./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--char--ipmi--ipmi_msghandler.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:23:54,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:23:54,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:23:54,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:23:54,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:23:54,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:23:54,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:23:54,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:23:54,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:23:54,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:23:54,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:23:54,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:23:54,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:23:54,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:23:54,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:23:54,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:23:54,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:23:54,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:23:54,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:23:54,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:23:54,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:23:54,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:23:54,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:23:54,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:23:54,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:23:54,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:23:54,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:23:54,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:23:54,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:23:54,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:23:54,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:23:54,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:23:54,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:23:54,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:23:54,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:23:54,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:23:54,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:23:54,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:23:54,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:23:54,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:23:54,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:23:54,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:23:54,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:23:54,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:23:54,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:23:54,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:23:54,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:23:54,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:23:54,602 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:23:54,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:23:54,602 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:23:54,603 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:23:54,604 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:23:54,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:23:54,604 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:23:54,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:23:54,604 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:23:54,605 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:23:54,605 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:23:54,605 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:23:54,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:23:54,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:23:54,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:23:54,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:23:54,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:23:54,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:23:54,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:23:54,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:23:54,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:23:54,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:23:54,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:23:54,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:23:54,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:23:54,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:23:54,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:23:54,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:23:54,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:23:54,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:23:54,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:23:54,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:23:54,612 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_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 [2021-11-25 19:23:54,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:23:54,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:23:54,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:23:54,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:23:54,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:23:54,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-25 19:23:55,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/data/b22235427/dbec30d2aa68420589ca50cdfbe5606f/FLAGf224ab148 [2021-11-25 19:23:56,186 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:23:56,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-25 19:23:56,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/data/b22235427/dbec30d2aa68420589ca50cdfbe5606f/FLAGf224ab148 [2021-11-25 19:23:56,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/data/b22235427/dbec30d2aa68420589ca50cdfbe5606f [2021-11-25 19:23:56,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:23:56,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:23:56,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:23:56,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:23:56,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:23:56,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:23:56" (1/1) ... [2021-11-25 19:23:56,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6232fd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:23:56, skipping insertion in model container [2021-11-25 19:23:56,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:23:56" (1/1) ... [2021-11-25 19:23:56,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:23:56,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:24:02,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-25 19:24:02,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-25 19:24:02,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-25 19:24:02,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-25 19:24:02,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-25 19:24:02,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-25 19:24:02,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-25 19:24:02,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-25 19:24:02,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-25 19:24:02,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-25 19:24:02,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-25 19:24:02,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-25 19:24:02,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-25 19:24:02,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-25 19:24:02,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-25 19:24:02,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-25 19:24:02,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-25 19:24:02,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-25 19:24:02,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-25 19:24:02,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-25 19:24:02,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-25 19:24:02,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-25 19:24:02,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-25 19:24:02,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-25 19:24:02,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-25 19:24:02,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-25 19:24:02,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-25 19:24:02,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-25 19:24:02,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-25 19:24:02,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-25 19:24:02,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-25 19:24:02,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-25 19:24:02,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-25 19:24:02,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-25 19:24:02,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-25 19:24:02,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-25 19:24:02,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-25 19:24:02,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-25 19:24:02,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-25 19:24:02,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-25 19:24:02,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-25 19:24:02,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-25 19:24:02,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-25 19:24:02,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-25 19:24:02,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-25 19:24:02,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-25 19:24:02,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-25 19:24:02,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-25 19:24:02,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-25 19:24:02,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-25 19:24:02,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-25 19:24:02,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-25 19:24:02,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-25 19:24:02,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-25 19:24:02,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-25 19:24:02,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-25 19:24:02,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-25 19:24:02,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-25 19:24:02,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-25 19:24:02,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-25 19:24:02,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-25 19:24:02,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-25 19:24:02,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-25 19:24:02,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-25 19:24:02,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-25 19:24:02,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-25 19:24:02,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-25 19:24:02,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-25 19:24:02,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-25 19:24:02,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-25 19:24:02,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-25 19:24:02,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-25 19:24:02,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-25 19:24:02,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-25 19:24:02,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-25 19:24:02,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-25 19:24:02,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-25 19:24:02,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-25 19:24:02,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-25 19:24:02,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-25 19:24:02,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-25 19:24:02,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-25 19:24:02,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-25 19:24:02,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-25 19:24:02,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-25 19:24:02,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-25 19:24:02,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-25 19:24:02,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-25 19:24:02,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:24:02,687 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:24:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-25 19:24:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-25 19:24:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-25 19:24:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-25 19:24:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-25 19:24:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-25 19:24:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-25 19:24:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-25 19:24:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-25 19:24:03,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-25 19:24:03,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-25 19:24:03,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-25 19:24:03,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-25 19:24:03,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-25 19:24:03,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-25 19:24:03,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-25 19:24:03,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-25 19:24:03,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-25 19:24:03,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-25 19:24:03,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-25 19:24:03,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-25 19:24:03,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-25 19:24:03,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-25 19:24:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-25 19:24:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-25 19:24:03,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-25 19:24:03,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-25 19:24:03,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-25 19:24:03,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-25 19:24:03,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-25 19:24:03,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-25 19:24:03,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-25 19:24:03,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-25 19:24:03,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-25 19:24:03,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-25 19:24:03,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-25 19:24:03,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-25 19:24:03,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-25 19:24:03,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-25 19:24:03,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-25 19:24:03,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-25 19:24:03,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-25 19:24:03,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-25 19:24:03,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-25 19:24:03,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-25 19:24:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-25 19:24:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-25 19:24:03,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-25 19:24:03,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-25 19:24:03,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-25 19:24:03,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-25 19:24:03,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-25 19:24:03,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-25 19:24:03,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-25 19:24:03,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-25 19:24:03,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-25 19:24:03,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-25 19:24:03,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-25 19:24:03,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-25 19:24:03,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-25 19:24:03,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-25 19:24:03,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-25 19:24:03,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-25 19:24:03,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-25 19:24:03,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-25 19:24:03,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-25 19:24:03,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-25 19:24:03,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-25 19:24:03,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-25 19:24:03,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-25 19:24:03,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-25 19:24:03,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-25 19:24:03,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-25 19:24:03,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-25 19:24:03,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-25 19:24:03,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-25 19:24:03,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-25 19:24:03,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-25 19:24:03,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-25 19:24:03,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-25 19:24:03,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-25 19:24:03,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-25 19:24:03,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-25 19:24:03,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-25 19:24:03,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-25 19:24:03,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-25 19:24:03,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-25 19:24:03,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-25 19:24:03,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:24:03,776 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:24:03,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03 WrapperNode [2021-11-25 19:24:03,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:24:03,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:24:03,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:24:03,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:24:03,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:03,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,218 INFO L137 Inliner]: procedures = 805, calls = 4362, calls flagged for inlining = 353, calls inlined = 186, statements flattened = 5763 [2021-11-25 19:24:04,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:24:04,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:24:04,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:24:04,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:24:04,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:24:04,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:24:04,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:24:04,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:24:04,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (1/1) ... [2021-11-25 19:24:04,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:24:04,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:24:04,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:24:04,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08593cfe-c782-4e29-b783-a7ab39c3d0b1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-11-25 19:24:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-11-25 19:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:24:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:24:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-11-25 19:24:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-11-25 19:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-11-25 19:24:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-11-25 19:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:24:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2021-11-25 19:24:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2021-11-25 19:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-25 19:24:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-25 19:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-25 19:24:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-25 19:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:24:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:24:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:24:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-25 19:24:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-25 19:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:24:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:24:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_195 [2021-11-25 19:24:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_195 [2021-11-25 19:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_194 [2021-11-25 19:24:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_194 [2021-11-25 19:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:24:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-11-25 19:24:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-11-25 19:24:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_15_2 [2021-11-25 19:24:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_15_2 [2021-11-25 19:24:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-25 19:24:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-25 19:24:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:24:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:24:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-25 19:24:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-25 19:24:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 19:24:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 19:24:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:24:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 19:24:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 19:24:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:24:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:24:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:24:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:24:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-25 19:24:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-25 19:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:24:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-25 19:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-25 19:24:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 19:24:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 19:24:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:24:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:24:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-25 19:24:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-25 19:24:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:24:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-11-25 19:24:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-11-25 19:24:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-25 19:24:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-25 19:24:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_145 [2021-11-25 19:24:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_145 [2021-11-25 19:24:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2021-11-25 19:24:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2021-11-25 19:24:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_137 [2021-11-25 19:24:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_137 [2021-11-25 19:24:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-25 19:24:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-25 19:24:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:24:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:24:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-25 19:24:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-25 19:24:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:24:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:24:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:24:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:24:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:24:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:24:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:24:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_110 [2021-11-25 19:24:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_110 [2021-11-25 19:24:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:24:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-11-25 19:24:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-11-25 19:24:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-11-25 19:24:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-11-25 19:24:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:24:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:24:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-25 19:24:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-25 19:24:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:24:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:24:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-11-25 19:24:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-11-25 19:24:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:24:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:24:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-25 19:24:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-25 19:24:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-25 19:24:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-25 19:24:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-11-25 19:24:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-11-25 19:24:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 19:24:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 19:24:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:24:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:24:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:24:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-11-25 19:24:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-11-25 19:24:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout_handler [2021-11-25 19:24:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout_handler [2021-11-25 19:24:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-25 19:24:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-25 19:24:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 19:24:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 19:24:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:24:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:24:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2021-11-25 19:24:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2021-11-25 19:24:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-25 19:24:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-25 19:24:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_179 [2021-11-25 19:24:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_179 [2021-11-25 19:24:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-25 19:24:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-25 19:24:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:24:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:24:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 19:24:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 19:24:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:24:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:24:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-25 19:24:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-25 19:24:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 19:24:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 19:24:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-11-25 19:24:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-11-25 19:24:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-25 19:24:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-25 19:24:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-25 19:24:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-25 19:24:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:24:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:24:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:24:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:24:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-25 19:24:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-25 19:24:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-11-25 19:24:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-11-25 19:24:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-25 19:24:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-25 19:24:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2021-11-25 19:24:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2021-11-25 19:24:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:24:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:24:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:24:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:24:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:24:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:24:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2021-11-25 19:24:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2021-11-25 19:24:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:24:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 19:24:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 19:24:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-25 19:24:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-25 19:24:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:24:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-25 19:24:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-25 19:24:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:24:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 19:24:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 19:24:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-25 19:24:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-25 19:24:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-25 19:24:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-25 19:24:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:24:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:24:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:24:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:24:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:24:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:24:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-25 19:24:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-25 19:24:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:24:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:24:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-25 19:24:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-25 19:24:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:24:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:24:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:24:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:24:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-11-25 19:24:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-11-25 19:24:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 19:24:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 19:24:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-25 19:24:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-25 19:24:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-25 19:24:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-25 19:24:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:24:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:24:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-25 19:24:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-25 19:24:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-25 19:24:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-25 19:24:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-11-25 19:24:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-11-25 19:24:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:24:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:24:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure channel_handler [2021-11-25 19:24:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_handler [2021-11-25 19:24:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-25 19:24:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-25 19:24:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-25 19:24:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:24:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:24:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:24:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:24:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:24:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-25 19:24:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-25 19:24:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 19:24:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 19:24:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:24:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:24:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-25 19:24:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-25 19:24:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-25 19:24:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-25 19:24:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 19:24:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 19:24:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:24:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:24:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:24:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:24:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:24:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 19:24:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 19:24:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-25 19:24:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-25 19:24:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-25 19:24:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-25 19:24:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 19:24:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 19:24:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:24:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:24:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:24:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:24:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:24:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:24:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:24:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:24:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 19:24:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 19:24:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-11-25 19:24:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-11-25 19:24:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:24:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:24:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-25 19:24:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-25 19:24:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-25 19:24:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-25 19:24:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-11-25 19:24:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-11-25 19:24:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-25 19:24:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-25 19:24:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_15 [2021-11-25 19:24:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_15 [2021-11-25 19:24:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:24:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:24:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-25 19:24:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-25 19:24:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:24:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:24:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-11-25 19:24:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-11-25 19:24:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-25 19:24:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-25 19:24:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 19:24:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 19:24:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:24:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:24:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:24:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-25 19:24:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-25 19:24:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 19:24:05,788 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:24:05,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:24:06,303 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:24:16,646 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:24:17,529 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:24:17,529 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:24:17,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:24:17 BoogieIcfgContainer [2021-11-25 19:24:17,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:24:17,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:24:17,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:24:17,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:24:17,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:23:56" (1/3) ... [2021-11-25 19:24:17,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9949c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:24:17, skipping insertion in model container [2021-11-25 19:24:17,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:24:03" (2/3) ... [2021-11-25 19:24:17,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9949c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:24:17, skipping insertion in model container [2021-11-25 19:24:17,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:24:17" (3/3) ... [2021-11-25 19:24:17,547 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-25 19:24:17,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:24:17,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2021-11-25 19:24:17,638 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:24:17,655 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:24:17,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2021-11-25 19:24:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 1759 states, 989 states have (on average 1.3326592517694642) internal successors, (1318), 1110 states have internal predecessors, (1318), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) [2021-11-25 19:24:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 19:24:17,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:17,733 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:17,734 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 30 more)] === [2021-11-25 19:24:17,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 71034492, now seen corresponding path program 1 times [2021-11-25 19:24:17,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:17,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73115876] [2021-11-25 19:24:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:17,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:18,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:18,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73115876] [2021-11-25 19:24:18,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73115876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:18,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:18,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:24:18,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183665113] [2021-11-25 19:24:18,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:18,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:24:18,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:18,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:24:18,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:18,591 INFO L87 Difference]: Start difference. First operand has 1759 states, 989 states have (on average 1.3326592517694642) internal successors, (1318), 1110 states have internal predecessors, (1318), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 19:24:26,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:24:28,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:24:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:31,097 INFO L93 Difference]: Finished difference Result 3989 states and 5867 transitions. [2021-11-25 19:24:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:24:31,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 42 [2021-11-25 19:24:31,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:31,163 INFO L225 Difference]: With dead ends: 3989 [2021-11-25 19:24:31,164 INFO L226 Difference]: Without dead ends: 2231 [2021-11-25 19:24:31,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:24:31,193 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 2708 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 2012 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 5880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2012 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:31,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2897 Valid, 2572 Invalid, 5880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2012 Valid, 3867 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2021-11-25 19:24:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-11-25 19:24:31,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2186. [2021-11-25 19:24:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 1216 states have (on average 1.2820723684210527) internal successors, (1559), 1356 states have internal predecessors, (1559), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3070 transitions. [2021-11-25 19:24:31,563 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3070 transitions. Word has length 42 [2021-11-25 19:24:31,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:31,566 INFO L470 AbstractCegarLoop]: Abstraction has 2186 states and 3070 transitions. [2021-11-25 19:24:31,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 19:24:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3070 transitions. [2021-11-25 19:24:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 19:24:31,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:31,570 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:31,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:24:31,571 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 30 more)] === [2021-11-25 19:24:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:31,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1348296543, now seen corresponding path program 1 times [2021-11-25 19:24:31,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:31,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070656855] [2021-11-25 19:24:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:32,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:32,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070656855] [2021-11-25 19:24:32,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070656855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:32,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:32,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:32,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976448009] [2021-11-25 19:24:32,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:32,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:32,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:32,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:32,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:32,038 INFO L87 Difference]: Start difference. First operand 2186 states and 3070 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:24:33,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:33,933 INFO L93 Difference]: Finished difference Result 2186 states and 3070 transitions. [2021-11-25 19:24:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:33,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2021-11-25 19:24:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:33,955 INFO L225 Difference]: With dead ends: 2186 [2021-11-25 19:24:33,955 INFO L226 Difference]: Without dead ends: 2184 [2021-11-25 19:24:33,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:33,960 INFO L933 BasicCegarLoop]: 2225 mSDtfsCounter, 2434 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:33,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 4450 Invalid, 447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:24:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2021-11-25 19:24:34,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2184. [2021-11-25 19:24:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 1215 states have (on average 1.2806584362139917) internal successors, (1556), 1354 states have internal predecessors, (1556), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 3067 transitions. [2021-11-25 19:24:34,130 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 3067 transitions. Word has length 43 [2021-11-25 19:24:34,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:34,131 INFO L470 AbstractCegarLoop]: Abstraction has 2184 states and 3067 transitions. [2021-11-25 19:24:34,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:24:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 3067 transitions. [2021-11-25 19:24:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 19:24:34,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:34,143 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:34,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:24:34,144 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 30 more)] === [2021-11-25 19:24:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1679557590, now seen corresponding path program 1 times [2021-11-25 19:24:34,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:34,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218710044] [2021-11-25 19:24:34,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:34,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:34,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:34,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218710044] [2021-11-25 19:24:34,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218710044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:34,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:34,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:34,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902107224] [2021-11-25 19:24:34,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:34,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:34,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:34,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:34,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:34,544 INFO L87 Difference]: Start difference. First operand 2184 states and 3067 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:24:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:36,438 INFO L93 Difference]: Finished difference Result 2184 states and 3067 transitions. [2021-11-25 19:24:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:36,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2021-11-25 19:24:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:36,459 INFO L225 Difference]: With dead ends: 2184 [2021-11-25 19:24:36,459 INFO L226 Difference]: Without dead ends: 2182 [2021-11-25 19:24:36,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:36,464 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 2431 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:36,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2433 Valid, 4446 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:24:36,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2021-11-25 19:24:36,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2182. [2021-11-25 19:24:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1214 states have (on average 1.2792421746293245) internal successors, (1553), 1352 states have internal predecessors, (1553), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3064 transitions. [2021-11-25 19:24:36,644 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3064 transitions. Word has length 48 [2021-11-25 19:24:36,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:36,645 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 3064 transitions. [2021-11-25 19:24:36,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:24:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3064 transitions. [2021-11-25 19:24:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:24:36,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:36,648 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:36,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:24:36,650 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 30 more)] === [2021-11-25 19:24:36,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:36,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2082750045, now seen corresponding path program 1 times [2021-11-25 19:24:36,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:36,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898509325] [2021-11-25 19:24:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:36,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:37,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:37,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898509325] [2021-11-25 19:24:37,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898509325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:37,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:37,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:37,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388211635] [2021-11-25 19:24:37,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:37,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:37,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:37,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:37,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:37,004 INFO L87 Difference]: Start difference. First operand 2182 states and 3064 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:24:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:38,955 INFO L93 Difference]: Finished difference Result 2182 states and 3064 transitions. [2021-11-25 19:24:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:38,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-25 19:24:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:38,978 INFO L225 Difference]: With dead ends: 2182 [2021-11-25 19:24:38,978 INFO L226 Difference]: Without dead ends: 2180 [2021-11-25 19:24:38,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:38,984 INFO L933 BasicCegarLoop]: 2221 mSDtfsCounter, 2428 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:38,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2430 Valid, 4442 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:24:38,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2021-11-25 19:24:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 2180. [2021-11-25 19:24:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 1213 states have (on average 1.277823577906018) internal successors, (1550), 1350 states have internal predecessors, (1550), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 3061 transitions. [2021-11-25 19:24:39,161 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 3061 transitions. Word has length 53 [2021-11-25 19:24:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:39,162 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 3061 transitions. [2021-11-25 19:24:39,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:24:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 3061 transitions. [2021-11-25 19:24:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 19:24:39,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:39,165 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:39,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:24:39,166 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 30 more)] === [2021-11-25 19:24:39,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:39,166 INFO L85 PathProgramCache]: Analyzing trace with hash -564086438, now seen corresponding path program 1 times [2021-11-25 19:24:39,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:39,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373255553] [2021-11-25 19:24:39,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:39,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:39,503 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:39,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373255553] [2021-11-25 19:24:39,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373255553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:39,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:39,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:39,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373168300] [2021-11-25 19:24:39,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:39,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:39,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:39,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:39,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:39,506 INFO L87 Difference]: Start difference. First operand 2180 states and 3061 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:24:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:41,125 INFO L93 Difference]: Finished difference Result 2180 states and 3061 transitions. [2021-11-25 19:24:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:41,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2021-11-25 19:24:41,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:41,145 INFO L225 Difference]: With dead ends: 2180 [2021-11-25 19:24:41,145 INFO L226 Difference]: Without dead ends: 2178 [2021-11-25 19:24:41,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:41,148 INFO L933 BasicCegarLoop]: 2219 mSDtfsCounter, 2425 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:41,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2427 Valid, 4438 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:24:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2021-11-25 19:24:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2178. [2021-11-25 19:24:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 1212 states have (on average 1.2764026402640265) internal successors, (1547), 1348 states have internal predecessors, (1547), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 3058 transitions. [2021-11-25 19:24:41,310 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 3058 transitions. Word has length 58 [2021-11-25 19:24:41,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:41,310 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 3058 transitions. [2021-11-25 19:24:41,311 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:24:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3058 transitions. [2021-11-25 19:24:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 19:24:41,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:41,314 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:41,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:24:41,315 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash -38363645, now seen corresponding path program 1 times [2021-11-25 19:24:41,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:41,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527091772] [2021-11-25 19:24:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:41,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:41,638 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:41,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527091772] [2021-11-25 19:24:41,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527091772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:41,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:41,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:41,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659528926] [2021-11-25 19:24:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:41,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:41,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:41,640 INFO L87 Difference]: Start difference. First operand 2178 states and 3058 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:24:43,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:43,479 INFO L93 Difference]: Finished difference Result 2178 states and 3058 transitions. [2021-11-25 19:24:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:43,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-25 19:24:43,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:43,502 INFO L225 Difference]: With dead ends: 2178 [2021-11-25 19:24:43,502 INFO L226 Difference]: Without dead ends: 2176 [2021-11-25 19:24:43,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:43,505 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 2422 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:43,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2424 Valid, 4434 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:24:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-25 19:24:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2176. [2021-11-25 19:24:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1211 states have (on average 1.2749793559042113) internal successors, (1544), 1346 states have internal predecessors, (1544), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3055 transitions. [2021-11-25 19:24:43,700 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3055 transitions. Word has length 63 [2021-11-25 19:24:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:43,702 INFO L470 AbstractCegarLoop]: Abstraction has 2176 states and 3055 transitions. [2021-11-25 19:24:43,703 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:24:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3055 transitions. [2021-11-25 19:24:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:24:43,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:43,705 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:43,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:24:43,706 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 30 more)] === [2021-11-25 19:24:43,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:43,706 INFO L85 PathProgramCache]: Analyzing trace with hash 294056382, now seen corresponding path program 1 times [2021-11-25 19:24:43,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:43,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263257059] [2021-11-25 19:24:43,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:43,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:43,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:43,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263257059] [2021-11-25 19:24:43,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263257059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:43,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:43,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:43,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331390513] [2021-11-25 19:24:43,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:43,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:43,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:43,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:43,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:43,967 INFO L87 Difference]: Start difference. First operand 2176 states and 3055 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:24:46,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:46,039 INFO L93 Difference]: Finished difference Result 2176 states and 3055 transitions. [2021-11-25 19:24:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:46,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 19:24:46,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:46,059 INFO L225 Difference]: With dead ends: 2176 [2021-11-25 19:24:46,059 INFO L226 Difference]: Without dead ends: 2174 [2021-11-25 19:24:46,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:46,062 INFO L933 BasicCegarLoop]: 2215 mSDtfsCounter, 2419 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:46,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2421 Valid, 4430 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:24:46,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2021-11-25 19:24:46,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2174. [2021-11-25 19:24:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1210 states have (on average 1.2735537190082644) internal successors, (1541), 1344 states have internal predecessors, (1541), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3052 transitions. [2021-11-25 19:24:46,336 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3052 transitions. Word has length 68 [2021-11-25 19:24:46,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:46,337 INFO L470 AbstractCegarLoop]: Abstraction has 2174 states and 3052 transitions. [2021-11-25 19:24:46,337 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:24:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3052 transitions. [2021-11-25 19:24:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:24:46,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:46,341 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:46,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:24:46,342 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 30 more)] === [2021-11-25 19:24:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:46,343 INFO L85 PathProgramCache]: Analyzing trace with hash 463767737, now seen corresponding path program 1 times [2021-11-25 19:24:46,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:46,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548627722] [2021-11-25 19:24:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:46,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:46,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:46,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548627722] [2021-11-25 19:24:46,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548627722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:46,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:46,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:46,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010458868] [2021-11-25 19:24:46,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:46,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:46,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:46,636 INFO L87 Difference]: Start difference. First operand 2174 states and 3052 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:24:48,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:48,595 INFO L93 Difference]: Finished difference Result 2174 states and 3052 transitions. [2021-11-25 19:24:48,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:48,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 19:24:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:48,617 INFO L225 Difference]: With dead ends: 2174 [2021-11-25 19:24:48,617 INFO L226 Difference]: Without dead ends: 2172 [2021-11-25 19:24:48,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:48,621 INFO L933 BasicCegarLoop]: 2213 mSDtfsCounter, 2416 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 4426 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:48,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2418 Valid, 4426 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:24:48,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-11-25 19:24:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2172. [2021-11-25 19:24:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 1209 states have (on average 1.272125723738627) internal successors, (1538), 1342 states have internal predecessors, (1538), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-25 19:24:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3049 transitions. [2021-11-25 19:24:48,795 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3049 transitions. Word has length 73 [2021-11-25 19:24:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:48,795 INFO L470 AbstractCegarLoop]: Abstraction has 2172 states and 3049 transitions. [2021-11-25 19:24:48,796 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:24:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3049 transitions. [2021-11-25 19:24:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:24:48,798 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:48,798 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] [2021-11-25 19:24:48,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:24:48,799 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash 629891453, now seen corresponding path program 1 times [2021-11-25 19:24:48,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:48,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052993101] [2021-11-25 19:24:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:48,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:24:49,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:49,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052993101] [2021-11-25 19:24:49,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052993101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:49,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:49,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:24:49,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98211070] [2021-11-25 19:24:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:49,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:24:49,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:24:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:49,225 INFO L87 Difference]: Start difference. First operand 2172 states and 3049 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:24:52,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:52,395 INFO L93 Difference]: Finished difference Result 3985 states and 5651 transitions. [2021-11-25 19:24:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:24:52,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 78 [2021-11-25 19:24:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:52,432 INFO L225 Difference]: With dead ends: 3985 [2021-11-25 19:24:52,432 INFO L226 Difference]: Without dead ends: 3983 [2021-11-25 19:24:52,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:24:52,438 INFO L933 BasicCegarLoop]: 2963 mSDtfsCounter, 2441 mSDsluCounter, 8846 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 11123 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:52,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 11123 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:24:52,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2021-11-25 19:24:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3829. [2021-11-25 19:24:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2157 states have (on average 1.2837273991655076) internal successors, (2769), 2378 states have internal predecessors, (2769), 1319 states have call successors, (1319), 329 states have call predecessors, (1319), 328 states have return successors, (1419), 1252 states have call predecessors, (1419), 1317 states have call successors, (1419) [2021-11-25 19:24:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5507 transitions. [2021-11-25 19:24:52,757 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5507 transitions. Word has length 78 [2021-11-25 19:24:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:52,759 INFO L470 AbstractCegarLoop]: Abstraction has 3829 states and 5507 transitions. [2021-11-25 19:24:52,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:24:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5507 transitions. [2021-11-25 19:24:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:24:52,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:52,767 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:52,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:24:52,768 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:52,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1903365595, now seen corresponding path program 1 times [2021-11-25 19:24:52,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:52,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559674328] [2021-11-25 19:24:52,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:52,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:53,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:53,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559674328] [2021-11-25 19:24:53,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559674328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:53,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:53,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:53,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157118186] [2021-11-25 19:24:53,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:53,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:53,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:53,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:53,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:53,036 INFO L87 Difference]: Start difference. First operand 3829 states and 5507 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:24:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:54,826 INFO L93 Difference]: Finished difference Result 3829 states and 5507 transitions. [2021-11-25 19:24:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:54,827 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, (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 [2021-11-25 19:24:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:54,883 INFO L225 Difference]: With dead ends: 3829 [2021-11-25 19:24:54,883 INFO L226 Difference]: Without dead ends: 3827 [2021-11-25 19:24:54,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:54,886 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 2417 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:54,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2419 Valid, 4418 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:24:54,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-11-25 19:24:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2021-11-25 19:24:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2156 states have (on average 1.2824675324675325) internal successors, (2765), 2376 states have internal predecessors, (2765), 1319 states have call successors, (1319), 329 states have call predecessors, (1319), 328 states have return successors, (1419), 1252 states have call predecessors, (1419), 1317 states have call successors, (1419) [2021-11-25 19:24:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5503 transitions. [2021-11-25 19:24:55,206 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5503 transitions. Word has length 78 [2021-11-25 19:24:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:55,207 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5503 transitions. [2021-11-25 19:24:55,207 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:24:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5503 transitions. [2021-11-25 19:24:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 19:24:55,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:55,210 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:55,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:24:55,211 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -441754179, now seen corresponding path program 1 times [2021-11-25 19:24:55,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:55,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398064581] [2021-11-25 19:24:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:55,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:24:55,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:55,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398064581] [2021-11-25 19:24:55,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398064581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:55,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:55,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:24:55,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414317505] [2021-11-25 19:24:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:55,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:24:55,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:55,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:24:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:24:55,479 INFO L87 Difference]: Start difference. First operand 3827 states and 5503 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-25 19:24:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:57,164 INFO L93 Difference]: Finished difference Result 7320 states and 10700 transitions. [2021-11-25 19:24:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:24:57,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 82 [2021-11-25 19:24:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:57,190 INFO L225 Difference]: With dead ends: 7320 [2021-11-25 19:24:57,190 INFO L226 Difference]: Without dead ends: 3845 [2021-11-25 19:24:57,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:24:57,214 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 13 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:57,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 4425 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:24:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3845 states. [2021-11-25 19:24:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3845 to 3837. [2021-11-25 19:24:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2164 states have (on average 1.2823475046210722) internal successors, (2775), 2383 states have internal predecessors, (2775), 1321 states have call successors, (1321), 329 states have call predecessors, (1321), 328 states have return successors, (1421), 1255 states have call predecessors, (1421), 1319 states have call successors, (1421) [2021-11-25 19:24:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5517 transitions. [2021-11-25 19:24:57,575 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5517 transitions. Word has length 82 [2021-11-25 19:24:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:57,576 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5517 transitions. [2021-11-25 19:24:57,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-25 19:24:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5517 transitions. [2021-11-25 19:24:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 19:24:57,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:57,579 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:24:57,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:24:57,579 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:57,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash -521577282, now seen corresponding path program 1 times [2021-11-25 19:24:57,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:57,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386706666] [2021-11-25 19:24:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:57,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:24:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:24:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:24:57,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:24:57,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386706666] [2021-11-25 19:24:57,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386706666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:24:57,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:24:57,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:24:57,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416062826] [2021-11-25 19:24:57,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:24:57,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:24:57,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:24:57,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:24:57,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:24:57,840 INFO L87 Difference]: Start difference. First operand 3837 states and 5517 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:24:59,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:24:59,526 INFO L93 Difference]: Finished difference Result 3837 states and 5517 transitions. [2021-11-25 19:24:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:24:59,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2021-11-25 19:24:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:24:59,547 INFO L225 Difference]: With dead ends: 3837 [2021-11-25 19:24:59,547 INFO L226 Difference]: Without dead ends: 3835 [2021-11-25 19:24:59,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:24:59,550 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 2409 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:24:59,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2411 Valid, 4418 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:24:59,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2021-11-25 19:24:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3835. [2021-11-25 19:24:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2163 states have (on average 1.281091077207582) internal successors, (2771), 2381 states have internal predecessors, (2771), 1321 states have call successors, (1321), 329 states have call predecessors, (1321), 328 states have return successors, (1421), 1255 states have call predecessors, (1421), 1319 states have call successors, (1421) [2021-11-25 19:24:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5513 transitions. [2021-11-25 19:24:59,954 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5513 transitions. Word has length 80 [2021-11-25 19:24:59,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:24:59,955 INFO L470 AbstractCegarLoop]: Abstraction has 3835 states and 5513 transitions. [2021-11-25 19:24:59,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:24:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5513 transitions. [2021-11-25 19:24:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 19:24:59,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:24:59,958 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] [2021-11-25 19:24:59,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:24:59,958 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:24:59,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:24:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1672538882, now seen corresponding path program 1 times [2021-11-25 19:24:59,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:24:59,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915992395] [2021-11-25 19:24:59,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:24:59,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:25:00,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:00,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915992395] [2021-11-25 19:25:00,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915992395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:00,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:00,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:25:00,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687413540] [2021-11-25 19:25:00,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:00,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:25:00,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:25:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:00,361 INFO L87 Difference]: Start difference. First operand 3835 states and 5513 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:25:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:03,473 INFO L93 Difference]: Finished difference Result 7308 states and 10861 transitions. [2021-11-25 19:25:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:25:03,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2021-11-25 19:25:03,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:03,517 INFO L225 Difference]: With dead ends: 7308 [2021-11-25 19:25:03,518 INFO L226 Difference]: Without dead ends: 7306 [2021-11-25 19:25:03,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:25:03,524 INFO L933 BasicCegarLoop]: 3021 mSDtfsCounter, 2427 mSDsluCounter, 8978 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 11287 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:03,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2432 Valid, 11287 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:25:03,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7306 states. [2021-11-25 19:25:04,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7306 to 6956. [2021-11-25 19:25:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6956 states, 3943 states have (on average 1.291656099416688) internal successors, (5093), 4340 states have internal predecessors, (5093), 2409 states have call successors, (2409), 586 states have call predecessors, (2409), 581 states have return successors, (2996), 2271 states have call predecessors, (2996), 2407 states have call successors, (2996) [2021-11-25 19:25:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6956 states to 6956 states and 10498 transitions. [2021-11-25 19:25:04,220 INFO L78 Accepts]: Start accepts. Automaton has 6956 states and 10498 transitions. Word has length 85 [2021-11-25 19:25:04,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:04,221 INFO L470 AbstractCegarLoop]: Abstraction has 6956 states and 10498 transitions. [2021-11-25 19:25:04,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:25:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6956 states and 10498 transitions. [2021-11-25 19:25:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 19:25:04,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:04,224 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:04,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:25:04,225 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 30 more)] === [2021-11-25 19:25:04,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:04,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1768406898, now seen corresponding path program 1 times [2021-11-25 19:25:04,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:04,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019181517] [2021-11-25 19:25:04,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:04,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:25:04,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:04,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019181517] [2021-11-25 19:25:04,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019181517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:04,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:04,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:25:04,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512494591] [2021-11-25 19:25:04,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:04,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:25:04,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:25:04,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:25:04,466 INFO L87 Difference]: Start difference. First operand 6956 states and 10498 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:25:07,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:07,311 INFO L93 Difference]: Finished difference Result 6956 states and 10498 transitions. [2021-11-25 19:25:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:25:07,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-25 19:25:07,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:07,347 INFO L225 Difference]: With dead ends: 6956 [2021-11-25 19:25:07,347 INFO L226 Difference]: Without dead ends: 6954 [2021-11-25 19:25:07,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:07,351 INFO L933 BasicCegarLoop]: 2207 mSDtfsCounter, 2408 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:07,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2410 Valid, 4414 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:25:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2021-11-25 19:25:07,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6954. [2021-11-25 19:25:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 3942 states have (on average 1.2909690512430239) internal successors, (5089), 4338 states have internal predecessors, (5089), 2409 states have call successors, (2409), 586 states have call predecessors, (2409), 581 states have return successors, (2996), 2271 states have call predecessors, (2996), 2407 states have call successors, (2996) [2021-11-25 19:25:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 10494 transitions. [2021-11-25 19:25:07,986 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 10494 transitions. Word has length 85 [2021-11-25 19:25:07,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:07,987 INFO L470 AbstractCegarLoop]: Abstraction has 6954 states and 10494 transitions. [2021-11-25 19:25:07,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:25:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 10494 transitions. [2021-11-25 19:25:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 19:25:07,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:07,990 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] [2021-11-25 19:25:07,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:25:07,990 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:07,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1417240319, now seen corresponding path program 1 times [2021-11-25 19:25:07,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:07,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435250534] [2021-11-25 19:25:07,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:07,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:25:08,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:08,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435250534] [2021-11-25 19:25:08,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435250534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:08,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:08,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 19:25:08,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431858583] [2021-11-25 19:25:08,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:08,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:25:08,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:25:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:25:08,461 INFO L87 Difference]: Start difference. First operand 6954 states and 10494 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 19:25:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:22,371 INFO L93 Difference]: Finished difference Result 16818 states and 26567 transitions. [2021-11-25 19:25:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:25:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 92 [2021-11-25 19:25:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:22,483 INFO L225 Difference]: With dead ends: 16818 [2021-11-25 19:25:22,483 INFO L226 Difference]: Without dead ends: 16816 [2021-11-25 19:25:22,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:25:22,496 INFO L933 BasicCegarLoop]: 2958 mSDtfsCounter, 4823 mSDsluCounter, 6610 mSDsCounter, 0 mSdLazyCounter, 8350 mSolverCounterSat, 2444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5196 SdHoareTripleChecker+Valid, 8866 SdHoareTripleChecker+Invalid, 10794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2444 IncrementalHoareTripleChecker+Valid, 8350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:22,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5196 Valid, 8866 Invalid, 10794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2444 Valid, 8350 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2021-11-25 19:25:22,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16816 states. [2021-11-25 19:25:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16816 to 16213. [2021-11-25 19:25:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16213 states, 9297 states have (on average 1.2994514359470797) internal successors, (12081), 10223 states have internal predecessors, (12081), 5291 states have call successors, (5291), 1409 states have call predecessors, (5291), 1603 states have return successors, (8269), 5143 states have call predecessors, (8269), 5289 states have call successors, (8269) [2021-11-25 19:25:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16213 states to 16213 states and 25641 transitions. [2021-11-25 19:25:24,105 INFO L78 Accepts]: Start accepts. Automaton has 16213 states and 25641 transitions. Word has length 92 [2021-11-25 19:25:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:24,105 INFO L470 AbstractCegarLoop]: Abstraction has 16213 states and 25641 transitions. [2021-11-25 19:25:24,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-25 19:25:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 16213 states and 25641 transitions. [2021-11-25 19:25:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 19:25:24,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:24,109 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] [2021-11-25 19:25:24,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:25:24,110 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:24,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:24,110 INFO L85 PathProgramCache]: Analyzing trace with hash 633579087, now seen corresponding path program 1 times [2021-11-25 19:25:24,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:24,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683084233] [2021-11-25 19:25:24,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:24,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:25:24,364 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:24,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683084233] [2021-11-25 19:25:24,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683084233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:24,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:24,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:25:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729243067] [2021-11-25 19:25:24,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:24,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:25:24,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:25:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:25:24,369 INFO L87 Difference]: Start difference. First operand 16213 states and 25641 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:25:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:27,103 INFO L93 Difference]: Finished difference Result 32369 states and 54703 transitions. [2021-11-25 19:25:27,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:25:27,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2021-11-25 19:25:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:27,218 INFO L225 Difference]: With dead ends: 32369 [2021-11-25 19:25:27,218 INFO L226 Difference]: Without dead ends: 16541 [2021-11-25 19:25:27,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:25:27,371 INFO L933 BasicCegarLoop]: 2220 mSDtfsCounter, 38 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 4420 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:27,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 4420 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:25:27,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16541 states. [2021-11-25 19:25:28,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16541 to 16331. [2021-11-25 19:25:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16331 states, 9395 states have (on average 1.2976051091005854) internal successors, (12191), 10293 states have internal predecessors, (12191), 5311 states have call successors, (5311), 1409 states have call predecessors, (5311), 1603 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-25 19:25:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16331 states to 16331 states and 25847 transitions. [2021-11-25 19:25:29,094 INFO L78 Accepts]: Start accepts. Automaton has 16331 states and 25847 transitions. Word has length 92 [2021-11-25 19:25:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:29,095 INFO L470 AbstractCegarLoop]: Abstraction has 16331 states and 25847 transitions. [2021-11-25 19:25:29,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:25:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 16331 states and 25847 transitions. [2021-11-25 19:25:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 19:25:29,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:29,098 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:29,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 19:25:29,098 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:29,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:29,099 INFO L85 PathProgramCache]: Analyzing trace with hash 233019667, now seen corresponding path program 1 times [2021-11-25 19:25:29,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:29,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726284588] [2021-11-25 19:25:29,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:29,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:25:29,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:29,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726284588] [2021-11-25 19:25:29,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726284588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:29,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:29,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:25:29,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701049052] [2021-11-25 19:25:29,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:29,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:25:29,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:29,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:25:29,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:25:29,336 INFO L87 Difference]: Start difference. First operand 16331 states and 25847 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:25:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:31,532 INFO L93 Difference]: Finished difference Result 16331 states and 25847 transitions. [2021-11-25 19:25:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:25:31,533 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, (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 90 [2021-11-25 19:25:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:31,610 INFO L225 Difference]: With dead ends: 16331 [2021-11-25 19:25:31,611 INFO L226 Difference]: Without dead ends: 16329 [2021-11-25 19:25:31,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:31,621 INFO L933 BasicCegarLoop]: 2204 mSDtfsCounter, 2405 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4408 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:31,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2407 Valid, 4408 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:25:31,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16329 states. [2021-11-25 19:25:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16329 to 16329. [2021-11-25 19:25:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16329 states, 9394 states have (on average 1.2973174366616989) internal successors, (12187), 10291 states have internal predecessors, (12187), 5311 states have call successors, (5311), 1409 states have call predecessors, (5311), 1603 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-25 19:25:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16329 states to 16329 states and 25843 transitions. [2021-11-25 19:25:32,999 INFO L78 Accepts]: Start accepts. Automaton has 16329 states and 25843 transitions. Word has length 90 [2021-11-25 19:25:33,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:33,000 INFO L470 AbstractCegarLoop]: Abstraction has 16329 states and 25843 transitions. [2021-11-25 19:25:33,000 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:25:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 16329 states and 25843 transitions. [2021-11-25 19:25:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 19:25:33,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:33,004 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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] [2021-11-25 19:25:33,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 19:25:33,004 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:33,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:33,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1078038478, now seen corresponding path program 1 times [2021-11-25 19:25:33,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:33,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314196566] [2021-11-25 19:25:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:33,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-25 19:25:33,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:33,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314196566] [2021-11-25 19:25:33,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314196566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:33,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:33,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:25:33,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707245017] [2021-11-25 19:25:33,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:33,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:25:33,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:33,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:25:33,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:33,276 INFO L87 Difference]: Start difference. First operand 16329 states and 25843 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:25:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:38,214 INFO L93 Difference]: Finished difference Result 16610 states and 26120 transitions. [2021-11-25 19:25:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:25:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2021-11-25 19:25:38,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:38,287 INFO L225 Difference]: With dead ends: 16610 [2021-11-25 19:25:38,287 INFO L226 Difference]: Without dead ends: 16608 [2021-11-25 19:25:38,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:25:38,298 INFO L933 BasicCegarLoop]: 4360 mSDtfsCounter, 2441 mSDsluCounter, 12027 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 15305 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:38,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 15305 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-25 19:25:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16608 states. [2021-11-25 19:25:39,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16608 to 16353. [2021-11-25 19:25:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16353 states, 9412 states have (on average 1.296748831279218) internal successors, (12205), 10309 states have internal predecessors, (12205), 5311 states have call successors, (5311), 1415 states have call predecessors, (5311), 1609 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-25 19:25:39,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16353 states to 16353 states and 25861 transitions. [2021-11-25 19:25:39,649 INFO L78 Accepts]: Start accepts. Automaton has 16353 states and 25861 transitions. Word has length 98 [2021-11-25 19:25:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:39,650 INFO L470 AbstractCegarLoop]: Abstraction has 16353 states and 25861 transitions. [2021-11-25 19:25:39,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:25:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 16353 states and 25861 transitions. [2021-11-25 19:25:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:25:39,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:39,655 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:39,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 19:25:39,655 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 30 more)] === [2021-11-25 19:25:39,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:39,656 INFO L85 PathProgramCache]: Analyzing trace with hash -887613241, now seen corresponding path program 1 times [2021-11-25 19:25:39,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:39,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780015378] [2021-11-25 19:25:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:39,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:25:39,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:39,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780015378] [2021-11-25 19:25:39,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780015378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:39,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:39,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:25:39,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326434196] [2021-11-25 19:25:39,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:39,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:25:39,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:39,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:25:39,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:25:39,905 INFO L87 Difference]: Start difference. First operand 16353 states and 25861 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 19:25:42,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:42,377 INFO L93 Difference]: Finished difference Result 16353 states and 25861 transitions. [2021-11-25 19:25:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:25:42,379 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, (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 [2021-11-25 19:25:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:42,444 INFO L225 Difference]: With dead ends: 16353 [2021-11-25 19:25:42,444 INFO L226 Difference]: Without dead ends: 16351 [2021-11-25 19:25:42,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:42,450 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 2402 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:42,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 4406 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:25:42,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16351 states. [2021-11-25 19:25:43,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16351 to 16351. [2021-11-25 19:25:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16351 states, 9411 states have (on average 1.2964615875039847) internal successors, (12201), 10307 states have internal predecessors, (12201), 5311 states have call successors, (5311), 1415 states have call predecessors, (5311), 1609 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-25 19:25:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16351 states to 16351 states and 25857 transitions. [2021-11-25 19:25:43,880 INFO L78 Accepts]: Start accepts. Automaton has 16351 states and 25857 transitions. Word has length 95 [2021-11-25 19:25:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:43,880 INFO L470 AbstractCegarLoop]: Abstraction has 16351 states and 25857 transitions. [2021-11-25 19:25:43,880 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 19:25:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 16351 states and 25857 transitions. [2021-11-25 19:25:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 19:25:43,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:43,885 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:43,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 19:25:43,886 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:43,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash -446618951, now seen corresponding path program 1 times [2021-11-25 19:25:43,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:43,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136942142] [2021-11-25 19:25:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:43,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 19:25:44,289 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:44,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136942142] [2021-11-25 19:25:44,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136942142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:44,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:44,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:25:44,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10350585] [2021-11-25 19:25:44,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:44,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:25:44,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:44,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:25:44,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:44,292 INFO L87 Difference]: Start difference. First operand 16351 states and 25857 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:25:47,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:25:49,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:49,019 INFO L93 Difference]: Finished difference Result 24577 states and 40301 transitions. [2021-11-25 19:25:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:25:49,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2021-11-25 19:25:49,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:49,113 INFO L225 Difference]: With dead ends: 24577 [2021-11-25 19:25:49,113 INFO L226 Difference]: Without dead ends: 24575 [2021-11-25 19:25:49,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:25:49,123 INFO L933 BasicCegarLoop]: 2618 mSDtfsCounter, 2287 mSDsluCounter, 7226 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 9251 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:49,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2292 Valid, 9251 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 19:25:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24575 states. [2021-11-25 19:25:50,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24575 to 24489. [2021-11-25 19:25:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24489 states, 14206 states have (on average 1.30135154160214) internal successors, (18487), 15524 states have internal predecessors, (18487), 7722 states have call successors, (7722), 2207 states have call predecessors, (7722), 2541 states have return successors, (13928), 7570 states have call predecessors, (13928), 7720 states have call successors, (13928) [2021-11-25 19:25:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24489 states to 24489 states and 40137 transitions. [2021-11-25 19:25:50,985 INFO L78 Accepts]: Start accepts. Automaton has 24489 states and 40137 transitions. Word has length 104 [2021-11-25 19:25:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:50,986 INFO L470 AbstractCegarLoop]: Abstraction has 24489 states and 40137 transitions. [2021-11-25 19:25:50,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:25:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24489 states and 40137 transitions. [2021-11-25 19:25:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 19:25:50,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:50,991 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:50,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 19:25:50,992 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:25:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1918952971, now seen corresponding path program 1 times [2021-11-25 19:25:50,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:50,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031592954] [2021-11-25 19:25:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:50,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:25:51,662 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:51,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031592954] [2021-11-25 19:25:51,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031592954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:51,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:51,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:25:51,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697573857] [2021-11-25 19:25:51,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:51,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:25:51,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:51,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:25:51,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:51,666 INFO L87 Difference]: Start difference. First operand 24489 states and 40137 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:25:56,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:25:56,230 INFO L93 Difference]: Finished difference Result 34211 states and 57938 transitions. [2021-11-25 19:25:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:25:56,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2021-11-25 19:25:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:25:56,381 INFO L225 Difference]: With dead ends: 34211 [2021-11-25 19:25:56,381 INFO L226 Difference]: Without dead ends: 34209 [2021-11-25 19:25:56,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:25:56,396 INFO L933 BasicCegarLoop]: 2605 mSDtfsCounter, 2335 mSDsluCounter, 7250 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 9285 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:25:56,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 9285 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:25:56,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34209 states. [2021-11-25 19:25:58,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34209 to 33477. [2021-11-25 19:25:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33477 states, 19448 states have (on average 1.3028589058000823) internal successors, (25338), 21270 states have internal predecessors, (25338), 10428 states have call successors, (10428), 3233 states have call predecessors, (10428), 3581 states have return successors, (19852), 10060 states have call predecessors, (19852), 10426 states have call successors, (19852) [2021-11-25 19:25:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33477 states to 33477 states and 55618 transitions. [2021-11-25 19:25:59,223 INFO L78 Accepts]: Start accepts. Automaton has 33477 states and 55618 transitions. Word has length 104 [2021-11-25 19:25:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:25:59,223 INFO L470 AbstractCegarLoop]: Abstraction has 33477 states and 55618 transitions. [2021-11-25 19:25:59,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:25:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 33477 states and 55618 transitions. [2021-11-25 19:25:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 19:25:59,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:25:59,228 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:25:59,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 19:25:59,229 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 30 more)] === [2021-11-25 19:25:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:25:59,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1463153248, now seen corresponding path program 1 times [2021-11-25 19:25:59,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:25:59,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989251213] [2021-11-25 19:25:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:25:59,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:25:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:25:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:25:59,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:25:59,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989251213] [2021-11-25 19:25:59,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989251213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:25:59,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:25:59,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:25:59,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394440340] [2021-11-25 19:25:59,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:25:59,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:25:59,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:25:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:25:59,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:25:59,841 INFO L87 Difference]: Start difference. First operand 33477 states and 55618 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:26:08,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:26:08,880 INFO L93 Difference]: Finished difference Result 34698 states and 58894 transitions. [2021-11-25 19:26:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:26:08,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 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 100 [2021-11-25 19:26:08,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:26:09,038 INFO L225 Difference]: With dead ends: 34698 [2021-11-25 19:26:09,038 INFO L226 Difference]: Without dead ends: 34696 [2021-11-25 19:26:09,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:26:09,056 INFO L933 BasicCegarLoop]: 2669 mSDtfsCounter, 2420 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 6823 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:26:09,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2646 Valid, 6823 Invalid, 3752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-11-25 19:26:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34696 states. [2021-11-25 19:26:11,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34696 to 33724. [2021-11-25 19:26:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33724 states, 19595 states have (on average 1.3005358509823934) internal successors, (25484), 21417 states have internal predecessors, (25484), 10452 states have call successors, (10452), 3257 states have call predecessors, (10452), 3657 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-25 19:26:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33724 states to 33724 states and 56084 transitions. [2021-11-25 19:26:11,740 INFO L78 Accepts]: Start accepts. Automaton has 33724 states and 56084 transitions. Word has length 100 [2021-11-25 19:26:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:26:11,741 INFO L470 AbstractCegarLoop]: Abstraction has 33724 states and 56084 transitions. [2021-11-25 19:26:11,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:26:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 33724 states and 56084 transitions. [2021-11-25 19:26:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 19:26:11,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:26:11,745 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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] [2021-11-25 19:26:11,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 19:26:11,746 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:26:11,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:26:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash 528059597, now seen corresponding path program 1 times [2021-11-25 19:26:11,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:26:11,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224439204] [2021-11-25 19:26:11,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:26:11,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:26:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:26:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-25 19:26:12,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:26:12,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224439204] [2021-11-25 19:26:12,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224439204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:26:12,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:26:12,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:26:12,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626220532] [2021-11-25 19:26:12,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:26:12,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:26:12,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:26:12,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:26:12,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:26:12,312 INFO L87 Difference]: Start difference. First operand 33724 states and 56084 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:26:16,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:26:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:26:19,876 INFO L93 Difference]: Finished difference Result 34174 states and 56529 transitions. [2021-11-25 19:26:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:26:19,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-11-25 19:26:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:26:20,010 INFO L225 Difference]: With dead ends: 34174 [2021-11-25 19:26:20,010 INFO L226 Difference]: Without dead ends: 34172 [2021-11-25 19:26:20,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:26:20,026 INFO L933 BasicCegarLoop]: 4289 mSDtfsCounter, 2438 mSDsluCounter, 11882 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 15089 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:26:20,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2443 Valid, 15089 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-25 19:26:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34172 states. [2021-11-25 19:26:22,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34172 to 33776. [2021-11-25 19:26:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33776 states, 19634 states have (on average 1.2998879494753999) internal successors, (25522), 21456 states have internal predecessors, (25522), 10452 states have call successors, (10452), 3270 states have call predecessors, (10452), 3670 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-25 19:26:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33776 states to 33776 states and 56122 transitions. [2021-11-25 19:26:22,837 INFO L78 Accepts]: Start accepts. Automaton has 33776 states and 56122 transitions. Word has length 108 [2021-11-25 19:26:22,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:26:22,837 INFO L470 AbstractCegarLoop]: Abstraction has 33776 states and 56122 transitions. [2021-11-25 19:26:22,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:26:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 33776 states and 56122 transitions. [2021-11-25 19:26:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 19:26:22,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:26:22,843 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:26:22,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 19:26:22,843 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 30 more)] === [2021-11-25 19:26:22,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:26:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1469552532, now seen corresponding path program 1 times [2021-11-25 19:26:22,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:26:22,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76723785] [2021-11-25 19:26:22,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:26:22,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:26:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:26:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:26:23,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:26:23,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76723785] [2021-11-25 19:26:23,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76723785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:26:23,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:26:23,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:26:23,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244869302] [2021-11-25 19:26:23,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:26:23,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:26:23,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:26:23,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:26:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:26:23,062 INFO L87 Difference]: Start difference. First operand 33776 states and 56122 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, (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) [2021-11-25 19:26:27,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:26:27,250 INFO L93 Difference]: Finished difference Result 33776 states and 56122 transitions. [2021-11-25 19:26:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:26:27,250 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, (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 [2021-11-25 19:26:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:26:27,406 INFO L225 Difference]: With dead ends: 33776 [2021-11-25 19:26:27,406 INFO L226 Difference]: Without dead ends: 33774 [2021-11-25 19:26:27,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:26:27,420 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 2398 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:26:27,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 4402 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:26:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33774 states. [2021-11-25 19:26:30,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33774 to 33774. [2021-11-25 19:26:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33774 states, 19633 states have (on average 1.2997504202108694) internal successors, (25518), 21454 states have internal predecessors, (25518), 10452 states have call successors, (10452), 3270 states have call predecessors, (10452), 3670 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-25 19:26:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33774 states to 33774 states and 56118 transitions. [2021-11-25 19:26:30,594 INFO L78 Accepts]: Start accepts. Automaton has 33774 states and 56118 transitions. Word has length 105 [2021-11-25 19:26:30,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:26:30,594 INFO L470 AbstractCegarLoop]: Abstraction has 33774 states and 56118 transitions. [2021-11-25 19:26:30,595 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, (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) [2021-11-25 19:26:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 33774 states and 56118 transitions. [2021-11-25 19:26:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 19:26:30,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:26:30,602 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:26:30,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 19:26:30,602 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 19:26:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:26:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1171760812, now seen corresponding path program 1 times [2021-11-25 19:26:30,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:26:30,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830524518] [2021-11-25 19:26:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:26:30,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:26:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:26:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:26:30,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:26:30,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830524518] [2021-11-25 19:26:30,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830524518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:26:30,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:26:30,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:26:30,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023472] [2021-11-25 19:26:30,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:26:30,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:26:30,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:26:30,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:26:30,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:26:30,827 INFO L87 Difference]: Start difference. First operand 33774 states and 56118 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, (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) [2021-11-25 19:26:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:26:34,424 INFO L93 Difference]: Finished difference Result 33774 states and 56118 transitions. [2021-11-25 19:26:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:26:34,425 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, (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 [2021-11-25 19:26:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:26:34,557 INFO L225 Difference]: With dead ends: 33774 [2021-11-25 19:26:34,557 INFO L226 Difference]: Without dead ends: 33772 [2021-11-25 19:26:34,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:26:34,573 INFO L933 BasicCegarLoop]: 2199 mSDtfsCounter, 2395 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:26:34,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2397 Valid, 4398 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:26:34,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33772 states.