4202 states have (on average 1.2877201332698716) internal successors, (5411), 4411 states have internal predecessors, (5411), 2937 states have call successors, (2937), 411 states have call predecessors, (2937), 422 states have return successors, (2995), 2934 states have call predecessors, (2995), 2935 states have call successors, (2995) [2021-11-21 01:02:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 11343 transitions. [2021-11-21 01:02:39,165 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 11343 transitions. Word has length 105 [2021-11-21 01:02:39,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:02:39,165 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 11343 transitions. [2021-11-21 01:02:39,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:02:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 11343 transitions. [2021-11-21 01:02:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 01:02:39,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:02:39,169 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:02:39,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:02:39,170 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:02:39,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:02:39,170 INFO L85 PathProgramCache]: Analyzing trace with hash -663691487, now seen corresponding path program 1 times [2021-11-21 01:02:39,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:02:39,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841980715] [2021-11-21 01:02:39,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:02:39,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:02:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:02:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-21 01:02:39,439 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:02:39,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841980715] [2021-11-21 01:02:39,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841980715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:02:39,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:02:39,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:02:39,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40308228] [2021-11-21 01:02:39,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:02:39,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:02:39,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:02:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:02:39,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:02:39,441 INFO L87 Difference]: Start difference. First operand 7579 states and 11343 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:02:41,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:44,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:45,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:47,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:49,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:51,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:54,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:02:59,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:01,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:02,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:05,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:07,675 INFO L93 Difference]: Finished difference Result 19458 states and 29201 transitions. [2021-11-21 01:03:07,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:03:07,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2021-11-21 01:03:07,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:07,740 INFO L225 Difference]: With dead ends: 19458 [2021-11-21 01:03:07,740 INFO L226 Difference]: Without dead ends: 12032 [2021-11-21 01:03:07,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:03:07,796 INFO L933 BasicCegarLoop]: 6808 mSDtfsCounter, 3921 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3923 SdHoareTripleChecker+Valid, 11230 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:07,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3923 Valid, 11230 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 862 Invalid, 6 Unknown, 0 Unchecked, 27.6s Time] [2021-11-21 01:03:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12032 states. [2021-11-21 01:03:08,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12032 to 12007. [2021-11-21 01:03:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12007 states, 6651 states have (on average 1.2871748609231695) internal successors, (8561), 6967 states have internal predecessors, (8561), 4667 states have call successors, (4667), 645 states have call predecessors, (4667), 671 states have return successors, (4802), 4672 states have call predecessors, (4802), 4665 states have call successors, (4802) [2021-11-21 01:03:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12007 states to 12007 states and 18030 transitions. [2021-11-21 01:03:08,784 INFO L78 Accepts]: Start accepts. Automaton has 12007 states and 18030 transitions. Word has length 132 [2021-11-21 01:03:08,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:08,785 INFO L470 AbstractCegarLoop]: Abstraction has 12007 states and 18030 transitions. [2021-11-21 01:03:08,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 01:03:08,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12007 states and 18030 transitions. [2021-11-21 01:03:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 01:03:08,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:08,789 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:08,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 01:03:08,790 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:03:08,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash -9699119, now seen corresponding path program 1 times [2021-11-21 01:03:08,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:08,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909697500] [2021-11-21 01:03:08,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:08,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:03:09,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:09,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909697500] [2021-11-21 01:03:09,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909697500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:09,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:09,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:03:09,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796448526] [2021-11-21 01:03:09,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:09,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:03:09,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:09,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:03:09,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:03:09,065 INFO L87 Difference]: Start difference. First operand 12007 states and 18030 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:03:11,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:13,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:15,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:17,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:18,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:21,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:23,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:26,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:28,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:33,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:35,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:37,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:39,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:42,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:45,272 INFO L93 Difference]: Finished difference Result 12025 states and 18041 transitions. [2021-11-21 01:03:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:03:45,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2021-11-21 01:03:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:45,309 INFO L225 Difference]: With dead ends: 12025 [2021-11-21 01:03:45,309 INFO L226 Difference]: Without dead ends: 12023 [2021-11-21 01:03:45,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:03:45,316 INFO L933 BasicCegarLoop]: 6799 mSDtfsCounter, 3186 mSDsluCounter, 11824 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 17759 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:45,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3192 Valid, 17759 Invalid, 1386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1378 Invalid, 8 Unknown, 0 Unchecked, 35.6s Time] [2021-11-21 01:03:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12023 states. [2021-11-21 01:03:46,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12023 to 12005. [2021-11-21 01:03:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12005 states, 6650 states have (on average 1.2870676691729324) internal successors, (8559), 6965 states have internal predecessors, (8559), 4667 states have call successors, (4667), 645 states have call predecessors, (4667), 671 states have return successors, (4802), 4672 states have call predecessors, (4802), 4665 states have call successors, (4802) [2021-11-21 01:03:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12005 states to 12005 states and 18028 transitions. [2021-11-21 01:03:46,351 INFO L78 Accepts]: Start accepts. Automaton has 12005 states and 18028 transitions. Word has length 110 [2021-11-21 01:03:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:46,351 INFO L470 AbstractCegarLoop]: Abstraction has 12005 states and 18028 transitions. [2021-11-21 01:03:46,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:03:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12005 states and 18028 transitions. [2021-11-21 01:03:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 01:03:46,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:46,354 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:46,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 01:03:46,354 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:03:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:46,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1033918784, now seen corresponding path program 1 times [2021-11-21 01:03:46,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:46,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358163295] [2021-11-21 01:03:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:46,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:03:46,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:46,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358163295] [2021-11-21 01:03:46,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358163295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:46,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:46,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:03:46,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271420815] [2021-11-21 01:03:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:46,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:03:46,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:03:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:03:46,602 INFO L87 Difference]: Start difference. First operand 12005 states and 18028 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:03:49,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:51,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:53,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:54,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:56,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:03:58,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:01,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:03,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:04,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:07,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:08,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:13,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:15,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:18,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:04:19,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:22,280 INFO L93 Difference]: Finished difference Result 12023 states and 18039 transitions. [2021-11-21 01:04:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:04:22,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2021-11-21 01:04:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:22,331 INFO L225 Difference]: With dead ends: 12023 [2021-11-21 01:04:22,332 INFO L226 Difference]: Without dead ends: 12021 [2021-11-21 01:04:22,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:04:22,343 INFO L933 BasicCegarLoop]: 6797 mSDtfsCounter, 3183 mSDsluCounter, 11820 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 17755 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:22,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3189 Valid, 17755 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1376 Invalid, 8 Unknown, 0 Unchecked, 35.1s Time] [2021-11-21 01:04:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12021 states. [2021-11-21 01:04:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12021 to 12003. [2021-11-21 01:04:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12003 states, 6649 states have (on average 1.2869604451797263) internal successors, (8557), 6963 states have internal predecessors, (8557), 4667 states have call successors, (4667), 645 states have call predecessors, (4667), 671 states have return successors, (4802), 4672 states have call predecessors, (4802), 4665 states have call successors, (4802) [2021-11-21 01:04:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12003 states to 12003 states and 18026 transitions. [2021-11-21 01:04:23,573 INFO L78 Accepts]: Start accepts. Automaton has 12003 states and 18026 transitions. Word has length 115 [2021-11-21 01:04:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:23,574 INFO L470 AbstractCegarLoop]: Abstraction has 12003 states and 18026 transitions. [2021-11-21 01:04:23,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 01:04:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 12003 states and 18026 transitions. [2021-11-21 01:04:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 01:04:23,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:23,579 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:23,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 01:04:23,580 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:04:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:23,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1212199747, now seen corresponding path program 1 times [2021-11-21 01:04:23,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:23,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898720002] [2021-11-21 01:04:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:23,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-21 01:04:24,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:24,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898720002] [2021-11-21 01:04:24,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898720002] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:04:24,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640119041] [2021-11-21 01:04:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:24,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:04:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:04:24,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:04:24,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:04:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:25,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 4249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 01:04:25,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:04:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-21 01:04:26,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:04:26,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640119041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:26,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:04:26,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-21 01:04:26,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981147621] [2021-11-21 01:04:26,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:26,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:26,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:26,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:26,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:04:26,106 INFO L87 Difference]: Start difference. First operand 12003 states and 18026 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:04:28,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:30,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:32,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:34,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:36,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:38,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:41,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:45,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:48,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:50,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:04:52,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:55,555 INFO L93 Difference]: Finished difference Result 23895 states and 35938 transitions. [2021-11-21 01:04:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2021-11-21 01:04:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:55,609 INFO L225 Difference]: With dead ends: 23895 [2021-11-21 01:04:55,610 INFO L226 Difference]: Without dead ends: 12045 [2021-11-21 01:04:55,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:04:55,688 INFO L933 BasicCegarLoop]: 6811 mSDtfsCounter, 3903 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 11253 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:55,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3905 Valid, 11253 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 860 Invalid, 8 Unknown, 0 Unchecked, 28.6s Time] [2021-11-21 01:04:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12045 states. [2021-11-21 01:04:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12045 to 12022. [2021-11-21 01:04:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12022 states, 6657 states have (on average 1.2863151569776174) internal successors, (8563), 6974 states have internal predecessors, (8563), 4674 states have call successors, (4674), 649 states have call predecessors, (4674), 675 states have return successors, (4809), 4677 states have call predecessors, (4809), 4672 states have call successors, (4809) [2021-11-21 01:04:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12022 states to 12022 states and 18046 transitions. [2021-11-21 01:04:56,815 INFO L78 Accepts]: Start accepts. Automaton has 12022 states and 18046 transitions. Word has length 140 [2021-11-21 01:04:56,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:56,816 INFO L470 AbstractCegarLoop]: Abstraction has 12022 states and 18046 transitions. [2021-11-21 01:04:56,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 01:04:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12022 states and 18046 transitions. [2021-11-21 01:04:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 01:04:56,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:56,820 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:56,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:04:57,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-21 01:04:57,046 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:04:57,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:57,047 INFO L85 PathProgramCache]: Analyzing trace with hash 671538832, now seen corresponding path program 1 times [2021-11-21 01:04:57,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:57,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724120598] [2021-11-21 01:04:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:57,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-21 01:04:57,984 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:57,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724120598] [2021-11-21 01:04:57,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724120598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:57,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:57,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:04:57,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532488080] [2021-11-21 01:04:57,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:57,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:04:57,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:04:57,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:04:57,987 INFO L87 Difference]: Start difference. First operand 12022 states and 18046 transitions. Second operand has 12 states, 8 states have (on average 6.875) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-21 01:05:04,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:06,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:08,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:09,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:12,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:13,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:15,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:17,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:18,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:20,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:21,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:23,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:24,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:27,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:30,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:36,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:53,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:57,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:05:59,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:06:02,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:03,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:06,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:07,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:09,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:12,841 INFO L93 Difference]: Finished difference Result 24304 states and 36523 transitions. [2021-11-21 01:06:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:06:12,842 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 6.875) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) Word has length 134 [2021-11-21 01:06:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:12,899 INFO L225 Difference]: With dead ends: 24304 [2021-11-21 01:06:12,899 INFO L226 Difference]: Without dead ends: 12283 [2021-11-21 01:06:12,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-11-21 01:06:12,952 INFO L933 BasicCegarLoop]: 4655 mSDtfsCounter, 42 mSDsluCounter, 50502 mSDsCounter, 0 mSdLazyCounter, 5057 mSolverCounterSat, 17 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 51077 SdHoareTripleChecker+Invalid, 5084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5057 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:12,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 51077 Invalid, 5084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 5057 Invalid, 10 Unknown, 0 Unchecked, 73.7s Time] [2021-11-21 01:06:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12283 states. [2021-11-21 01:06:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12283 to 12052. [2021-11-21 01:06:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12052 states, 6677 states have (on average 1.285457540811742) internal successors, (8583), 6994 states have internal predecessors, (8583), 4684 states have call successors, (4684), 649 states have call predecessors, (4684), 675 states have return successors, (4819), 4687 states have call predecessors, (4819), 4682 states have call successors, (4819) [2021-11-21 01:06:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12052 states to 12052 states and 18086 transitions. [2021-11-21 01:06:13,988 INFO L78 Accepts]: Start accepts. Automaton has 12052 states and 18086 transitions. Word has length 134 [2021-11-21 01:06:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:13,989 INFO L470 AbstractCegarLoop]: Abstraction has 12052 states and 18086 transitions. [2021-11-21 01:06:13,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 6.875) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-21 01:06:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 12052 states and 18086 transitions. [2021-11-21 01:06:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 01:06:14,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:14,106 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:14,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 01:06:14,107 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:06:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:14,107 INFO L85 PathProgramCache]: Analyzing trace with hash -677205852, now seen corresponding path program 1 times [2021-11-21 01:06:14,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:14,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875413806] [2021-11-21 01:06:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:14,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-21 01:06:14,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:14,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875413806] [2021-11-21 01:06:14,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875413806] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:06:14,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526074888] [2021-11-21 01:06:14,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:14,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:06:14,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:06:14,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:06:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:16,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 4370 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 01:06:16,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-21 01:06:17,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:06:17,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526074888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:17,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:06:17,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2021-11-21 01:06:17,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066545168] [2021-11-21 01:06:17,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:17,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:06:17,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:06:17,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:06:17,387 INFO L87 Difference]: Start difference. First operand 12052 states and 18086 transitions. Second operand has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2021-11-21 01:06:23,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:25,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:28,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:29,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:31,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:33,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:35,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:36,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:38,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:39,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:40,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:42,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:43,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:46,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:06:49,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:11,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:16,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:18,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:07:20,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:21,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:23,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:07:31,229 INFO L93 Difference]: Finished difference Result 24324 states and 36541 transitions. [2021-11-21 01:07:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:07:31,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) Word has length 154 [2021-11-21 01:07:31,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:07:31,314 INFO L225 Difference]: With dead ends: 24324 [2021-11-21 01:07:31,314 INFO L226 Difference]: Without dead ends: 12273 [2021-11-21 01:07:31,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2021-11-21 01:07:31,423 INFO L933 BasicCegarLoop]: 4678 mSDtfsCounter, 39 mSDsluCounter, 50738 mSDsCounter, 0 mSdLazyCounter, 5093 mSolverCounterSat, 12 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 51318 SdHoareTripleChecker+Invalid, 5115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5093 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:07:31,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 51318 Invalid, 5115 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 5093 Invalid, 10 Unknown, 0 Unchecked, 72.2s Time] [2021-11-21 01:07:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12273 states. [2021-11-21 01:07:32,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12273 to 12082. [2021-11-21 01:07:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12082 states, 6697 states have (on average 1.2846050470359862) internal successors, (8603), 7014 states have internal predecessors, (8603), 4694 states have call successors, (4694), 649 states have call predecessors, (4694), 675 states have return successors, (4829), 4697 states have call predecessors, (4829), 4692 states have call successors, (4829) [2021-11-21 01:07:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12082 states to 12082 states and 18126 transitions. [2021-11-21 01:07:32,975 INFO L78 Accepts]: Start accepts. Automaton has 12082 states and 18126 transitions. Word has length 154 [2021-11-21 01:07:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:07:32,975 INFO L470 AbstractCegarLoop]: Abstraction has 12082 states and 18126 transitions. [2021-11-21 01:07:32,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2021-11-21 01:07:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12082 states and 18126 transitions. [2021-11-21 01:07:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 01:07:32,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:07:32,978 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:07:33,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:07:33,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b699794-7986-4995-8880-4144b2ab3c56/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-21 01:07:33,194 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 01:07:33,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:07:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash 174908238, now seen corresponding path program 1 times [2021-11-21 01:07:33,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:07:33,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376293864] [2021-11-21 01:07:33,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:07:33,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:07:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:07:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:07:33,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:07:33,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376293864] [2021-11-21 01:07:33,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376293864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:07:33,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:07:33,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:07:33,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746691464] [2021-11-21 01:07:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:07:33,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:07:33,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:07:33,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:07:33,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:07:33,816 INFO L87 Difference]: Start difference. First operand 12082 states and 18126 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 01:07:36,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:38,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:40,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:42,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:44,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:46,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:48,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:54,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:07:56,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:08:02,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:08:06,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []