./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cdd309eda0ec3d8fb282a1c78025fbcdf2ec7d45d2e6d31be9848f04f8f03e3d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:11:40,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:11:40,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:11:40,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:11:40,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:11:40,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:11:40,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:11:40,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:11:40,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:11:40,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:11:40,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:11:40,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:11:40,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:11:40,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:11:40,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:11:40,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:11:40,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:11:40,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:11:40,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:11:40,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:11:40,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:11:40,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:11:40,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:11:40,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:11:40,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:11:40,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:11:40,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:11:40,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:11:40,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:11:40,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:11:40,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:11:40,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:11:40,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:11:40,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:11:40,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:11:40,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:11:40,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:11:40,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:11:40,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:11:40,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:11:40,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:11:40,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:11:40,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:11:40,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:11:40,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:11:40,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:11:40,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:11:40,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:11:40,512 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:11:40,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:11:40,512 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:11:40,512 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:11:40,513 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:11:40,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:11:40,513 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:11:40,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:11:40,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:11:40,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:11:40,514 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:11:40,514 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:11:40,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:11:40,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:11:40,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:11:40,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:11:40,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:11:40,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:11:40,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:11:40,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:11:40,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:11:40,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:11:40,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:11:40,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:11:40,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:11:40,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:11:40,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:11:40,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:11:40,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:11:40,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:11:40,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:11:40,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:11:40,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdd309eda0ec3d8fb282a1c78025fbcdf2ec7d45d2e6d31be9848f04f8f03e3d [2022-11-22 01:11:40,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:11:40,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:11:40,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:11:40,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:11:40,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:11:40,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-22 01:11:44,057 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:11:45,008 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:11:45,008 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-22 01:11:45,096 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/data/db3d4dc94/38bcde8d41b841e182ea98289fef40a4/FLAGda081a746 [2022-11-22 01:11:45,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/data/db3d4dc94/38bcde8d41b841e182ea98289fef40a4 [2022-11-22 01:11:45,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:11:45,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:11:45,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:11:45,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:11:45,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:11:45,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:45" (1/1) ... [2022-11-22 01:11:45,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31498422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:45, skipping insertion in model container [2022-11-22 01:11:45,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:45" (1/1) ... [2022-11-22 01:11:45,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:11:45,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:11:53,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678224,678237] [2022-11-22 01:11:53,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678369,678382] [2022-11-22 01:11:53,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678515,678528] [2022-11-22 01:11:53,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678680,678693] [2022-11-22 01:11:53,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678838,678851] [2022-11-22 01:11:53,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678996,679009] [2022-11-22 01:11:53,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679154,679167] [2022-11-22 01:11:53,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679314,679327] [2022-11-22 01:11:53,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679473,679486] [2022-11-22 01:11:53,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679612,679625] [2022-11-22 01:11:53,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679754,679767] [2022-11-22 01:11:53,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679903,679916] [2022-11-22 01:11:53,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680042,680055] [2022-11-22 01:11:53,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680197,680210] [2022-11-22 01:11:53,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680357,680370] [2022-11-22 01:11:53,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680508,680521] [2022-11-22 01:11:53,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680659,680672] [2022-11-22 01:11:53,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680811,680824] [2022-11-22 01:11:53,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680960,680973] [2022-11-22 01:11:53,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681108,681121] [2022-11-22 01:11:53,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681265,681278] [2022-11-22 01:11:53,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681414,681427] [2022-11-22 01:11:53,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681570,681583] [2022-11-22 01:11:53,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681723,681736] [2022-11-22 01:11:53,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681869,681882] [2022-11-22 01:11:53,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682012,682025] [2022-11-22 01:11:53,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682164,682177] [2022-11-22 01:11:53,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682310,682323] [2022-11-22 01:11:53,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682455,682468] [2022-11-22 01:11:53,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682609,682622] [2022-11-22 01:11:53,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682760,682773] [2022-11-22 01:11:53,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682915,682928] [2022-11-22 01:11:53,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683067,683080] [2022-11-22 01:11:53,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683222,683235] [2022-11-22 01:11:53,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683386,683399] [2022-11-22 01:11:53,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683542,683555] [2022-11-22 01:11:53,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683706,683719] [2022-11-22 01:11:53,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683848,683861] [2022-11-22 01:11:53,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684006,684019] [2022-11-22 01:11:53,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684173,684186] [2022-11-22 01:11:53,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684332,684345] [2022-11-22 01:11:53,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684491,684504] [2022-11-22 01:11:53,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684640,684653] [2022-11-22 01:11:53,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684787,684800] [2022-11-22 01:11:53,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684926,684939] [2022-11-22 01:11:53,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685089,685102] [2022-11-22 01:11:53,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685255,685268] [2022-11-22 01:11:53,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685419,685432] [2022-11-22 01:11:53,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685584,685597] [2022-11-22 01:11:53,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685749,685762] [2022-11-22 01:11:53,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685915,685928] [2022-11-22 01:11:53,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686080,686093] [2022-11-22 01:11:53,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686247,686260] [2022-11-22 01:11:53,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686407,686420] [2022-11-22 01:11:53,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686569,686582] [2022-11-22 01:11:53,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686728,686741] [2022-11-22 01:11:53,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686874,686887] [2022-11-22 01:11:53,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687017,687030] [2022-11-22 01:11:53,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687161,687174] [2022-11-22 01:11:53,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687304,687317] [2022-11-22 01:11:53,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687448,687461] [2022-11-22 01:11:53,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687589,687602] [2022-11-22 01:11:53,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687727,687740] [2022-11-22 01:11:53,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687885,687898] [2022-11-22 01:11:53,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688044,688057] [2022-11-22 01:11:53,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688200,688213] [2022-11-22 01:11:53,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688349,688362] [2022-11-22 01:11:53,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688501,688514] [2022-11-22 01:11:53,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688652,688665] [2022-11-22 01:11:53,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688801,688814] [2022-11-22 01:11:53,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688953,688966] [2022-11-22 01:11:53,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689101,689114] [2022-11-22 01:11:53,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689254,689267] [2022-11-22 01:11:53,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689405,689418] [2022-11-22 01:11:53,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689555,689568] [2022-11-22 01:11:53,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689702,689715] [2022-11-22 01:11:53,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689853,689866] [2022-11-22 01:11:53,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690004,690017] [2022-11-22 01:11:53,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690152,690165] [2022-11-22 01:11:53,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690318,690331] [2022-11-22 01:11:53,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690487,690500] [2022-11-22 01:11:53,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690654,690667] [2022-11-22 01:11:53,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690822,690835] [2022-11-22 01:11:53,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690972,690985] [2022-11-22 01:11:53,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691119,691132] [2022-11-22 01:11:53,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691280,691293] [2022-11-22 01:11:53,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691450,691463] [2022-11-22 01:11:53,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691612,691625] [2022-11-22 01:11:53,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:11:53,683 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:11:54,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678224,678237] [2022-11-22 01:11:54,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678369,678382] [2022-11-22 01:11:54,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678515,678528] [2022-11-22 01:11:54,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678680,678693] [2022-11-22 01:11:54,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678838,678851] [2022-11-22 01:11:54,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678996,679009] [2022-11-22 01:11:54,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679154,679167] [2022-11-22 01:11:54,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679314,679327] [2022-11-22 01:11:54,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679473,679486] [2022-11-22 01:11:54,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679612,679625] [2022-11-22 01:11:54,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679754,679767] [2022-11-22 01:11:54,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679903,679916] [2022-11-22 01:11:54,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680042,680055] [2022-11-22 01:11:54,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680197,680210] [2022-11-22 01:11:54,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680357,680370] [2022-11-22 01:11:54,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680508,680521] [2022-11-22 01:11:54,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680659,680672] [2022-11-22 01:11:54,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680811,680824] [2022-11-22 01:11:54,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680960,680973] [2022-11-22 01:11:54,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681108,681121] [2022-11-22 01:11:54,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681265,681278] [2022-11-22 01:11:54,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681414,681427] [2022-11-22 01:11:54,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681570,681583] [2022-11-22 01:11:54,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681723,681736] [2022-11-22 01:11:54,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681869,681882] [2022-11-22 01:11:54,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682012,682025] [2022-11-22 01:11:54,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682164,682177] [2022-11-22 01:11:54,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682310,682323] [2022-11-22 01:11:54,558 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682455,682468] [2022-11-22 01:11:54,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682609,682622] [2022-11-22 01:11:54,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682760,682773] [2022-11-22 01:11:54,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682915,682928] [2022-11-22 01:11:54,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683067,683080] [2022-11-22 01:11:54,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683222,683235] [2022-11-22 01:11:54,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683386,683399] [2022-11-22 01:11:54,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683542,683555] [2022-11-22 01:11:54,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683706,683719] [2022-11-22 01:11:54,564 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683848,683861] [2022-11-22 01:11:54,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684006,684019] [2022-11-22 01:11:54,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684173,684186] [2022-11-22 01:11:54,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684332,684345] [2022-11-22 01:11:54,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684491,684504] [2022-11-22 01:11:54,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684640,684653] [2022-11-22 01:11:54,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684787,684800] [2022-11-22 01:11:54,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684926,684939] [2022-11-22 01:11:54,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685089,685102] [2022-11-22 01:11:54,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685255,685268] [2022-11-22 01:11:54,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685419,685432] [2022-11-22 01:11:54,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685584,685597] [2022-11-22 01:11:54,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685749,685762] [2022-11-22 01:11:54,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685915,685928] [2022-11-22 01:11:54,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686080,686093] [2022-11-22 01:11:54,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686247,686260] [2022-11-22 01:11:54,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686407,686420] [2022-11-22 01:11:54,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686569,686582] [2022-11-22 01:11:54,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686728,686741] [2022-11-22 01:11:54,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686874,686887] [2022-11-22 01:11:54,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687017,687030] [2022-11-22 01:11:54,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687161,687174] [2022-11-22 01:11:54,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687304,687317] [2022-11-22 01:11:54,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687448,687461] [2022-11-22 01:11:54,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687589,687602] [2022-11-22 01:11:54,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687727,687740] [2022-11-22 01:11:54,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687885,687898] [2022-11-22 01:11:54,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688044,688057] [2022-11-22 01:11:54,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688200,688213] [2022-11-22 01:11:54,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688349,688362] [2022-11-22 01:11:54,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688501,688514] [2022-11-22 01:11:54,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688652,688665] [2022-11-22 01:11:54,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688801,688814] [2022-11-22 01:11:54,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688953,688966] [2022-11-22 01:11:54,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689101,689114] [2022-11-22 01:11:54,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689254,689267] [2022-11-22 01:11:54,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689405,689418] [2022-11-22 01:11:54,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689555,689568] [2022-11-22 01:11:54,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689702,689715] [2022-11-22 01:11:54,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689853,689866] [2022-11-22 01:11:54,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690004,690017] [2022-11-22 01:11:54,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690152,690165] [2022-11-22 01:11:54,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690318,690331] [2022-11-22 01:11:54,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690487,690500] [2022-11-22 01:11:54,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690654,690667] [2022-11-22 01:11:54,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690822,690835] [2022-11-22 01:11:54,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690972,690985] [2022-11-22 01:11:54,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691119,691132] [2022-11-22 01:11:54,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691280,691293] [2022-11-22 01:11:54,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691450,691463] [2022-11-22 01:11:54,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691612,691625] [2022-11-22 01:11:54,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:11:55,123 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:11:55,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55 WrapperNode [2022-11-22 01:11:55,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:11:55,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:11:55,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:11:55,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:11:55,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,593 INFO L138 Inliner]: procedures = 961, calls = 4204, calls flagged for inlining = 472, calls inlined = 394, statements flattened = 9858 [2022-11-22 01:11:55,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:11:55,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:11:55,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:11:55,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:11:55,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:55,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:56,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:56,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:56,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:56,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:11:56,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:11:56,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:11:56,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:11:56,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (1/1) ... [2022-11-22 01:11:56,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:11:56,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:11:56,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:11:56,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:11:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-22 01:11:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-22 01:11:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_expose_resource [2022-11-22 01:11:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_expose_resource [2022-11-22 01:11:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_configure [2022-11-22 01:11:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_configure [2022-11-22 01:11:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_ioadls [2022-11-22 01:11:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_ioadls [2022-11-22 01:11:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_alert_done [2022-11-22 01:11:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_alert_done [2022-11-22 01:11:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:11:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 01:11:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-22 01:11:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-22 01:11:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:11:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:11:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_target_reset_handler [2022-11-22 01:11:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_target_reset_handler [2022-11-22 01:11:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_abort_handler [2022-11-22 01:11:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_abort_handler [2022-11-22 01:11:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:11:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:11:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 01:11:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 01:11:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_chr_ioctl [2022-11-22 01:11:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_chr_ioctl [2022-11-22 01:11:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:11:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:11:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:11:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-22 01:11:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-22 01:11:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:11:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:11:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:11:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:11:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:11:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 01:11:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:11:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:11:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:11:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:11:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_cmd_blocks [2022-11-22 01:11:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_cmd_blocks [2022-11-22 01:11:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-22 01:11:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-22 01:11:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_aen_queue_lock_of_pmcraid_instance [2022-11-22 01:11:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_aen_queue_lock_of_pmcraid_instance [2022-11-22 01:11:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:11:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:11:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_error_handler [2022-11-22 01:11:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_error_handler [2022-11-22 01:11:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_fail_outstanding_cmds [2022-11-22 01:11:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_fail_outstanding_cmds [2022-11-22 01:11:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:11:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 01:11:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:11:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:11:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 01:11:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-22 01:11:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-22 01:11:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-22 01:11:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-22 01:11:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-22 01:11:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-22 01:11:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:11:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:11:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 01:11:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 01:11:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-22 01:11:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-22 01:11:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_enable_interrupts [2022-11-22 01:11:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_enable_interrupts [2022-11-22 01:11:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:11:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:11:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:11:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:11:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-22 01:11:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-22 01:11:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-22 01:11:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-22 01:11:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:11:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 01:11:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_querycfg [2022-11-22 01:11:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_querycfg [2022-11-22 01:11:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 01:11:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 01:11:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:11:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 01:11:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 01:11:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:11:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:11:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:11:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_abort_cmd [2022-11-22 01:11:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_abort_cmd [2022-11-22 01:11:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-22 01:11:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-22 01:11:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:11:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:11:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 01:11:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 01:11:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-22 01:11:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-22 01:11:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_ioa_reset [2022-11-22 01:11:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_ioa_reset [2022-11-22 01:11:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:11:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:11:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lockp [2022-11-22 01:11:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lockp [2022-11-22 01:11:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-22 01:11:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-22 01:11:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_173 [2022-11-22 01:11:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_173 [2022-11-22 01:11:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-22 01:11:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-22 01:11:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:11:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:11:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pending_pool_lock_of_pmcraid_instance [2022-11-22 01:11:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pending_pool_lock_of_pmcraid_instance [2022-11-22 01:11:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:11:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-22 01:11:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-22 01:11:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_144 [2022-11-22 01:11:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_144 [2022-11-22 01:11:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_control_blocks [2022-11-22 01:11:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_control_blocks [2022-11-22 01:11:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_disable_interrupts [2022-11-22 01:11:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_disable_interrupts [2022-11-22 01:11:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:11:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:11:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_chr_open [2022-11-22 01:11:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_chr_open [2022-11-22 01:11:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_shutdown [2022-11-22 01:11:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_shutdown [2022-11-22 01:11:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-11-22 01:11:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-11-22 01:11:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-22 01:11:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-22 01:11:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:11:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:11:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 01:11:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 01:11:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_netlink_release [2022-11-22 01:11:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_netlink_release [2022-11-22 01:11:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:11:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:11:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-22 01:11:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-22 01:11:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:11:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:11:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-22 01:11:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-22 01:11:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:11:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 01:11:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:11:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 01:11:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:11:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:11:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:11:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:11:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 01:11:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-22 01:11:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-22 01:11:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:11:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-22 01:11:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-22 01:11:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-22 01:11:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-22 01:11:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_bringdown [2022-11-22 01:11:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_bringdown [2022-11-22 01:11:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 01:11:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 01:11:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-22 01:11:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-22 01:11:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:11:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:11:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2022-11-22 01:11:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2022-11-22 01:11:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_remove [2022-11-22 01:11:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_remove [2022-11-22 01:11:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_set_timestamp [2022-11-22 01:11:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_set_timestamp [2022-11-22 01:11:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:11:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:11:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 01:11:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 01:11:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 01:11:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 01:11:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:11:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 01:11:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:11:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 01:11:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_start_bist [2022-11-22 01:11:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_start_bist [2022-11-22 01:11:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:11:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 01:11:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_resume [2022-11-22 01:11:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_resume [2022-11-22 01:11:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_free_sglist [2022-11-22 01:11:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_free_sglist [2022-11-22 01:11:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_read_interrupts [2022-11-22 01:11:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_read_interrupts [2022-11-22 01:11:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_cmdblk [2022-11-22 01:11:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_cmdblk [2022-11-22 01:11:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:11:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:11:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:11:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_identify_hrrq [2022-11-22 01:11:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_identify_hrrq [2022-11-22 01:11:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-22 01:11:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-22 01:11:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_process_ldn [2022-11-22 01:11:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_process_ldn [2022-11-22 01:11:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:11:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:11:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-22 01:11:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-22 01:11:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-22 01:11:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-22 01:11:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_soft_reset [2022-11-22 01:11:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_soft_reset [2022-11-22 01:11:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 01:11:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 01:11:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-22 01:11:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-22 01:11:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:11:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:11:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host [2022-11-22 01:11:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host [2022-11-22 01:11:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_clr_trans_op [2022-11-22 01:11:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_clr_trans_op [2022-11-22 01:11:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-22 01:11:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-22 01:11:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:11:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:11:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-22 01:11:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-22 01:11:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_cancel_hcam [2022-11-22 01:11:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_cancel_hcam [2022-11-22 01:11:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:11:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 01:11:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:11:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:11:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:11:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:11:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reinit_cmdblk [2022-11-22 01:11:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reinit_cmdblk [2022-11-22 01:11:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:11:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:11:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:11:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:11:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 01:11:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 01:11:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:11:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:11:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_buffers [2022-11-22 01:11:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_buffers [2022-11-22 01:11:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:11:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 01:11:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:11:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 01:11:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:11:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:11:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_config_buffers [2022-11-22 01:11:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_config_buffers [2022-11-22 01:11:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_tasklets [2022-11-22 01:11:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_tasklets [2022-11-22 01:11:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:11:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:11:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 01:11:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 01:11:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_register_interrupt_handler [2022-11-22 01:11:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_register_interrupt_handler [2022-11-22 01:11:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_unregister_interrupt_handler [2022-11-22 01:11:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_unregister_interrupt_handler [2022-11-22 01:11:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:11:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:11:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:11:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 01:11:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_device [2022-11-22 01:11:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_device [2022-11-22 01:11:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_return_cmd [2022-11-22 01:11:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_return_cmd [2022-11-22 01:11:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:11:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-22 01:11:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-22 01:11:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 01:11:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 01:11:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 01:11:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 01:11:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_alloc [2022-11-22 01:11:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_alloc [2022-11-22 01:11:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 01:11:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 01:11:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:11:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_kill_tasklets [2022-11-22 01:11:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_kill_tasklets [2022-11-22 01:11:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:11:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:11:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:11:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:11:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_initiate_reset [2022-11-22 01:11:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_initiate_reset [2022-11-22 01:11:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:11:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 01:11:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 01:11:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_bringup [2022-11-22 01:11:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_bringup [2022-11-22 01:11:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_prepare_cancel_cmd [2022-11-22 01:11:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_prepare_cancel_cmd [2022-11-22 01:11:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:11:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:11:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:11:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:11:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:11:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 01:11:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:11:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:11:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:11:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:11:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_cmd [2022-11-22 01:11:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_cmd [2022-11-22 01:11:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2022-11-22 01:11:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2022-11-22 01:11:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 01:11:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 01:11:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 01:11:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 01:11:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-22 01:11:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-22 01:11:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 01:11:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 01:11:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:11:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 01:11:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2022-11-22 01:11:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2022-11-22 01:11:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_free_pool_lock_of_pmcraid_instance [2022-11-22 01:11:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_free_pool_lock_of_pmcraid_instance [2022-11-22 01:11:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:11:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:11:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:11:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:11:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-22 01:11:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-22 01:11:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure _pmcraid_io_done [2022-11-22 01:11:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure _pmcraid_io_done [2022-11-22 01:11:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_hcam_cmd [2022-11-22 01:11:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_hcam_cmd [2022-11-22 01:11:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-22 01:11:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-22 01:11:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:11:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 01:11:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_hcams [2022-11-22 01:11:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_hcams [2022-11-22 01:11:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:11:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_notify_ioastate [2022-11-22 01:11:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_notify_ioastate [2022-11-22 01:11:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:11:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:11:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:11:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:11:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-22 01:11:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-22 01:11:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:11:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:11:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-22 01:11:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-22 01:11:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_get_free_cmd [2022-11-22 01:11:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_get_free_cmd [2022-11-22 01:11:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_request_sense [2022-11-22 01:11:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_request_sense [2022-11-22 01:11:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:11:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:11:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-22 01:11:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-22 01:11:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_hcam [2022-11-22 01:11:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_hcam [2022-11-22 01:11:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_host_rrqs [2022-11-22 01:11:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_host_rrqs [2022-11-22 01:11:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_complete_ioa_reset [2022-11-22 01:11:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_complete_ioa_reset [2022-11-22 01:11:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:11:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:11:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-22 01:11:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-22 01:11:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:11:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_io_done [2022-11-22 01:11:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_io_done [2022-11-22 01:11:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:11:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:11:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:11:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:11:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_210 [2022-11-22 01:11:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_210 [2022-11-22 01:11:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 01:11:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 01:11:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_ioa_shutdown_done [2022-11-22 01:11:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_ioa_shutdown_done [2022-11-22 01:11:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:11:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 01:11:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 01:11:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 01:11:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:11:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:11:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:11:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:11:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_minor [2022-11-22 01:11:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_minor [2022-11-22 01:11:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_wait_for_completion_of_pmcraid_cmd [2022-11-22 01:11:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_wait_for_completion_of_pmcraid_cmd [2022-11-22 01:11:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-22 01:11:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-22 01:11:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_notify_aen [2022-11-22 01:11:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_notify_aen [2022-11-22 01:11:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:11:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 01:11:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:11:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 01:11:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_host_reset_handler [2022-11-22 01:11:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_host_reset_handler [2022-11-22 01:11:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:11:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 01:11:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure _pmcraid_fire_command [2022-11-22 01:11:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _pmcraid_fire_command [2022-11-22 01:11:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:11:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:11:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:11:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 01:11:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:11:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:11:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_device_reset_handler [2022-11-22 01:11:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_device_reset_handler [2022-11-22 01:11:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:11:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 01:11:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-22 01:11:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-22 01:11:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_copy_sglist [2022-11-22 01:11:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_copy_sglist [2022-11-22 01:11:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-22 01:11:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-22 01:11:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_hcam [2022-11-22 01:11:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_hcam [2022-11-22 01:11:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:11:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:11:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-22 01:11:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-22 01:11:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_store_log_level [2022-11-22 01:11:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_store_log_level [2022-11-22 01:11:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_bus_reset_handler [2022-11-22 01:11:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_bus_reset_handler [2022-11-22 01:11:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_destroy [2022-11-22 01:11:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_destroy [2022-11-22 01:11:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:11:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:11:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-22 01:11:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-22 01:11:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 01:11:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 01:11:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-22 01:11:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-22 01:11:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:11:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 01:11:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 01:11:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 01:11:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_reload [2022-11-22 01:11:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_reload [2022-11-22 01:11:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_erp_done [2022-11-22 01:11:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_erp_done [2022-11-22 01:11:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_alert [2022-11-22 01:11:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_alert [2022-11-22 01:11:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:11:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_bist_done [2022-11-22 01:11:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_bist_done [2022-11-22 01:11:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_resource_lock_of_pmcraid_instance [2022-11-22 01:11:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_resource_lock_of_pmcraid_instance [2022-11-22 01:11:57,844 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:11:57,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:11:57,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:12:02,474 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9499: SUMMARY for call __copy_to_user_nocheck_#t~ret305#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-22 01:12:02,474 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9503: SUMMARY for call __copy_to_user_nocheck_#t~ret306#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-22 01:12:02,474 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9491: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,474 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9495: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9483: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9553: __copy_to_user_nocheck_~tmp___2~2#1 := __copy_to_user_nocheck_#t~ret307#1;havoc __copy_to_user_nocheck_#t~ret307#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9487: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9541: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret306#1 && __copy_to_user_nocheck_#t~ret306#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~6#1 := __copy_to_user_nocheck_#t~ret306#1;havoc __copy_to_user_nocheck_#t~ret306#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9529: assume 0 != __copy_to_user_nocheck_~tmp___0~10#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9529: assume !(0 != __copy_to_user_nocheck_~tmp___0~10#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9506: SUMMARY for call __copy_to_user_nocheck_#t~ret307#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:02,475 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9543: assume 0 != __copy_to_user_nocheck_~tmp___1~6#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9543: assume !(0 != __copy_to_user_nocheck_~tmp___1~6#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9498: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9498: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9502: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9502: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9490: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9490: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9527: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret305#1 && __copy_to_user_nocheck_#t~ret305#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~10#1 := __copy_to_user_nocheck_#t~ret305#1;havoc __copy_to_user_nocheck_#t~ret305#1; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9494: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9494: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:02,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:02,477 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,592 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9450: __copy_from_user_nocheck_~tmp___2~1#1 := __copy_from_user_nocheck_#t~ret302#1;havoc __copy_from_user_nocheck_#t~ret302#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-22 01:12:08,592 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9425: assume 0 != __copy_from_user_nocheck_~tmp___0~9#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9425: assume !(0 != __copy_from_user_nocheck_~tmp___0~9#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9438: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret301#1 && __copy_from_user_nocheck_#t~ret301#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~5#1 := __copy_from_user_nocheck_#t~ret301#1;havoc __copy_from_user_nocheck_#t~ret301#1; [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9397: SUMMARY for call __copy_from_user_nocheck_#t~ret302#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9389: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9389: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9393: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9393: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9381: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9381: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9385: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9385: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9377: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9377: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9394: SUMMARY for call __copy_from_user_nocheck_#t~ret301#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9386: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9423: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret300#1 && __copy_from_user_nocheck_#t~ret300#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~9#1 := __copy_from_user_nocheck_#t~ret300#1;havoc __copy_from_user_nocheck_#t~ret300#1; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9390: SUMMARY for call __copy_from_user_nocheck_#t~ret300#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9378: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9382: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9440: assume 0 != __copy_from_user_nocheck_~tmp___1~5#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9440: assume !(0 != __copy_from_user_nocheck_~tmp___1~5#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9374: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-22 01:12:21,943 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:12:24,852 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:12:24,852 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:12:24,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:12:24 BoogieIcfgContainer [2022-11-22 01:12:24,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:12:24,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:12:24,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:12:24,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:12:24,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:45" (1/3) ... [2022-11-22 01:12:24,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732346a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:12:24, skipping insertion in model container [2022-11-22 01:12:24,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:55" (2/3) ... [2022-11-22 01:12:24,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732346a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:12:24, skipping insertion in model container [2022-11-22 01:12:24,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:12:24" (3/3) ... [2022-11-22 01:12:24,874 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-22 01:12:24,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:12:24,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-22 01:12:25,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:12:25,194 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5eeb606e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:12:25,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-11-22 01:12:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 2803 states, 1566 states have (on average 1.3090676883780332) internal successors, (2050), 1710 states have internal predecessors, (2050), 970 states have call successors, (970), 228 states have call predecessors, (970), 227 states have return successors, (965), 931 states have call predecessors, (965), 965 states have call successors, (965) [2022-11-22 01:12:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:12:25,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:25,223 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:25,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:12:25,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:25,234 INFO L85 PathProgramCache]: Analyzing trace with hash -955134395, now seen corresponding path program 1 times [2022-11-22 01:12:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:25,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121093552] [2022-11-22 01:12:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:25,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:12:26,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:26,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121093552] [2022-11-22 01:12:26,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121093552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:26,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:26,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:12:26,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651454500] [2022-11-22 01:12:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:26,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:12:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:26,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:12:26,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:26,625 INFO L87 Difference]: Start difference. First operand has 2803 states, 1566 states have (on average 1.3090676883780332) internal successors, (2050), 1710 states have internal predecessors, (2050), 970 states have call successors, (970), 228 states have call predecessors, (970), 227 states have return successors, (965), 931 states have call predecessors, (965), 965 states have call successors, (965) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:12:28,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:30,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:33,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:35,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:38,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:40,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:45,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:52,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:54,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:56,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:57,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:00,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:02,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:04,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:06,922 INFO L93 Difference]: Finished difference Result 7643 states and 11373 transitions. [2022-11-22 01:13:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:13:06,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2022-11-22 01:13:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:07,004 INFO L225 Difference]: With dead ends: 7643 [2022-11-22 01:13:07,004 INFO L226 Difference]: Without dead ends: 4834 [2022-11-22 01:13:07,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:13:07,050 INFO L413 NwaCegarLoop]: 5930 mSDtfsCounter, 2893 mSDsluCounter, 15264 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 21194 SdHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:07,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2895 Valid, 21194 Invalid, 2822 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 2816 Invalid, 5 Unknown, 0 Unchecked, 39.5s Time] [2022-11-22 01:13:07,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2022-11-22 01:13:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4741. [2022-11-22 01:13:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4741 states, 2652 states have (on average 1.2835595776772248) internal successors, (3404), 2883 states have internal predecessors, (3404), 1637 states have call successors, (1637), 415 states have call predecessors, (1637), 414 states have return successors, (1636), 1566 states have call predecessors, (1636), 1635 states have call successors, (1636) [2022-11-22 01:13:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4741 states to 4741 states and 6677 transitions. [2022-11-22 01:13:07,549 INFO L78 Accepts]: Start accepts. Automaton has 4741 states and 6677 transitions. Word has length 24 [2022-11-22 01:13:07,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:07,551 INFO L495 AbstractCegarLoop]: Abstraction has 4741 states and 6677 transitions. [2022-11-22 01:13:07,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:13:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4741 states and 6677 transitions. [2022-11-22 01:13:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-22 01:13:07,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:07,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:07,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:13:07,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:13:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:07,560 INFO L85 PathProgramCache]: Analyzing trace with hash 6269612, now seen corresponding path program 1 times [2022-11-22 01:13:07,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:07,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60993290] [2022-11-22 01:13:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-22 01:13:08,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:08,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60993290] [2022-11-22 01:13:08,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60993290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:08,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:08,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:13:08,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469471114] [2022-11-22 01:13:08,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:08,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:13:08,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:08,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:13:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:08,535 INFO L87 Difference]: Start difference. First operand 4741 states and 6677 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:13:10,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:11,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:12,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:15,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:16,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:18,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:22,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:28,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:30,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:31,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:34,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:35,912 INFO L93 Difference]: Finished difference Result 5881 states and 8260 transitions. [2022-11-22 01:13:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:13:35,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-11-22 01:13:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:35,956 INFO L225 Difference]: With dead ends: 5881 [2022-11-22 01:13:35,956 INFO L226 Difference]: Without dead ends: 5879 [2022-11-22 01:13:35,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:13:35,961 INFO L413 NwaCegarLoop]: 3886 mSDtfsCounter, 3916 mSDsluCounter, 9156 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3918 SdHoareTripleChecker+Valid, 13042 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:35,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3918 Valid, 13042 Invalid, 1625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1624 Invalid, 1 Unknown, 0 Unchecked, 26.9s Time] [2022-11-22 01:13:35,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5879 states. [2022-11-22 01:13:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5879 to 5868. [2022-11-22 01:13:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5868 states, 3280 states have (on average 1.2832317073170731) internal successors, (4209), 3573 states have internal predecessors, (4209), 2021 states have call successors, (2021), 531 states have call predecessors, (2021), 530 states have return successors, (2021), 1921 states have call predecessors, (2021), 2019 states have call successors, (2021) [2022-11-22 01:13:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5868 states and 8251 transitions. [2022-11-22 01:13:36,409 INFO L78 Accepts]: Start accepts. Automaton has 5868 states and 8251 transitions. Word has length 39 [2022-11-22 01:13:36,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:36,410 INFO L495 AbstractCegarLoop]: Abstraction has 5868 states and 8251 transitions. [2022-11-22 01:13:36,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:13:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5868 states and 8251 transitions. [2022-11-22 01:13:36,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 01:13:36,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:36,414 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:13:36,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:13:36,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:13:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1801180297, now seen corresponding path program 1 times [2022-11-22 01:13:36,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:36,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49070505] [2022-11-22 01:13:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-22 01:13:37,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:37,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49070505] [2022-11-22 01:13:37,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49070505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:37,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:37,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:13:37,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23171487] [2022-11-22 01:13:37,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:37,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:13:37,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:37,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:13:37,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:37,265 INFO L87 Difference]: Start difference. First operand 5868 states and 8251 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:13:38,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:41,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:43,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:48,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:53,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:55,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:56,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:58,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:59,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:03,256 INFO L93 Difference]: Finished difference Result 9837 states and 13790 transitions. [2022-11-22 01:14:03,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:14:03,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2022-11-22 01:14:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:03,341 INFO L225 Difference]: With dead ends: 9837 [2022-11-22 01:14:03,341 INFO L226 Difference]: Without dead ends: 9835 [2022-11-22 01:14:03,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:14:03,354 INFO L413 NwaCegarLoop]: 5042 mSDtfsCounter, 2862 mSDsluCounter, 13489 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 18531 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:03,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 18531 Invalid, 2389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2383 Invalid, 4 Unknown, 0 Unchecked, 25.3s Time] [2022-11-22 01:14:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9835 states. [2022-11-22 01:14:04,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9835 to 9541. [2022-11-22 01:14:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9541 states, 5320 states have (on average 1.2825187969924812) internal successors, (6823), 5792 states have internal predecessors, (6823), 3319 states have call successors, (3319), 867 states have call predecessors, (3319), 866 states have return successors, (3324), 3150 states have call predecessors, (3324), 3317 states have call successors, (3324) [2022-11-22 01:14:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9541 states to 9541 states and 13466 transitions. [2022-11-22 01:14:04,175 INFO L78 Accepts]: Start accepts. Automaton has 9541 states and 13466 transitions. Word has length 65 [2022-11-22 01:14:04,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:04,176 INFO L495 AbstractCegarLoop]: Abstraction has 9541 states and 13466 transitions. [2022-11-22 01:14:04,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:14:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9541 states and 13466 transitions. [2022-11-22 01:14:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 01:14:04,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:04,189 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:04,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:14:04,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:14:04,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:04,190 INFO L85 PathProgramCache]: Analyzing trace with hash 290306396, now seen corresponding path program 1 times [2022-11-22 01:14:04,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:04,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420353408] [2022-11-22 01:14:04,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:04,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:14:05,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:05,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420353408] [2022-11-22 01:14:05,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420353408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:05,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:05,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:05,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517534812] [2022-11-22 01:14:05,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:05,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:05,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:05,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:05,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:05,099 INFO L87 Difference]: Start difference. First operand 9541 states and 13466 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:14:06,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:09,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:13,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:17,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:19,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:21,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:23,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:24,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:26,585 INFO L93 Difference]: Finished difference Result 17011 states and 24179 transitions. [2022-11-22 01:14:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:14:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2022-11-22 01:14:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:26,724 INFO L225 Difference]: With dead ends: 17011 [2022-11-22 01:14:26,724 INFO L226 Difference]: Without dead ends: 17009 [2022-11-22 01:14:26,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:26,739 INFO L413 NwaCegarLoop]: 4988 mSDtfsCounter, 2834 mSDsluCounter, 8407 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 13395 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:26,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 13395 Invalid, 1713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1710 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-11-22 01:14:26,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17009 states. [2022-11-22 01:14:27,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17009 to 16709. [2022-11-22 01:14:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16709 states, 9295 states have (on average 1.2828402366863905) internal successors, (11924), 10121 states have internal predecessors, (11924), 5850 states have call successors, (5850), 1533 states have call predecessors, (5850), 1528 states have return successors, (6066), 5535 states have call predecessors, (6066), 5848 states have call successors, (6066) [2022-11-22 01:14:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16709 states to 16709 states and 23840 transitions. [2022-11-22 01:14:27,859 INFO L78 Accepts]: Start accepts. Automaton has 16709 states and 23840 transitions. Word has length 73 [2022-11-22 01:14:27,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:27,861 INFO L495 AbstractCegarLoop]: Abstraction has 16709 states and 23840 transitions. [2022-11-22 01:14:27,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:14:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 16709 states and 23840 transitions. [2022-11-22 01:14:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 01:14:27,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:27,865 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:27,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:14:27,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:14:27,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:27,866 INFO L85 PathProgramCache]: Analyzing trace with hash -49178234, now seen corresponding path program 1 times [2022-11-22 01:14:27,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:27,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123015967] [2022-11-22 01:14:27,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 01:14:28,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:28,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123015967] [2022-11-22 01:14:28,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123015967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:28,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:28,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:14:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149082252] [2022-11-22 01:14:28,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:28,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:14:28,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:28,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:14:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:28,550 INFO L87 Difference]: Start difference. First operand 16709 states and 23840 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:14:30,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:31,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:32,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:35,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:37,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:39,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:44,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:49,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:51,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:51,256 INFO L93 Difference]: Finished difference Result 16720 states and 23846 transitions. [2022-11-22 01:14:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:14:51,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2022-11-22 01:14:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:51,367 INFO L225 Difference]: With dead ends: 16720 [2022-11-22 01:14:51,367 INFO L226 Difference]: Without dead ends: 16718 [2022-11-22 01:14:51,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:14:51,381 INFO L413 NwaCegarLoop]: 3840 mSDtfsCounter, 3893 mSDsluCounter, 9064 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3898 SdHoareTripleChecker+Valid, 12904 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:51,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3898 Valid, 12904 Invalid, 1592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1588 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-11-22 01:14:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16718 states. [2022-11-22 01:14:52,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16718 to 16707. [2022-11-22 01:14:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16707 states, 9294 states have (on average 1.2824402840542286) internal successors, (11919), 10119 states have internal predecessors, (11919), 5850 states have call successors, (5850), 1533 states have call predecessors, (5850), 1528 states have return successors, (6066), 5535 states have call predecessors, (6066), 5848 states have call successors, (6066) [2022-11-22 01:14:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16707 states to 16707 states and 23835 transitions. [2022-11-22 01:14:52,764 INFO L78 Accepts]: Start accepts. Automaton has 16707 states and 23835 transitions. Word has length 75 [2022-11-22 01:14:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:52,765 INFO L495 AbstractCegarLoop]: Abstraction has 16707 states and 23835 transitions. [2022-11-22 01:14:52,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:14:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 16707 states and 23835 transitions. [2022-11-22 01:14:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 01:14:52,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:52,768 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:52,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:14:52,768 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:14:52,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:52,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1982632342, now seen corresponding path program 1 times [2022-11-22 01:14:52,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:52,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956871029] [2022-11-22 01:14:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:52,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:14:53,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:53,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956871029] [2022-11-22 01:14:53,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956871029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:53,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:53,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:53,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379780317] [2022-11-22 01:14:53,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:53,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:53,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:53,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:53,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:53,496 INFO L87 Difference]: Start difference. First operand 16707 states and 23835 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:14:57,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:01,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:06,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:08,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:11,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:13,167 INFO L93 Difference]: Finished difference Result 21456 states and 30431 transitions. [2022-11-22 01:15:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:15:13,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 78 [2022-11-22 01:15:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:13,294 INFO L225 Difference]: With dead ends: 21456 [2022-11-22 01:15:13,294 INFO L226 Difference]: Without dead ends: 21454 [2022-11-22 01:15:13,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:13,307 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 2848 mSDsluCounter, 7718 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:13,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 12071 Invalid, 1438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1434 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2022-11-22 01:15:13,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21454 states. [2022-11-22 01:15:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21454 to 19867. [2022-11-22 01:15:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19867 states, 11049 states have (on average 1.2821974839351977) internal successors, (14167), 12034 states have internal predecessors, (14167), 6950 states have call successors, (6950), 1837 states have call predecessors, (6950), 1833 states have return successors, (7169), 6570 states have call predecessors, (7169), 6948 states have call successors, (7169) [2022-11-22 01:15:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19867 states to 19867 states and 28286 transitions. [2022-11-22 01:15:14,767 INFO L78 Accepts]: Start accepts. Automaton has 19867 states and 28286 transitions. Word has length 78 [2022-11-22 01:15:14,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:14,768 INFO L495 AbstractCegarLoop]: Abstraction has 19867 states and 28286 transitions. [2022-11-22 01:15:14,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:15:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 19867 states and 28286 transitions. [2022-11-22 01:15:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-22 01:15:14,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:14,770 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:14,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:15:14,771 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:15:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1547047182, now seen corresponding path program 1 times [2022-11-22 01:15:14,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:14,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614420476] [2022-11-22 01:15:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:15:15,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:15,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614420476] [2022-11-22 01:15:15,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614420476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:15,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:15,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:15:15,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921028763] [2022-11-22 01:15:15,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:15,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:15,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:15,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:15,430 INFO L87 Difference]: Start difference. First operand 19867 states and 28286 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:15:17,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:20,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:24,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:27,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:29,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:31,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:34,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:34,478 INFO L93 Difference]: Finished difference Result 20128 states and 28568 transitions. [2022-11-22 01:15:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:15:34,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 83 [2022-11-22 01:15:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:34,601 INFO L225 Difference]: With dead ends: 20128 [2022-11-22 01:15:34,601 INFO L226 Difference]: Without dead ends: 20126 [2022-11-22 01:15:34,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:34,617 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 2845 mSDsluCounter, 7718 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:34,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 12071 Invalid, 1438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1434 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2022-11-22 01:15:34,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20126 states. [2022-11-22 01:15:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20126 to 19878. [2022-11-22 01:15:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19878 states, 11055 states have (on average 1.2820443238353687) internal successors, (14173), 12040 states have internal predecessors, (14173), 6953 states have call successors, (6953), 1839 states have call predecessors, (6953), 1835 states have return successors, (7172), 6573 states have call predecessors, (7172), 6951 states have call successors, (7172) [2022-11-22 01:15:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19878 states to 19878 states and 28298 transitions. [2022-11-22 01:15:36,513 INFO L78 Accepts]: Start accepts. Automaton has 19878 states and 28298 transitions. Word has length 83 [2022-11-22 01:15:36,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:36,515 INFO L495 AbstractCegarLoop]: Abstraction has 19878 states and 28298 transitions. [2022-11-22 01:15:36,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:15:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19878 states and 28298 transitions. [2022-11-22 01:15:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 01:15:36,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:36,526 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:36,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:15:36,526 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:15:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash 983319236, now seen corresponding path program 1 times [2022-11-22 01:15:36,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:36,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268140747] [2022-11-22 01:15:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:36,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 01:15:39,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:39,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268140747] [2022-11-22 01:15:39,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268140747] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:15:39,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126137379] [2022-11-22 01:15:39,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:15:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:15:39,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:15:39,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:15:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:41,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-22 01:15:41,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-22 01:15:42,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:15:42,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126137379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:42,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:15:42,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 24 [2022-11-22 01:15:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263200800] [2022-11-22 01:15:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:42,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:15:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:15:42,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:15:42,402 INFO L87 Difference]: Start difference. First operand 19878 states and 28298 transitions. Second operand has 13 states, 10 states have (on average 3.7) internal successors, (37), 12 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-22 01:15:44,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:48,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:00,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:06,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:07,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:08,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:10,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:11,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:13,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:15,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:16,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:18,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:19,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:21,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:23,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:31,118 INFO L93 Difference]: Finished difference Result 31544 states and 44779 transitions. [2022-11-22 01:16:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 01:16:31,119 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.7) internal successors, (37), 12 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 85 [2022-11-22 01:16:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:31,235 INFO L225 Difference]: With dead ends: 31544 [2022-11-22 01:16:31,235 INFO L226 Difference]: Without dead ends: 16520 [2022-11-22 01:16:31,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=129, Invalid=993, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:16:31,356 INFO L413 NwaCegarLoop]: 3496 mSDtfsCounter, 52 mSDsluCounter, 37993 mSDsCounter, 0 mSdLazyCounter, 6356 mSolverCounterSat, 242 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 41489 SdHoareTripleChecker+Invalid, 6603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 6356 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:31,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 41489 Invalid, 6603 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [242 Valid, 6356 Invalid, 5 Unknown, 0 Unchecked, 47.1s Time] [2022-11-22 01:16:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16520 states. [2022-11-22 01:16:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16520 to 16431. [2022-11-22 01:16:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16431 states, 9142 states have (on average 1.280682563990374) internal successors, (11708), 9972 states have internal predecessors, (11708), 5703 states have call successors, (5703), 1555 states have call predecessors, (5703), 1551 states have return successors, (5881), 5371 states have call predecessors, (5881), 5701 states have call successors, (5881) [2022-11-22 01:16:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16431 states to 16431 states and 23292 transitions. [2022-11-22 01:16:32,686 INFO L78 Accepts]: Start accepts. Automaton has 16431 states and 23292 transitions. Word has length 85 [2022-11-22 01:16:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:32,686 INFO L495 AbstractCegarLoop]: Abstraction has 16431 states and 23292 transitions. [2022-11-22 01:16:32,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.7) internal successors, (37), 12 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-22 01:16:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 16431 states and 23292 transitions. [2022-11-22 01:16:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-22 01:16:32,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:32,689 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:16:32,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:16:32,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:16:32,905 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:16:32,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash 784833407, now seen corresponding path program 1 times [2022-11-22 01:16:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:32,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104355656] [2022-11-22 01:16:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:16:33,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104355656] [2022-11-22 01:16:33,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104355656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:33,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:33,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:16:33,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657396981] [2022-11-22 01:16:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:33,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:16:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:16:33,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:16:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:16:33,588 INFO L87 Difference]: Start difference. First operand 16431 states and 23292 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:16:35,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:37,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:39,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:43,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:47,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:49,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:52,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:53,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:56,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:56,264 INFO L93 Difference]: Finished difference Result 16679 states and 23559 transitions. [2022-11-22 01:16:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:16:56,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2022-11-22 01:16:56,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:56,346 INFO L225 Difference]: With dead ends: 16679 [2022-11-22 01:16:56,346 INFO L226 Difference]: Without dead ends: 16677 [2022-11-22 01:16:56,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:16:56,357 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 2842 mSDsluCounter, 7718 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:56,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 12071 Invalid, 1435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1430 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-11-22 01:16:56,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16677 states. [2022-11-22 01:16:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16677 to 16442. [2022-11-22 01:16:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16442 states, 9148 states have (on average 1.280498469610844) internal successors, (11714), 9978 states have internal predecessors, (11714), 5706 states have call successors, (5706), 1557 states have call predecessors, (5706), 1553 states have return successors, (5884), 5374 states have call predecessors, (5884), 5704 states have call successors, (5884) [2022-11-22 01:16:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16442 states to 16442 states and 23304 transitions. [2022-11-22 01:16:57,675 INFO L78 Accepts]: Start accepts. Automaton has 16442 states and 23304 transitions. Word has length 88 [2022-11-22 01:16:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:57,676 INFO L495 AbstractCegarLoop]: Abstraction has 16442 states and 23304 transitions. [2022-11-22 01:16:57,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:16:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 16442 states and 23304 transitions. [2022-11-22 01:16:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-22 01:16:57,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:57,678 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:16:57,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:16:57,678 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:16:57,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash 929656969, now seen corresponding path program 1 times [2022-11-22 01:16:57,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:57,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161354954] [2022-11-22 01:16:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:57,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:16:58,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:58,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161354954] [2022-11-22 01:16:58,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161354954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:58,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:58,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:16:58,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186283402] [2022-11-22 01:16:58,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:58,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:16:58,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:16:58,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:16:58,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:16:58,278 INFO L87 Difference]: Start difference. First operand 16442 states and 23304 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:17:00,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:02,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:05,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:07,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:09,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:14,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:19,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:23,226 INFO L93 Difference]: Finished difference Result 19357 states and 27370 transitions. [2022-11-22 01:17:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:17:23,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 93 [2022-11-22 01:17:23,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:23,326 INFO L225 Difference]: With dead ends: 19357 [2022-11-22 01:17:23,327 INFO L226 Difference]: Without dead ends: 19355 [2022-11-22 01:17:23,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:17:23,344 INFO L413 NwaCegarLoop]: 6745 mSDtfsCounter, 3883 mSDsluCounter, 10150 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3889 SdHoareTripleChecker+Valid, 16895 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:23,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3889 Valid, 16895 Invalid, 2236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2230 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2022-11-22 01:17:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19355 states. [2022-11-22 01:17:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19355 to 19111. [2022-11-22 01:17:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19111 states, 10649 states have (on average 1.2804958212038688) internal successors, (13636), 11581 states have internal predecessors, (13636), 6645 states have call successors, (6645), 1787 states have call predecessors, (6645), 1782 states have return successors, (6826), 6274 states have call predecessors, (6826), 6643 states have call successors, (6826) [2022-11-22 01:17:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19111 states to 19111 states and 27107 transitions. [2022-11-22 01:17:24,749 INFO L78 Accepts]: Start accepts. Automaton has 19111 states and 27107 transitions. Word has length 93 [2022-11-22 01:17:24,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:24,750 INFO L495 AbstractCegarLoop]: Abstraction has 19111 states and 27107 transitions. [2022-11-22 01:17:24,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:17:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 19111 states and 27107 transitions. [2022-11-22 01:17:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-22 01:17:24,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:24,753 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:17:24,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:17:24,753 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:17:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:24,754 INFO L85 PathProgramCache]: Analyzing trace with hash 162356038, now seen corresponding path program 1 times [2022-11-22 01:17:24,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:24,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533197151] [2022-11-22 01:17:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:17:25,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:25,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533197151] [2022-11-22 01:17:25,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533197151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:25,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:25,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:17:25,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856398888] [2022-11-22 01:17:25,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:25,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:17:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:25,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:17:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:17:25,304 INFO L87 Difference]: Start difference. First operand 19111 states and 27107 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:17:26,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:28,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:31,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:36,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:39,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:41,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:41,669 INFO L93 Difference]: Finished difference Result 19225 states and 27200 transitions. [2022-11-22 01:17:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:17:41,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 98 [2022-11-22 01:17:41,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:41,749 INFO L225 Difference]: With dead ends: 19225 [2022-11-22 01:17:41,749 INFO L226 Difference]: Without dead ends: 19223 [2022-11-22 01:17:41,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:17:41,758 INFO L413 NwaCegarLoop]: 4576 mSDtfsCounter, 2044 mSDsluCounter, 7961 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 12537 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:41,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 12537 Invalid, 1683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1678 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2022-11-22 01:17:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19223 states. [2022-11-22 01:17:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19223 to 19147. [2022-11-22 01:17:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19147 states, 10669 states have (on average 1.279876277064392) internal successors, (13655), 11601 states have internal predecessors, (13655), 6653 states have call successors, (6653), 1795 states have call predecessors, (6653), 1790 states have return successors, (6834), 6282 states have call predecessors, (6834), 6651 states have call successors, (6834) [2022-11-22 01:17:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19147 states to 19147 states and 27142 transitions. [2022-11-22 01:17:42,969 INFO L78 Accepts]: Start accepts. Automaton has 19147 states and 27142 transitions. Word has length 98 [2022-11-22 01:17:42,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:42,969 INFO L495 AbstractCegarLoop]: Abstraction has 19147 states and 27142 transitions. [2022-11-22 01:17:42,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:17:42,969 INFO L276 IsEmpty]: Start isEmpty. Operand 19147 states and 27142 transitions. [2022-11-22 01:17:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 01:17:42,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:42,971 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:17:42,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:17:42,971 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:17:42,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1962198502, now seen corresponding path program 1 times [2022-11-22 01:17:42,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:42,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132747386] [2022-11-22 01:17:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:42,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-22 01:17:43,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:43,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132747386] [2022-11-22 01:17:43,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132747386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:43,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:43,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:17:43,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016850188] [2022-11-22 01:17:43,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:43,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:17:43,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:43,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:17:43,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:17:43,667 INFO L87 Difference]: Start difference. First operand 19147 states and 27142 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:17:45,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:46,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:49,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:54,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:58,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:00,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:03,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:05,014 INFO L93 Difference]: Finished difference Result 19309 states and 27299 transitions. [2022-11-22 01:18:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:18:05,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 96 [2022-11-22 01:18:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:05,081 INFO L225 Difference]: With dead ends: 19309 [2022-11-22 01:18:05,081 INFO L226 Difference]: Without dead ends: 19307 [2022-11-22 01:18:05,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:18:05,093 INFO L413 NwaCegarLoop]: 4968 mSDtfsCounter, 2770 mSDsluCounter, 8365 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 13333 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:05,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 13333 Invalid, 1639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1636 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2022-11-22 01:18:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2022-11-22 01:18:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19159. [2022-11-22 01:18:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19159 states, 10677 states have (on average 1.279666573007399) internal successors, (13663), 11605 states have internal predecessors, (13663), 6657 states have call successors, (6657), 1799 states have call predecessors, (6657), 1790 states have return successors, (6838), 6286 states have call predecessors, (6838), 6655 states have call successors, (6838) [2022-11-22 01:18:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19159 states to 19159 states and 27158 transitions. [2022-11-22 01:18:06,271 INFO L78 Accepts]: Start accepts. Automaton has 19159 states and 27158 transitions. Word has length 96 [2022-11-22 01:18:06,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:06,272 INFO L495 AbstractCegarLoop]: Abstraction has 19159 states and 27158 transitions. [2022-11-22 01:18:06,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:18:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 19159 states and 27158 transitions. [2022-11-22 01:18:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 01:18:06,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:06,274 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:18:06,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:18:06,274 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:18:06,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:06,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1378446309, now seen corresponding path program 1 times [2022-11-22 01:18:06,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:18:06,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032343263] [2022-11-22 01:18:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:18:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:18:07,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:18:07,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032343263] [2022-11-22 01:18:07,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032343263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:07,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:07,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:18:07,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521972513] [2022-11-22 01:18:07,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:07,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:18:07,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:18:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:18:07,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:18:07,029 INFO L87 Difference]: Start difference. First operand 19159 states and 27158 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:18:08,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:11,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:14,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:19,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:20,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:22,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:24,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:24,845 INFO L93 Difference]: Finished difference Result 19406 states and 27422 transitions. [2022-11-22 01:18:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:18:24,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 103 [2022-11-22 01:18:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:24,917 INFO L225 Difference]: With dead ends: 19406 [2022-11-22 01:18:24,917 INFO L226 Difference]: Without dead ends: 19404 [2022-11-22 01:18:24,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:18:24,927 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 2837 mSDsluCounter, 7718 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:24,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 12071 Invalid, 1434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1431 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2022-11-22 01:18:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19404 states. [2022-11-22 01:18:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19404 to 19203. [2022-11-22 01:18:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19203 states, 10701 states have (on average 1.2793196897486216) internal successors, (13690), 11629 states have internal predecessors, (13690), 6669 states have call successors, (6669), 1807 states have call predecessors, (6669), 1798 states have return successors, (6850), 6298 states have call predecessors, (6850), 6667 states have call successors, (6850) [2022-11-22 01:18:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19203 states to 19203 states and 27209 transitions. [2022-11-22 01:18:25,960 INFO L78 Accepts]: Start accepts. Automaton has 19203 states and 27209 transitions. Word has length 103 [2022-11-22 01:18:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:25,960 INFO L495 AbstractCegarLoop]: Abstraction has 19203 states and 27209 transitions. [2022-11-22 01:18:25,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:18:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19203 states and 27209 transitions. [2022-11-22 01:18:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-22 01:18:25,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:25,963 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:18:25,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:18:25,963 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_gadget_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:18:25,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:25,964 INFO L85 PathProgramCache]: Analyzing trace with hash -355801573, now seen corresponding path program 1 times [2022-11-22 01:18:25,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:18:25,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077137653] [2022-11-22 01:18:25,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:18:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-22 01:18:26,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:18:26,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077137653] [2022-11-22 01:18:26,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077137653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:26,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:26,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:18:26,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167204423] [2022-11-22 01:18:26,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:26,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:18:26,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:18:26,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:18:26,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:18:26,524 INFO L87 Difference]: Start difference. First operand 19203 states and 27209 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:18:30,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:35,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:39,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:40,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:43,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:45,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:45,518 INFO L93 Difference]: Finished difference Result 19404 states and 27419 transitions. [2022-11-22 01:18:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:18:45,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 101 [2022-11-22 01:18:45,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:45,573 INFO L225 Difference]: With dead ends: 19404 [2022-11-22 01:18:45,573 INFO L226 Difference]: Without dead ends: 19402 [2022-11-22 01:18:45,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:18:45,580 INFO L413 NwaCegarLoop]: 4351 mSDtfsCounter, 2830 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:45,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 12065 Invalid, 1440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1437 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2022-11-22 01:18:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19402 states. [2022-11-22 01:18:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19402 to 19203. [2022-11-22 01:18:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19203 states, 10701 states have (on average 1.2789458929072048) internal successors, (13686), 11629 states have internal predecessors, (13686), 6669 states have call successors, (6669), 1807 states have call predecessors, (6669), 1798 states have return successors, (6850), 6298 states have call predecessors, (6850), 6667 states have call successors, (6850) [2022-11-22 01:18:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19203 states to 19203 states and 27205 transitions. [2022-11-22 01:18:46,633 INFO L78 Accepts]: Start accepts. Automaton has 19203 states and 27205 transitions. Word has length 101 [2022-11-22 01:18:46,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:46,634 INFO L495 AbstractCegarLoop]: Abstraction has 19203 states and 27205 transitions. [2022-11-22 01:18:46,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:18:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19203 states and 27205 transitions. [2022-11-22 01:18:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 01:18:46,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:46,636 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:18:46,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:18:46,637 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:18:46,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1785130811, now seen corresponding path program 1 times [2022-11-22 01:18:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:18:46,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907575057] [2022-11-22 01:18:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:18:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:18:47,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:18:47,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907575057] [2022-11-22 01:18:47,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907575057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:47,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:47,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:18:47,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733457664] [2022-11-22 01:18:47,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:47,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:18:47,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:18:47,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:18:47,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:18:47,167 INFO L87 Difference]: Start difference. First operand 19203 states and 27205 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-22 01:18:48,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:50,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:52,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:55,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:00,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:06,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:08,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:10,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:12,288 INFO L93 Difference]: Finished difference Result 19455 states and 27541 transitions. [2022-11-22 01:19:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:19:12,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 104 [2022-11-22 01:19:12,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:12,388 INFO L225 Difference]: With dead ends: 19455 [2022-11-22 01:19:12,389 INFO L226 Difference]: Without dead ends: 19301 [2022-11-22 01:19:12,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:19:12,405 INFO L413 NwaCegarLoop]: 3905 mSDtfsCounter, 635 mSDsluCounter, 10654 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 698 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 14559 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:12,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 14559 Invalid, 2555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [698 Valid, 1853 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2022-11-22 01:19:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19301 states. [2022-11-22 01:19:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19301 to 19194. [2022-11-22 01:19:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19194 states, 10696 states have (on average 1.2789827973074046) internal successors, (13680), 11624 states have internal predecessors, (13680), 6665 states have call successors, (6665), 1807 states have call predecessors, (6665), 1798 states have return successors, (6846), 6294 states have call predecessors, (6846), 6663 states have call successors, (6846) [2022-11-22 01:19:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19194 states to 19194 states and 27191 transitions. [2022-11-22 01:19:13,711 INFO L78 Accepts]: Start accepts. Automaton has 19194 states and 27191 transitions. Word has length 104 [2022-11-22 01:19:13,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:13,711 INFO L495 AbstractCegarLoop]: Abstraction has 19194 states and 27191 transitions. [2022-11-22 01:19:13,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-22 01:19:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19194 states and 27191 transitions. [2022-11-22 01:19:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-22 01:19:13,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:13,713 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:19:13,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:19:13,713 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:19:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1992659208, now seen corresponding path program 1 times [2022-11-22 01:19:13,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:13,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716164567] [2022-11-22 01:19:13,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:19:14,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:14,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716164567] [2022-11-22 01:19:14,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716164567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:14,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:14,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:19:14,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330580440] [2022-11-22 01:19:14,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:14,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:19:14,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:14,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:19:14,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:19:14,235 INFO L87 Difference]: Start difference. First operand 19194 states and 27191 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:19:15,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:16,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:19,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:23,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:28,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:32,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:34,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:35,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:35,896 INFO L93 Difference]: Finished difference Result 19393 states and 27400 transitions. [2022-11-22 01:19:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:19:35,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 108 [2022-11-22 01:19:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:35,987 INFO L225 Difference]: With dead ends: 19393 [2022-11-22 01:19:35,988 INFO L226 Difference]: Without dead ends: 19391 [2022-11-22 01:19:36,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:36,004 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 2840 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 12067 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:36,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 12067 Invalid, 1435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1430 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2022-11-22 01:19:36,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19391 states. [2022-11-22 01:19:37,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19391 to 19209. [2022-11-22 01:19:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19209 states, 10706 states have (on average 1.2789090229777695) internal successors, (13692), 11634 states have internal predecessors, (13692), 6668 states have call successors, (6668), 1809 states have call predecessors, (6668), 1800 states have return successors, (6849), 6297 states have call predecessors, (6849), 6666 states have call successors, (6849) [2022-11-22 01:19:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19209 states to 19209 states and 27209 transitions. [2022-11-22 01:19:37,314 INFO L78 Accepts]: Start accepts. Automaton has 19209 states and 27209 transitions. Word has length 108 [2022-11-22 01:19:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:37,315 INFO L495 AbstractCegarLoop]: Abstraction has 19209 states and 27209 transitions. [2022-11-22 01:19:37,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:19:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19209 states and 27209 transitions. [2022-11-22 01:19:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-22 01:19:37,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:37,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:19:37,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:19:37,318 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:19:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:37,319 INFO L85 PathProgramCache]: Analyzing trace with hash -609701493, now seen corresponding path program 1 times [2022-11-22 01:19:37,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:37,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475643594] [2022-11-22 01:19:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:19:37,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475643594] [2022-11-22 01:19:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475643594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:37,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:37,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:19:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210775882] [2022-11-22 01:19:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:37,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:19:37,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:19:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:19:37,835 INFO L87 Difference]: Start difference. First operand 19209 states and 27209 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:19:39,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:41,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:43,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:45,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:49,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:52,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:54,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:56,768 INFO L93 Difference]: Finished difference Result 19220 states and 27215 transitions. [2022-11-22 01:19:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:19:56,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 110 [2022-11-22 01:19:56,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:56,875 INFO L225 Difference]: With dead ends: 19220 [2022-11-22 01:19:56,875 INFO L226 Difference]: Without dead ends: 19218 [2022-11-22 01:19:56,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:56,890 INFO L413 NwaCegarLoop]: 3842 mSDtfsCounter, 3877 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:56,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 9071 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1114 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2022-11-22 01:19:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19218 states. [2022-11-22 01:19:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19218 to 19207. [2022-11-22 01:19:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19207 states, 10705 states have (on average 1.2785614198972444) internal successors, (13687), 11632 states have internal predecessors, (13687), 6668 states have call successors, (6668), 1809 states have call predecessors, (6668), 1800 states have return successors, (6849), 6297 states have call predecessors, (6849), 6666 states have call successors, (6849) [2022-11-22 01:19:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19207 states to 19207 states and 27204 transitions. [2022-11-22 01:19:58,369 INFO L78 Accepts]: Start accepts. Automaton has 19207 states and 27204 transitions. Word has length 110 [2022-11-22 01:19:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:58,370 INFO L495 AbstractCegarLoop]: Abstraction has 19207 states and 27204 transitions. [2022-11-22 01:19:58,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:19:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19207 states and 27204 transitions. [2022-11-22 01:19:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-22 01:19:58,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:58,373 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:19:58,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:19:58,373 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:19:58,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1841270272, now seen corresponding path program 1 times [2022-11-22 01:19:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:58,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650607796] [2022-11-22 01:19:58,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:19:58,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:58,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650607796] [2022-11-22 01:19:58,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650607796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:58,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:58,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:19:58,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284860286] [2022-11-22 01:19:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:58,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:19:58,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:58,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:19:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:19:58,905 INFO L87 Difference]: Start difference. First operand 19207 states and 27204 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 01:20:00,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:01,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:03,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:07,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:15,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:20:15,874 INFO L93 Difference]: Finished difference Result 19387 states and 27391 transitions. [2022-11-22 01:20:15,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:20:15,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 115 [2022-11-22 01:20:15,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:20:15,944 INFO L225 Difference]: With dead ends: 19387 [2022-11-22 01:20:15,944 INFO L226 Difference]: Without dead ends: 19385 [2022-11-22 01:20:15,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:20:15,955 INFO L413 NwaCegarLoop]: 4351 mSDtfsCounter, 2823 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:20:15,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 12065 Invalid, 1432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1428 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2022-11-22 01:20:15,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19385 states. [2022-11-22 01:20:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19385 to 19218. [2022-11-22 01:20:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19218 states, 10711 states have (on average 1.2784053776491457) internal successors, (13693), 11638 states have internal predecessors, (13693), 6671 states have call successors, (6671), 1811 states have call predecessors, (6671), 1802 states have return successors, (6852), 6300 states have call predecessors, (6852), 6669 states have call successors, (6852) [2022-11-22 01:20:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19218 states to 19218 states and 27216 transitions. [2022-11-22 01:20:17,441 INFO L78 Accepts]: Start accepts. Automaton has 19218 states and 27216 transitions. Word has length 115 [2022-11-22 01:20:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:20:17,442 INFO L495 AbstractCegarLoop]: Abstraction has 19218 states and 27216 transitions. [2022-11-22 01:20:17,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 01:20:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 19218 states and 27216 transitions. [2022-11-22 01:20:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-22 01:20:17,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:20:17,444 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:20:17,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:20:17,445 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:20:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:20:17,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1652567219, now seen corresponding path program 1 times [2022-11-22 01:20:17,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:20:17,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720283433] [2022-11-22 01:20:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:20:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:20:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:20:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-22 01:20:19,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:20:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720283433] [2022-11-22 01:20:19,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720283433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:20:19,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:20:19,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-22 01:20:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93873102] [2022-11-22 01:20:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:20:19,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:20:19,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:20:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:20:19,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:20:19,428 INFO L87 Difference]: Start difference. First operand 19218 states and 27216 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-22 01:20:21,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:23,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:24,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:26,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:28,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:34,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:44,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:50,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:52,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:54,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:56,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:57,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:59,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:01,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:03,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:06,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:08,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:10,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:17,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:17,101 INFO L93 Difference]: Finished difference Result 32463 states and 45875 transitions. [2022-11-22 01:21:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:21:17,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 111 [2022-11-22 01:21:17,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:17,238 INFO L225 Difference]: With dead ends: 32463 [2022-11-22 01:21:17,238 INFO L226 Difference]: Without dead ends: 32054 [2022-11-22 01:21:17,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:21:17,259 INFO L413 NwaCegarLoop]: 4266 mSDtfsCounter, 3155 mSDsluCounter, 33179 mSDsCounter, 0 mSdLazyCounter, 5609 mSolverCounterSat, 581 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 37445 SdHoareTripleChecker+Invalid, 6198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 5609 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:17,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 37445 Invalid, 6198 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [581 Valid, 5609 Invalid, 8 Unknown, 0 Unchecked, 54.6s Time] [2022-11-22 01:21:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32054 states. [2022-11-22 01:21:19,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32054 to 31571. [2022-11-22 01:21:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31571 states, 17560 states have (on average 1.2786446469248292) internal successors, (22453), 19113 states have internal predecessors, (22453), 10998 states have call successors, (10998), 2995 states have call predecessors, (10998), 2979 states have return successors, (11360), 10362 states have call predecessors, (11360), 10996 states have call successors, (11360) [2022-11-22 01:21:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31571 states to 31571 states and 44811 transitions. [2022-11-22 01:21:20,145 INFO L78 Accepts]: Start accepts. Automaton has 31571 states and 44811 transitions. Word has length 111 [2022-11-22 01:21:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:20,145 INFO L495 AbstractCegarLoop]: Abstraction has 31571 states and 44811 transitions. [2022-11-22 01:21:20,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-22 01:21:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 31571 states and 44811 transitions. [2022-11-22 01:21:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 01:21:20,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:20,148 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:20,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 01:21:20,149 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:21:20,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:20,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1673712682, now seen corresponding path program 1 times [2022-11-22 01:21:20,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:20,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120954248] [2022-11-22 01:21:20,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:20,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:21:20,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:20,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120954248] [2022-11-22 01:21:20,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120954248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:20,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:20,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:21:20,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282993686] [2022-11-22 01:21:20,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:20,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:21:20,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:20,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:21:20,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:21:20,872 INFO L87 Difference]: Start difference. First operand 31571 states and 44811 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 01:21:22,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:25,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:29,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:34,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:35,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:38,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:41,096 INFO L93 Difference]: Finished difference Result 31738 states and 44983 transitions. [2022-11-22 01:21:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:21:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 120 [2022-11-22 01:21:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:41,258 INFO L225 Difference]: With dead ends: 31738 [2022-11-22 01:21:41,258 INFO L226 Difference]: Without dead ends: 31736 [2022-11-22 01:21:41,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:21:41,275 INFO L413 NwaCegarLoop]: 4351 mSDtfsCounter, 2824 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:41,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 12065 Invalid, 1434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1431 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2022-11-22 01:21:41,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31736 states. [2022-11-22 01:21:43,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31736 to 31582. [2022-11-22 01:21:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31582 states, 17566 states have (on average 1.278549470568143) internal successors, (22459), 19119 states have internal predecessors, (22459), 11001 states have call successors, (11001), 2997 states have call predecessors, (11001), 2981 states have return successors, (11363), 10365 states have call predecessors, (11363), 10999 states have call successors, (11363) [2022-11-22 01:21:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31582 states to 31582 states and 44823 transitions. [2022-11-22 01:21:44,096 INFO L78 Accepts]: Start accepts. Automaton has 31582 states and 44823 transitions. Word has length 120 [2022-11-22 01:21:44,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:44,097 INFO L495 AbstractCegarLoop]: Abstraction has 31582 states and 44823 transitions. [2022-11-22 01:21:44,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 01:21:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31582 states and 44823 transitions. [2022-11-22 01:21:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-22 01:21:44,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:44,100 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:44,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 01:21:44,101 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:21:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:44,102 INFO L85 PathProgramCache]: Analyzing trace with hash 503528792, now seen corresponding path program 1 times [2022-11-22 01:21:44,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:44,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727444859] [2022-11-22 01:21:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-22 01:21:44,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:44,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727444859] [2022-11-22 01:21:44,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727444859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:44,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:44,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:21:44,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575168277] [2022-11-22 01:21:44,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:44,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:21:44,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:21:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:21:44,655 INFO L87 Difference]: Start difference. First operand 31582 states and 44823 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:21:46,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:47,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:50,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:54,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:58,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:00,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:03,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:05,368 INFO L93 Difference]: Finished difference Result 31778 states and 45022 transitions. [2022-11-22 01:22:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:22:05,369 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2022-11-22 01:22:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:05,498 INFO L225 Difference]: With dead ends: 31778 [2022-11-22 01:22:05,498 INFO L226 Difference]: Without dead ends: 31776 [2022-11-22 01:22:05,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:05,520 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 2814 mSDsluCounter, 7717 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 12071 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:05,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 12071 Invalid, 1440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1437 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2022-11-22 01:22:05,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31776 states. [2022-11-22 01:22:08,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31776 to 31582. [2022-11-22 01:22:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31582 states, 17566 states have (on average 1.2776386200614824) internal successors, (22443), 19119 states have internal predecessors, (22443), 11001 states have call successors, (11001), 2997 states have call predecessors, (11001), 2981 states have return successors, (11363), 10365 states have call predecessors, (11363), 10999 states have call successors, (11363) [2022-11-22 01:22:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31582 states to 31582 states and 44807 transitions. [2022-11-22 01:22:08,245 INFO L78 Accepts]: Start accepts. Automaton has 31582 states and 44807 transitions. Word has length 116 [2022-11-22 01:22:08,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:08,246 INFO L495 AbstractCegarLoop]: Abstraction has 31582 states and 44807 transitions. [2022-11-22 01:22:08,246 INFO L496 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 01:22:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 31582 states and 44807 transitions. [2022-11-22 01:22:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-22 01:22:08,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:08,249 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:08,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 01:22:08,249 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:22:08,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash -255142750, now seen corresponding path program 1 times [2022-11-22 01:22:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:08,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627420890] [2022-11-22 01:22:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:22:08,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:08,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627420890] [2022-11-22 01:22:08,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627420890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:08,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:08,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:22:08,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812822406] [2022-11-22 01:22:08,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:08,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:22:08,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:08,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:22:08,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:22:08,728 INFO L87 Difference]: Start difference. First operand 31582 states and 44807 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 01:22:12,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:17,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:21,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:23,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:25,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:28,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:28,166 INFO L93 Difference]: Finished difference Result 31734 states and 44963 transitions. [2022-11-22 01:22:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:22:28,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 125 [2022-11-22 01:22:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:28,267 INFO L225 Difference]: With dead ends: 31734 [2022-11-22 01:22:28,267 INFO L226 Difference]: Without dead ends: 31732 [2022-11-22 01:22:28,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:22:28,282 INFO L413 NwaCegarLoop]: 4351 mSDtfsCounter, 2819 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:28,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 12065 Invalid, 1434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1431 Invalid, 2 Unknown, 0 Unchecked, 16.7s Time] [2022-11-22 01:22:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31732 states. [2022-11-22 01:22:31,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31732 to 31593. [2022-11-22 01:22:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31593 states, 17572 states have (on average 1.27754381971318) internal successors, (22449), 19125 states have internal predecessors, (22449), 11004 states have call successors, (11004), 2999 states have call predecessors, (11004), 2983 states have return successors, (11366), 10368 states have call predecessors, (11366), 11002 states have call successors, (11366) [2022-11-22 01:22:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31593 states to 31593 states and 44819 transitions. [2022-11-22 01:22:31,296 INFO L78 Accepts]: Start accepts. Automaton has 31593 states and 44819 transitions. Word has length 125 [2022-11-22 01:22:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:31,296 INFO L495 AbstractCegarLoop]: Abstraction has 31593 states and 44819 transitions. [2022-11-22 01:22:31,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 01:22:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 31593 states and 44819 transitions. [2022-11-22 01:22:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 01:22:31,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:31,299 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:31,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 01:22:31,299 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:22:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2071532533, now seen corresponding path program 1 times [2022-11-22 01:22:31,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:31,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788312177] [2022-11-22 01:22:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-22 01:22:32,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:32,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788312177] [2022-11-22 01:22:32,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788312177] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:32,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264964335] [2022-11-22 01:22:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:32,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:32,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:32,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:22:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:34,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 3554 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-22 01:22:34,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:22:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-22 01:22:34,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:22:34,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264964335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:34,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:22:34,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 10 [2022-11-22 01:22:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250111228] [2022-11-22 01:22:34,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:34,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:22:34,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:34,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:22:34,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:34,902 INFO L87 Difference]: Start difference. First operand 31593 states and 44819 transitions. Second operand has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-22 01:22:37,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:38,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:39,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:42,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:45,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:52,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:56,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:58,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:00,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:02,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:04,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:06,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:11,710 INFO L93 Difference]: Finished difference Result 63194 states and 89676 transitions. [2022-11-22 01:23:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:23:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) Word has length 124 [2022-11-22 01:23:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:11,802 INFO L225 Difference]: With dead ends: 63194 [2022-11-22 01:23:11,803 INFO L226 Difference]: Without dead ends: 31647 [2022-11-22 01:23:11,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:23:11,919 INFO L413 NwaCegarLoop]: 3565 mSDtfsCounter, 382 mSDsluCounter, 17350 mSDsCounter, 0 mSdLazyCounter, 3499 mSolverCounterSat, 340 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 20915 SdHoareTripleChecker+Invalid, 3844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 3499 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:11,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 20915 Invalid, 3844 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [340 Valid, 3499 Invalid, 5 Unknown, 0 Unchecked, 33.2s Time] [2022-11-22 01:23:11,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31647 states. [2022-11-22 01:23:14,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31647 to 31593. [2022-11-22 01:23:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31593 states, 17572 states have (on average 1.2774869109947644) internal successors, (22448), 19124 states have internal predecessors, (22448), 11004 states have call successors, (11004), 2999 states have call predecessors, (11004), 2983 states have return successors, (11366), 10368 states have call predecessors, (11366), 11002 states have call successors, (11366) [2022-11-22 01:23:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31593 states to 31593 states and 44818 transitions. [2022-11-22 01:23:15,025 INFO L78 Accepts]: Start accepts. Automaton has 31593 states and 44818 transitions. Word has length 124 [2022-11-22 01:23:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:15,026 INFO L495 AbstractCegarLoop]: Abstraction has 31593 states and 44818 transitions. [2022-11-22 01:23:15,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-22 01:23:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31593 states and 44818 transitions. [2022-11-22 01:23:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-22 01:23:15,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:15,029 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:15,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:23:15,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-22 01:23:15,235 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:23:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:15,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1290701466, now seen corresponding path program 1 times [2022-11-22 01:23:15,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:15,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843621001] [2022-11-22 01:23:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 01:23:15,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:15,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843621001] [2022-11-22 01:23:15,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843621001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:15,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:15,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:23:15,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936251519] [2022-11-22 01:23:15,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:15,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:23:15,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:15,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:23:15,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:23:15,744 INFO L87 Difference]: Start difference. First operand 31593 states and 44818 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:23:17,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:20,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:25,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:29,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:23:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:32,812 INFO L93 Difference]: Finished difference Result 31732 states and 44959 transitions. [2022-11-22 01:23:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:23:32,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 130 [2022-11-22 01:23:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:32,909 INFO L225 Difference]: With dead ends: 31732 [2022-11-22 01:23:32,909 INFO L226 Difference]: Without dead ends: 31730 [2022-11-22 01:23:32,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:23:32,921 INFO L413 NwaCegarLoop]: 4351 mSDtfsCounter, 2812 mSDsluCounter, 7714 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 12065 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:32,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 12065 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1426 Invalid, 4 Unknown, 0 Unchecked, 14.2s Time] [2022-11-22 01:23:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31730 states. [2022-11-22 01:23:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31730 to 31604. [2022-11-22 01:23:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31604 states, 17578 states have (on average 1.2773921947889406) internal successors, (22454), 19130 states have internal predecessors, (22454), 11007 states have call successors, (11007), 3001 states have call predecessors, (11007), 2985 states have return successors, (11369), 10371 states have call predecessors, (11369), 11005 states have call successors, (11369) [2022-11-22 01:23:35,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31604 states to 31604 states and 44830 transitions. [2022-11-22 01:23:35,587 INFO L78 Accepts]: Start accepts. Automaton has 31604 states and 44830 transitions. Word has length 130 [2022-11-22 01:23:35,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:35,588 INFO L495 AbstractCegarLoop]: Abstraction has 31604 states and 44830 transitions. [2022-11-22 01:23:35,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:23:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 31604 states and 44830 transitions. [2022-11-22 01:23:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 01:23:35,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:35,591 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:35,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 01:23:35,591 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-22 01:23:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash -353988475, now seen corresponding path program 1 times [2022-11-22 01:23:35,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:35,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637319248] [2022-11-22 01:23:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-22 01:23:40,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:40,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637319248] [2022-11-22 01:23:40,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637319248] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:40,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977249075] [2022-11-22 01:23:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:40,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:40,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:40,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:40,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35759b85-07f8-4f01-a40f-05c7214f20d4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:23:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:43,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 3564 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-22 01:23:43,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-22 01:23:44,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-22 01:23:45,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977249075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:45,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1258900874] [2022-11-22 01:23:45,739 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2022-11-22 01:23:45,740 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:45,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:45,750 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:45,752 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:53,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:23:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:23:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:23:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:23:55,306 INFO L217 Elim1Store]: Index analysis took 148 ms [2022-11-22 01:23:59,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2218 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 636 treesize of output 830 [2022-11-22 01:24:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:01,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2227 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 681 treesize of output 866 [2022-11-22 01:24:02,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2213 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 628 treesize of output 814 [2022-11-22 01:24:02,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:24:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:03,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 328 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 1968 treesize of output 1630 [2022-11-22 01:24:05,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:24:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:07,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:07,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:07,526 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-22 01:24:13,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2218 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 636 treesize of output 830 [2022-11-22 01:24:17,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2213 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 628 treesize of output 814 [2022-11-22 01:24:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:24:19,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2217 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 651 treesize of output 830 [2022-11-22 01:24:20,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2218 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 638 treesize of output 832 [2022-11-22 01:24:21,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:24:22,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:24:22,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:24:22,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11