./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur --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 cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 --- 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-38b53e6 [2022-11-26 01:04:02,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:04:02,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:04:02,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:04:02,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:04:02,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:04:02,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:04:02,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:04:02,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:04:02,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:04:02,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:04:02,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:04:02,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:04:02,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:04:02,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:04:02,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:04:02,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:04:02,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:04:02,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:04:02,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:04:02,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:04:02,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:04:02,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:04:02,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:04:02,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:04:02,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:04:02,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:04:02,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:04:02,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:04:02,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:04:02,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:04:02,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:04:02,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:04:02,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:04:02,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:04:02,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:04:02,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:04:02,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:04:02,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:04:02,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:04:02,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:04:02,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:04:02,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:04:02,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:04:02,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:04:02,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:04:02,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:04:02,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:04:02,386 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:04:02,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:04:02,387 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:04:02,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:04:02,388 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:04:02,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:04:02,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:04:02,389 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:04:02,390 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:04:02,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:04:02,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:04:02,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:04:02,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:04:02,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:04:02,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:04:02,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:04:02,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:04:02,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:04:02,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:04:02,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:04:02,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:04:02,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:04:02,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:04:02,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:02,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:04:02,396 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:04:02,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:04:02,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:04:02,397 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:04:02,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:04:02,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:04:02,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:04:02,399 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_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 [2022-11-26 01:04:02,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:04:02,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:04:02,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:04:02,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:04:02,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:04:02,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-26 01:04:05,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:04:06,805 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:04:06,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-26 01:04:06,889 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/data/95428dd0d/5235d6ba1940462eb3e4d2d0d5b48a1d/FLAGe35e31e88 [2022-11-26 01:04:06,911 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/data/95428dd0d/5235d6ba1940462eb3e4d2d0d5b48a1d [2022-11-26 01:04:06,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:04:06,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:04:06,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:06,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:04:06,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:04:06,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:06" (1/1) ... [2022-11-26 01:04:06,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144692c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:06, skipping insertion in model container [2022-11-26 01:04:06,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:06" (1/1) ... [2022-11-26 01:04:06,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:04:07,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:04:08,545 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 01:04:08,559 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 01:04:08,631 WARN L623 FunctionHandler]: Unknown extern function __bitmap_empty [2022-11-26 01:04:08,641 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-26 01:04:08,663 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:08,909 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:04:08,931 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:04:08,953 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:04:09,042 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-11-26 01:04:09,062 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_file_ns [2022-11-26 01:04:09,073 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_file_ns [2022-11-26 01:04:09,272 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 01:04:09,279 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 01:04:09,346 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-11-26 01:04:09,421 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:04:09,427 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:04:09,427 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:04:09,437 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:04:09,448 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 01:04:09,450 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-11-26 01:04:09,459 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-11-26 01:04:09,480 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 01:04:09,510 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 01:04:09,558 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:09,619 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:09,620 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:09,621 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:09,622 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 01:04:09,629 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:09,630 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:09,631 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:09,632 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 01:04:09,649 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 01:04:09,697 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:09,987 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:09,990 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:09,991 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,000 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-11-26 01:04:10,015 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_to_rq [2022-11-26 01:04:10,032 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,034 WARN L623 FunctionHandler]: Unknown extern function up [2022-11-26 01:04:10,035 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-11-26 01:04:10,043 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,044 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,106 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,108 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,109 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,110 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,111 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,112 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,114 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,116 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,125 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,126 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,136 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,141 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,158 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,162 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 01:04:10,194 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,200 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,207 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,211 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,218 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,221 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,223 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,225 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,230 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,247 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,249 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,252 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:10,266 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 01:04:10,288 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,290 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,291 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,292 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:10,302 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,305 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 01:04:10,339 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-11-26 01:04:10,340 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,341 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:10,341 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:10,413 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-11-26 01:04:10,413 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-11-26 01:04:10,420 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,421 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,422 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:10,425 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,425 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,426 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,427 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,427 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,428 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,429 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,430 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,433 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:10,465 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,475 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,476 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,477 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,478 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,480 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,487 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,488 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,489 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,489 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:10,491 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:10,492 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,507 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,507 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,508 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,508 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,509 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,509 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,510 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,511 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,512 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,513 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,513 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,514 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,521 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,537 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:10,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,542 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,562 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,568 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,568 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,596 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,597 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,597 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,606 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,607 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,609 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,610 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,611 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,612 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,613 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:10,615 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,616 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,616 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,626 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,634 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,634 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,635 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,636 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,637 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,638 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,640 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,643 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,644 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,645 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,648 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,651 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,652 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,658 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,659 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,661 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,662 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,663 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,664 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,666 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,674 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,674 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,675 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,676 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,685 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,699 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 01:04:10,699 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,700 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:10,701 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:10,711 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-11-26 01:04:10,717 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:10,718 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:10,719 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:10,720 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:10,721 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:10,721 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,742 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,742 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,743 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,749 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,750 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,751 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:10,752 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,752 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:10,753 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,753 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:10,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,761 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:10,761 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 01:04:10,762 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 01:04:10,763 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:10,763 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:10,764 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:10,769 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 01:04:10,769 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:10,771 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 01:04:10,771 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:10,778 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,779 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,785 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:10,786 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:10,787 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,795 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,798 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,799 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,799 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,800 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,801 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,808 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_table [2022-11-26 01:04:10,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,814 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:10,817 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:10,818 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:10,819 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:10,819 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,820 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:10,820 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,821 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,822 WARN L623 FunctionHandler]: Unknown extern function dev_driver_string [2022-11-26 01:04:10,822 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,823 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:10,824 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:10,825 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:10,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,833 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,840 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:10,840 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:10,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,860 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,877 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:04:10,884 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:04:10,886 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:10,886 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:10,887 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:10,888 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:10,895 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,907 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-11-26 01:04:10,907 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 01:04:10,921 WARN L623 FunctionHandler]: Unknown extern function down_trylock [2022-11-26 01:04:10,929 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-11-26 01:04:10,936 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:10,943 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:10,944 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 01:04:10,945 WARN L623 FunctionHandler]: Unknown extern function alloc_disk_node [2022-11-26 01:04:10,946 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,946 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-11-26 01:04:10,950 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-11-26 01:04:10,951 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,951 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-11-26 01:04:10,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,954 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,955 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 01:04:10,955 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 01:04:10,956 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 01:04:10,956 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 01:04:10,956 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 01:04:10,957 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 01:04:10,957 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-26 01:04:10,958 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_discard_sectors [2022-11-26 01:04:10,958 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:10,959 WARN L623 FunctionHandler]: Unknown extern function bdget_disk [2022-11-26 01:04:10,959 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:10,960 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:10,960 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:10,960 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 01:04:10,961 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:10,962 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 01:04:10,962 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:10,963 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:10,963 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:10,970 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:10,971 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 01:04:10,974 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:10,975 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:10,975 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:10,976 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:10,976 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:10,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,983 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:10,984 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:10,986 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:10,993 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,000 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,013 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:11,076 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-11-26 01:04:11,077 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,102 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,103 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,105 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,107 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,107 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,108 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 01:04:11,108 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,109 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,110 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,110 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:11,111 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 01:04:11,111 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-26 01:04:11,112 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,113 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-11-26 01:04:11,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,114 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_regions [2022-11-26 01:04:11,114 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,115 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:11,117 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 01:04:11,118 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:11,119 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:11,120 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:11,121 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 01:04:11,124 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-26 01:04:11,125 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,132 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:11,133 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,133 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,136 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,136 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,137 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,138 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,142 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,143 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,144 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,144 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,145 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,145 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,146 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,147 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,147 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:11,148 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:11,149 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:04:11,149 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:11,150 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,150 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 01:04:11,155 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 01:04:11,156 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 01:04:11,156 WARN L623 FunctionHandler]: Unknown extern function pcim_iounmap_regions [2022-11-26 01:04:11,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:11,165 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 01:04:11,165 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:11,165 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:11,166 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:11,167 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 01:04:11,167 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 01:04:11,167 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 01:04:11,168 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:11,168 WARN L623 FunctionHandler]: Unknown extern function pcim_iounmap_regions [2022-11-26 01:04:11,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,176 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 01:04:11,177 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:04:11,177 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:04:11,183 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,184 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:04:11,184 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 01:04:11,185 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-11-26 01:04:11,185 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,185 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:04:11,186 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:11,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:11,200 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:11,201 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 01:04:11,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:11,202 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 01:04:11,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:11,203 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:11,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:11,204 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 01:04:11,205 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 01:04:11,211 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 01:04:11,212 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-11-26 01:04:11,581 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:11,583 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:11,584 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:11,585 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:11,586 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:11,586 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:11,603 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:04:11,604 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-11-26 01:04:11,604 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:11,605 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:11,606 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:11,606 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:11,607 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-11-26 01:04:11,607 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-11-26 01:04:11,608 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 01:04:11,608 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:11,608 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:11,609 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:11,609 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:11,609 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:11,610 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:11,610 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:11,610 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:11,611 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:11,611 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:11,612 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:11,612 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:11,612 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:04:11,613 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:04:11,614 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:04:12,305 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:04:12,637 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:04:13,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2022-11-26 01:04:13,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2022-11-26 01:04:13,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2022-11-26 01:04:13,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2022-11-26 01:04:13,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2022-11-26 01:04:13,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2022-11-26 01:04:13,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2022-11-26 01:04:13,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2022-11-26 01:04:13,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2022-11-26 01:04:13,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2022-11-26 01:04:13,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2022-11-26 01:04:13,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2022-11-26 01:04:13,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2022-11-26 01:04:13,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2022-11-26 01:04:13,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2022-11-26 01:04:13,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2022-11-26 01:04:13,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2022-11-26 01:04:13,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2022-11-26 01:04:13,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2022-11-26 01:04:13,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2022-11-26 01:04:13,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2022-11-26 01:04:13,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2022-11-26 01:04:13,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2022-11-26 01:04:13,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2022-11-26 01:04:13,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2022-11-26 01:04:13,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2022-11-26 01:04:13,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2022-11-26 01:04:13,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2022-11-26 01:04:13,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2022-11-26 01:04:13,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2022-11-26 01:04:13,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2022-11-26 01:04:13,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2022-11-26 01:04:13,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2022-11-26 01:04:13,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2022-11-26 01:04:13,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2022-11-26 01:04:13,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2022-11-26 01:04:13,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2022-11-26 01:04:13,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2022-11-26 01:04:13,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2022-11-26 01:04:13,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2022-11-26 01:04:13,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2022-11-26 01:04:13,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2022-11-26 01:04:13,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2022-11-26 01:04:13,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2022-11-26 01:04:13,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2022-11-26 01:04:13,536 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2022-11-26 01:04:13,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2022-11-26 01:04:13,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2022-11-26 01:04:13,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2022-11-26 01:04:13,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2022-11-26 01:04:13,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2022-11-26 01:04:13,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2022-11-26 01:04:13,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2022-11-26 01:04:13,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2022-11-26 01:04:13,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2022-11-26 01:04:13,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2022-11-26 01:04:13,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2022-11-26 01:04:13,543 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2022-11-26 01:04:13,543 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2022-11-26 01:04:13,544 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2022-11-26 01:04:13,545 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2022-11-26 01:04:13,545 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2022-11-26 01:04:13,545 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2022-11-26 01:04:13,546 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2022-11-26 01:04:13,546 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2022-11-26 01:04:13,547 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2022-11-26 01:04:13,548 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2022-11-26 01:04:13,549 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2022-11-26 01:04:13,549 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2022-11-26 01:04:13,549 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2022-11-26 01:04:13,550 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2022-11-26 01:04:13,551 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2022-11-26 01:04:13,551 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2022-11-26 01:04:13,552 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2022-11-26 01:04:13,552 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2022-11-26 01:04:13,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2022-11-26 01:04:13,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2022-11-26 01:04:13,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2022-11-26 01:04:13,554 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2022-11-26 01:04:13,554 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2022-11-26 01:04:13,555 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2022-11-26 01:04:13,555 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2022-11-26 01:04:13,555 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2022-11-26 01:04:13,556 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2022-11-26 01:04:13,556 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2022-11-26 01:04:13,557 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2022-11-26 01:04:13,557 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2022-11-26 01:04:13,557 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2022-11-26 01:04:13,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:13,640 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:04:13,827 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 01:04:13,828 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 01:04:13,829 WARN L623 FunctionHandler]: Unknown extern function __bitmap_empty [2022-11-26 01:04:13,829 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-26 01:04:13,830 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:13,835 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:04:13,836 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:04:13,836 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 01:04:13,837 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-11-26 01:04:13,838 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_file_ns [2022-11-26 01:04:13,838 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_file_ns [2022-11-26 01:04:13,842 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 01:04:13,845 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 01:04:13,848 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-11-26 01:04:13,853 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:04:13,854 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 01:04:13,855 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 01:04:13,856 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 01:04:13,857 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 01:04:13,858 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-11-26 01:04:13,859 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-11-26 01:04:13,860 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 01:04:13,862 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 01:04:13,866 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:13,867 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:13,868 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:13,868 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:13,868 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 01:04:13,869 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:13,869 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:13,870 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:13,870 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 01:04:13,871 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 01:04:13,872 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:13,876 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,877 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:13,877 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,878 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-11-26 01:04:13,882 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_to_rq [2022-11-26 01:04:13,893 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,896 WARN L623 FunctionHandler]: Unknown extern function up [2022-11-26 01:04:13,897 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-11-26 01:04:13,898 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:13,898 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:13,904 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:13,905 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:13,915 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:13,915 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,918 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:13,919 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:13,920 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,922 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:13,923 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:13,924 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:13,926 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,927 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,928 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 01:04:13,930 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,932 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:13,937 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:13,938 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,938 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:13,939 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:13,940 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:13,941 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,949 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,954 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,957 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:13,964 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:13,973 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 01:04:13,977 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,978 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,979 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:13,980 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:13,985 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:13,987 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 01:04:13,993 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-11-26 01:04:13,996 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:13,997 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:13,998 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:14,001 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-11-26 01:04:14,005 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-11-26 01:04:14,022 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,023 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,024 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:14,026 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:14,027 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,035 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,036 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:14,037 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,040 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:14,053 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,058 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,061 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,065 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,068 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,070 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,074 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:14,075 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:14,076 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:14,076 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:14,078 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 01:04:14,079 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,084 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,085 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,087 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,087 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,089 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,090 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,092 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,143 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,147 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,147 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,148 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,148 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,151 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,158 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:14,159 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,167 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,176 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,181 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,192 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,193 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,193 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,197 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,199 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,200 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,200 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,201 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,202 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,203 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 01:04:14,204 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,205 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,206 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,207 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,208 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,211 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,211 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,212 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,212 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,213 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,214 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,214 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,215 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,216 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,216 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,217 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,217 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,218 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,218 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,219 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,220 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,220 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,221 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,222 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,223 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,224 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,224 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,225 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,227 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,228 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 01:04:14,228 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,229 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:14,230 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:14,230 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-11-26 01:04:14,231 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:14,231 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:14,232 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:14,233 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:14,233 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:14,234 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,235 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,236 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,236 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,237 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,237 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:14,239 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:14,239 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,239 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:14,240 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,240 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:14,241 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,242 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:14,244 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 01:04:14,244 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 01:04:14,245 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:14,245 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:14,246 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:14,248 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 01:04:14,248 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:14,249 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 01:04:14,249 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 01:04:14,250 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,250 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,251 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:14,252 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:14,252 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,254 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,255 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,256 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,256 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,257 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,257 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,259 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_table [2022-11-26 01:04:14,260 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,261 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:14,267 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:14,267 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 01:04:14,268 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:14,268 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,269 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-26 01:04:14,269 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,271 WARN L623 FunctionHandler]: Unknown extern function dev_driver_string [2022-11-26 01:04:14,271 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,272 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:14,272 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:14,273 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:14,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,275 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,276 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-11-26 01:04:14,277 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,278 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,279 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,283 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:04:14,285 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 01:04:14,286 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:14,287 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:14,288 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:14,289 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:14,291 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,295 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-11-26 01:04:14,296 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 01:04:14,297 WARN L623 FunctionHandler]: Unknown extern function down_trylock [2022-11-26 01:04:14,298 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-11-26 01:04:14,299 WARN L623 FunctionHandler]: Unknown extern function dmam_free_coherent [2022-11-26 01:04:14,300 WARN L623 FunctionHandler]: Unknown extern function dmam_alloc_coherent [2022-11-26 01:04:14,302 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 01:04:14,303 WARN L623 FunctionHandler]: Unknown extern function alloc_disk_node [2022-11-26 01:04:14,304 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,304 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-11-26 01:04:14,310 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-11-26 01:04:14,311 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,311 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-11-26 01:04:14,312 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,315 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,315 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 01:04:14,316 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 01:04:14,316 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 01:04:14,316 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 01:04:14,317 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 01:04:14,317 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 01:04:14,317 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-11-26 01:04:14,318 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_discard_sectors [2022-11-26 01:04:14,318 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,319 WARN L623 FunctionHandler]: Unknown extern function bdget_disk [2022-11-26 01:04:14,319 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:14,320 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:14,320 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 01:04:14,321 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 01:04:14,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,322 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 01:04:14,323 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:14,323 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:14,324 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:14,325 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:14,325 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 01:04:14,326 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-11-26 01:04:14,326 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 01:04:14,327 WARN L623 FunctionHandler]: Unknown extern function bdput [2022-11-26 01:04:14,327 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:14,328 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:14,328 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,329 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,330 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-11-26 01:04:14,331 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-11-26 01:04:14,331 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,332 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,332 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:14,336 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-11-26 01:04:14,336 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,348 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,349 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,349 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,350 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,351 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,351 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 01:04:14,352 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,352 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,352 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,353 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:14,353 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 01:04:14,353 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-26 01:04:14,356 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,358 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-11-26 01:04:14,358 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,358 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_regions [2022-11-26 01:04:14,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,359 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,360 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 01:04:14,363 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,364 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:14,365 WARN L623 FunctionHandler]: Unknown extern function cpumask_of_node [2022-11-26 01:04:14,365 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 01:04:14,367 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-26 01:04:14,367 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,369 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 01:04:14,372 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,372 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,373 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,374 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,374 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,375 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,375 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,376 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,376 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,377 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,377 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,378 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,378 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,379 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,379 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 01:04:14,380 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 01:04:14,381 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:04:14,381 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,381 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,382 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 01:04:14,383 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 01:04:14,383 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 01:04:14,383 WARN L623 FunctionHandler]: Unknown extern function pcim_iounmap_regions [2022-11-26 01:04:14,384 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,386 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 01:04:14,386 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 01:04:14,386 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 01:04:14,387 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 01:04:14,388 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-26 01:04:14,388 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 01:04:14,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 01:04:14,389 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:14,389 WARN L623 FunctionHandler]: Unknown extern function pcim_iounmap_regions [2022-11-26 01:04:14,390 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,391 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,391 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 01:04:14,391 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 01:04:14,392 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:04:14,392 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,393 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 01:04:14,393 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 01:04:14,393 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-11-26 01:04:14,393 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,394 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 01:04:14,394 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 01:04:14,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:14,396 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:14,397 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 01:04:14,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:14,397 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 01:04:14,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:14,398 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 01:04:14,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:14,400 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 01:04:14,400 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 01:04:14,400 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 01:04:14,401 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-11-26 01:04:14,418 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:14,419 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:14,420 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-11-26 01:04:14,422 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:14,422 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:14,423 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-11-26 01:04:14,432 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:04:14,433 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-11-26 01:04:14,433 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:14,434 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:14,434 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:14,435 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:14,435 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-11-26 01:04:14,436 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-11-26 01:04:14,436 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 01:04:14,436 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:14,437 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:14,437 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:14,437 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:14,437 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:14,438 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:14,438 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 01:04:14,438 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 01:04:14,439 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 01:04:14,439 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:14,439 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:14,440 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:14,440 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 01:04:14,441 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 01:04:14,442 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 01:04:14,460 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 01:04:14,472 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 01:04:14,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2022-11-26 01:04:14,536 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2022-11-26 01:04:14,536 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2022-11-26 01:04:14,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2022-11-26 01:04:14,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2022-11-26 01:04:14,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2022-11-26 01:04:14,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2022-11-26 01:04:14,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2022-11-26 01:04:14,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2022-11-26 01:04:14,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2022-11-26 01:04:14,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2022-11-26 01:04:14,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2022-11-26 01:04:14,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2022-11-26 01:04:14,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2022-11-26 01:04:14,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2022-11-26 01:04:14,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2022-11-26 01:04:14,542 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2022-11-26 01:04:14,543 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2022-11-26 01:04:14,543 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2022-11-26 01:04:14,544 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2022-11-26 01:04:14,544 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2022-11-26 01:04:14,544 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2022-11-26 01:04:14,545 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2022-11-26 01:04:14,545 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2022-11-26 01:04:14,546 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2022-11-26 01:04:14,546 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2022-11-26 01:04:14,547 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2022-11-26 01:04:14,547 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2022-11-26 01:04:14,547 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2022-11-26 01:04:14,549 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2022-11-26 01:04:14,550 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2022-11-26 01:04:14,550 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2022-11-26 01:04:14,551 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2022-11-26 01:04:14,551 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2022-11-26 01:04:14,552 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2022-11-26 01:04:14,552 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2022-11-26 01:04:14,552 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2022-11-26 01:04:14,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2022-11-26 01:04:14,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2022-11-26 01:04:14,554 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2022-11-26 01:04:14,555 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2022-11-26 01:04:14,556 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2022-11-26 01:04:14,556 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2022-11-26 01:04:14,557 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2022-11-26 01:04:14,557 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2022-11-26 01:04:14,558 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2022-11-26 01:04:14,558 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2022-11-26 01:04:14,559 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2022-11-26 01:04:14,559 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2022-11-26 01:04:14,560 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2022-11-26 01:04:14,560 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2022-11-26 01:04:14,560 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2022-11-26 01:04:14,561 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2022-11-26 01:04:14,562 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2022-11-26 01:04:14,562 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2022-11-26 01:04:14,563 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2022-11-26 01:04:14,563 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2022-11-26 01:04:14,564 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2022-11-26 01:04:14,564 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2022-11-26 01:04:14,569 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2022-11-26 01:04:14,570 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2022-11-26 01:04:14,571 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2022-11-26 01:04:14,571 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2022-11-26 01:04:14,571 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2022-11-26 01:04:14,572 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2022-11-26 01:04:14,572 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2022-11-26 01:04:14,573 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2022-11-26 01:04:14,573 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2022-11-26 01:04:14,573 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2022-11-26 01:04:14,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2022-11-26 01:04:14,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2022-11-26 01:04:14,575 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2022-11-26 01:04:14,575 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2022-11-26 01:04:14,577 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2022-11-26 01:04:14,577 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2022-11-26 01:04:14,578 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2022-11-26 01:04:14,578 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2022-11-26 01:04:14,579 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2022-11-26 01:04:14,581 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2022-11-26 01:04:14,581 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2022-11-26 01:04:14,582 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2022-11-26 01:04:14,582 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2022-11-26 01:04:14,583 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2022-11-26 01:04:14,583 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2022-11-26 01:04:14,584 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2022-11-26 01:04:14,584 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2022-11-26 01:04:14,584 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2022-11-26 01:04:14,585 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_21e8cab6-1b70-47e5-b6bf-924319c27832/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2022-11-26 01:04:14,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:14,854 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:04:14,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14 WrapperNode [2022-11-26 01:04:14,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:14,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:14,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:04:14,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:04:14,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,396 INFO L138 Inliner]: procedures = 807, calls = 4053, calls flagged for inlining = 385, calls inlined = 274, statements flattened = 8621 [2022-11-26 01:04:15,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:15,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:04:15,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:04:15,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:04:15,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:04:15,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:04:15,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:04:15,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:04:15,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (1/1) ... [2022-11-26 01:04:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:15,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:04:15,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:04:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_ioctl [2022-11-26 01:04:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_ioctl [2022-11-26 01:04:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2022-11-26 01:04:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2022-11-26 01:04:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 01:04:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 01:04:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_device_status [2022-11-26 01:04:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_device_status [2022-11-26 01:04:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_getgeo [2022-11-26 01:04:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_getgeo [2022-11-26 01:04:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:04:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 01:04:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 01:04:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 01:04:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-26 01:04:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-26 01:04:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 01:04:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 01:04:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2022-11-26 01:04:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2022-11-26 01:04:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 01:04:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 01:04:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2022-11-26 01:04:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2022-11-26 01:04:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 01:04:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 01:04:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 01:04:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 01:04:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-26 01:04:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-26 01:04:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2022-11-26 01:04:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2022-11-26 01:04:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-11-26 01:04:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-11-26 01:04:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-26 01:04:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-26 01:04:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 01:04:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 01:04:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 01:04:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 01:04:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2022-11-26 01:04:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2022-11-26 01:04:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 01:04:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 01:04:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 01:04:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 01:04:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 01:04:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 01:04:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:04:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 01:04:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 01:04:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 01:04:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 01:04:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-26 01:04:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-26 01:04:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 01:04:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 01:04:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-26 01:04:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-26 01:04:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-26 01:04:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-26 01:04:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 01:04:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 01:04:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2022-11-26 01:04:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2022-11-26 01:04:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:04:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2022-11-26 01:04:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2022-11-26 01:04:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:04:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 01:04:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 01:04:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 01:04:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 01:04:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:04:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-26 01:04:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-26 01:04:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 01:04:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-26 01:04:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-26 01:04:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 01:04:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 01:04:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 01:04:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 01:04:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-26 01:04:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-26 01:04:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 01:04:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 01:04:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2022-11-26 01:04:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2022-11-26 01:04:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:04:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:04:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 01:04:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 01:04:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-26 01:04:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-26 01:04:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2022-11-26 01:04:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2022-11-26 01:04:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 01:04:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2022-11-26 01:04:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2022-11-26 01:04:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2022-11-26 01:04:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2022-11-26 01:04:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2022-11-26 01:04:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2022-11-26 01:04:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-26 01:04:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-26 01:04:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-26 01:04:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-26 01:04:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-26 01:04:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-11-26 01:04:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-11-26 01:04:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 01:04:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 01:04:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_sysfs_exit [2022-11-26 01:04:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_sysfs_exit [2022-11-26 01:04:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:04:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:04:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2022-11-26 01:04:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2022-11-26 01:04:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-26 01:04:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-26 01:04:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2022-11-26 01:04:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2022-11-26 01:04:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 01:04:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 01:04:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 01:04:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 01:04:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:04:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 01:04:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 01:04:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 01:04:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 01:04:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-26 01:04:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-26 01:04:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:04:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2022-11-26 01:04:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2022-11-26 01:04:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-26 01:04:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-26 01:04:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 01:04:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 01:04:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2022-11-26 01:04:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2022-11-26 01:04:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2022-11-26 01:04:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2022-11-26 01:04:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 01:04:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 01:04:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 01:04:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 01:04:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 01:04:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 01:04:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 01:04:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 01:04:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2022-11-26 01:04:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2022-11-26 01:04:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 01:04:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 01:04:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2022-11-26 01:04:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2022-11-26 01:04:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_compat_ioctl [2022-11-26 01:04:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_compat_ioctl [2022-11-26 01:04:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:04:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 01:04:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 01:04:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-26 01:04:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-26 01:04:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2022-11-26 01:04:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2022-11-26 01:04:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-26 01:04:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-26 01:04:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-26 01:04:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-26 01:04:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 01:04:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 01:04:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2022-11-26 01:04:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2022-11-26 01:04:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 01:04:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 01:04:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-11-26 01:04:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-11-26 01:04:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-11-26 01:04:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2022-11-26 01:04:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-26 01:04:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-26 01:04:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2022-11-26 01:04:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2022-11-26 01:04:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2022-11-26 01:04:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2022-11-26 01:04:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 01:04:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 01:04:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 01:04:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 01:04:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2022-11-26 01:04:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2022-11-26 01:04:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2022-11-26 01:04:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2022-11-26 01:04:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 01:04:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 01:04:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-26 01:04:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-26 01:04:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2022-11-26 01:04:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2022-11-26 01:04:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 01:04:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 01:04:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 01:04:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 01:04:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 01:04:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 01:04:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-26 01:04:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-26 01:04:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2022-11-26 01:04:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2022-11-26 01:04:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 01:04:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 01:04:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 01:04:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 01:04:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 01:04:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 01:04:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:04:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-26 01:04:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-26 01:04:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-26 01:04:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-26 01:04:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 01:04:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-26 01:04:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-26 01:04:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 01:04:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 01:04:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2022-11-26 01:04:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2022-11-26 01:04:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2022-11-26 01:04:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2022-11-26 01:04:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 01:04:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 01:04:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 01:04:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-26 01:04:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-26 01:04:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 01:04:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 01:04:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 01:04:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 01:04:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 01:04:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 01:04:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 01:04:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 01:04:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-11-26 01:04:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-11-26 01:04:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 01:04:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 01:04:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2022-11-26 01:04:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2022-11-26 01:04:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2022-11-26 01:04:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2022-11-26 01:04:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2022-11-26 01:04:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2022-11-26 01:04:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 01:04:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 01:04:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-26 01:04:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-26 01:04:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 01:04:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 01:04:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2022-11-26 01:04:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2022-11-26 01:04:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2022-11-26 01:04:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2022-11-26 01:04:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 01:04:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 01:04:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 01:04:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 01:04:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 01:04:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 01:04:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 01:04:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 01:04:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2022-11-26 01:04:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2022-11-26 01:04:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 01:04:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 01:04:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 01:04:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2022-11-26 01:04:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2022-11-26 01:04:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:04:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 01:04:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-26 01:04:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-26 01:04:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure print_tags [2022-11-26 01:04:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure print_tags [2022-11-26 01:04:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-26 01:04:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-26 01:04:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2022-11-26 01:04:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2022-11-26 01:04:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 01:04:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 01:04:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2022-11-26 01:04:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2022-11-26 01:04:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-26 01:04:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-26 01:04:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-26 01:04:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-26 01:04:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_flags [2022-11-26 01:04:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_flags [2022-11-26 01:04:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 01:04:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 01:04:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:04:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2022-11-26 01:04:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2022-11-26 01:04:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 01:04:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 01:04:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 01:04:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 01:04:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 01:04:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 01:04:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-26 01:04:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-26 01:04:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-11-26 01:04:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-11-26 01:04:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-26 01:04:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-26 01:04:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2022-11-26 01:04:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2022-11-26 01:04:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 01:04:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2022-11-26 01:04:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2022-11-26 01:04:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-11-26 01:04:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-11-26 01:04:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2022-11-26 01:04:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2022-11-26 01:04:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 01:04:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 01:04:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 01:04:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 01:04:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-26 01:04:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-26 01:04:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 01:04:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 01:04:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2022-11-26 01:04:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2022-11-26 01:04:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 01:04:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 01:04:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 01:04:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 01:04:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-26 01:04:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-26 01:04:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_registers [2022-11-26 01:04:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_registers [2022-11-26 01:04:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2022-11-26 01:04:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2022-11-26 01:04:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2022-11-26 01:04:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2022-11-26 01:04:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 01:04:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 01:04:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 01:04:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 01:04:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2022-11-26 01:04:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2022-11-26 01:04:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2022-11-26 01:04:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2022-11-26 01:04:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-26 01:04:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-26 01:04:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-26 01:04:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-26 01:04:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-26 01:04:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-26 01:04:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 01:04:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 01:04:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-26 01:04:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-26 01:04:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-26 01:04:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-26 01:04:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 01:04:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 01:04:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:04:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2022-11-26 01:04:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2022-11-26 01:04:17,512 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:04:17,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:04:17,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 01:04:35,601 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:04:37,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:04:37,824 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-26 01:04:37,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:04:37 BoogieIcfgContainer [2022-11-26 01:04:37,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:04:37,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:04:37,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:04:37,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:04:37,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:04:06" (1/3) ... [2022-11-26 01:04:37,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:04:37, skipping insertion in model container [2022-11-26 01:04:37,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:14" (2/3) ... [2022-11-26 01:04:37,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:04:37, skipping insertion in model container [2022-11-26 01:04:37,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:04:37" (3/3) ... [2022-11-26 01:04:37,846 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2022-11-26 01:04:37,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:04:37,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-26 01:04:38,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:04:38,085 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;@3dd5c7fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:04:38,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-26 01:04:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 2546 states, 1479 states have (on average 1.3076402974983097) internal successors, (1934), 1574 states have internal predecessors, (1934), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-26 01:04:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 01:04:38,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:38,117 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:38,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:04:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:38,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1491459382, now seen corresponding path program 1 times [2022-11-26 01:04:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:38,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475636168] [2022-11-26 01:04:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:04:39,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:39,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475636168] [2022-11-26 01:04:39,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475636168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:39,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:39,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:04:39,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679902315] [2022-11-26 01:04:39,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:39,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:04:39,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:39,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:04:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:04:39,597 INFO L87 Difference]: Start difference. First operand has 2546 states, 1479 states have (on average 1.3076402974983097) internal successors, (1934), 1574 states have internal predecessors, (1934), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 01:04:42,544 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 [] [2022-11-26 01:04:45,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:47,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:50,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:53,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:04:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:55,105 INFO L93 Difference]: Finished difference Result 5660 states and 8156 transitions. [2022-11-26 01:04:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:04:55,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 52 [2022-11-26 01:04:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:55,167 INFO L225 Difference]: With dead ends: 5660 [2022-11-26 01:04:55,167 INFO L226 Difference]: Without dead ends: 3136 [2022-11-26 01:04:55,192 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 [2022-11-26 01:04:55,198 INFO L413 NwaCegarLoop]: 3483 mSDtfsCounter, 3128 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 8056 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:55,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 8056 Invalid, 871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 868 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-26 01:04:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2022-11-26 01:04:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 3116. [2022-11-26 01:04:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3116 states, 1822 states have (on average 1.2722283205268936) internal successors, (2318), 1920 states have internal predecessors, (2318), 1011 states have call successors, (1011), 251 states have call predecessors, (1011), 250 states have return successors, (1009), 993 states have call predecessors, (1009), 1009 states have call successors, (1009) [2022-11-26 01:04:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 4338 transitions. [2022-11-26 01:04:55,529 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 4338 transitions. Word has length 52 [2022-11-26 01:04:55,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:55,530 INFO L495 AbstractCegarLoop]: Abstraction has 3116 states and 4338 transitions. [2022-11-26 01:04:55,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 01:04:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 4338 transitions. [2022-11-26 01:04:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 01:04:55,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:55,534 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:55,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:04:55,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:04:55,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash 879245406, now seen corresponding path program 1 times [2022-11-26 01:04:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:55,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262080984] [2022-11-26 01:04:55,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:55,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:04:56,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:56,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262080984] [2022-11-26 01:04:56,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262080984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:56,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:56,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:04:56,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324820080] [2022-11-26 01:04:56,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:56,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:04:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:56,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:04:56,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:04:56,349 INFO L87 Difference]: Start difference. First operand 3116 states and 4338 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-26 01:04:59,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:01,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:04,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:06,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:10,316 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 [] [2022-11-26 01:05:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:12,142 INFO L93 Difference]: Finished difference Result 5372 states and 7482 transitions. [2022-11-26 01:05:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:05:12,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 57 [2022-11-26 01:05:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:12,184 INFO L225 Difference]: With dead ends: 5372 [2022-11-26 01:05:12,184 INFO L226 Difference]: Without dead ends: 5370 [2022-11-26 01:05:12,189 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 [2022-11-26 01:05:12,191 INFO L413 NwaCegarLoop]: 4174 mSDtfsCounter, 3058 mSDsluCounter, 7333 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 11507 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:12,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 11507 Invalid, 1162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1156 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-11-26 01:05:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2022-11-26 01:05:12,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5186. [2022-11-26 01:05:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 3023 states have (on average 1.2702613298048295) internal successors, (3840), 3173 states have internal predecessors, (3840), 1715 states have call successors, (1715), 415 states have call predecessors, (1715), 415 states have return successors, (1728), 1679 states have call predecessors, (1728), 1713 states have call successors, (1728) [2022-11-26 01:05:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7283 transitions. [2022-11-26 01:05:12,531 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7283 transitions. Word has length 57 [2022-11-26 01:05:12,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:12,532 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7283 transitions. [2022-11-26 01:05:12,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-26 01:05:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7283 transitions. [2022-11-26 01:05:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-26 01:05:12,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:12,545 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:12,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:05:12,547 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:05:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1419623831, now seen corresponding path program 1 times [2022-11-26 01:05:12,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:12,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798709130] [2022-11-26 01:05:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:12,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:05:13,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:13,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798709130] [2022-11-26 01:05:13,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798709130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:13,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:13,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:05:13,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611906359] [2022-11-26 01:05:13,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:13,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:05:13,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:13,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:05:13,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:05:13,196 INFO L87 Difference]: Start difference. First operand 5186 states and 7283 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-26 01:05:15,881 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 [] [2022-11-26 01:05:18,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:21,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:24,628 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 [] [2022-11-26 01:05:26,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:26,692 INFO L93 Difference]: Finished difference Result 9562 states and 13442 transitions. [2022-11-26 01:05:26,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:05:26,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 62 [2022-11-26 01:05:26,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:26,763 INFO L225 Difference]: With dead ends: 9562 [2022-11-26 01:05:26,764 INFO L226 Difference]: Without dead ends: 9560 [2022-11-26 01:05:26,771 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 [2022-11-26 01:05:26,773 INFO L413 NwaCegarLoop]: 4022 mSDtfsCounter, 3107 mSDsluCounter, 7151 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 11173 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:26,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3117 Valid, 11173 Invalid, 1100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1093 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2022-11-26 01:05:26,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9560 states. [2022-11-26 01:05:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9560 to 9378. [2022-11-26 01:05:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9378 states, 5456 states have (on average 1.2690615835777126) internal successors, (6924), 5710 states have internal predecessors, (6924), 3137 states have call successors, (3137), 751 states have call predecessors, (3137), 752 states have return successors, (3185), 3063 states have call predecessors, (3185), 3135 states have call successors, (3185) [2022-11-26 01:05:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9378 states to 9378 states and 13246 transitions. [2022-11-26 01:05:27,454 INFO L78 Accepts]: Start accepts. Automaton has 9378 states and 13246 transitions. Word has length 62 [2022-11-26 01:05:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:27,455 INFO L495 AbstractCegarLoop]: Abstraction has 9378 states and 13246 transitions. [2022-11-26 01:05:27,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-26 01:05:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9378 states and 13246 transitions. [2022-11-26 01:05:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 01:05:27,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:27,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:27,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:05:27,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:05:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1654003139, now seen corresponding path program 1 times [2022-11-26 01:05:27,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:27,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404599578] [2022-11-26 01:05:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:27,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:05:27,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:27,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404599578] [2022-11-26 01:05:27,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404599578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:27,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:27,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:05:27,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877769505] [2022-11-26 01:05:27,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:27,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:05:27,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:27,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:05:27,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:05:27,923 INFO L87 Difference]: Start difference. First operand 9378 states and 13246 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2022-11-26 01:05:30,538 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 [] [2022-11-26 01:05:33,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:37,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:39,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:42,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:46,773 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 [] [2022-11-26 01:05:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:47,647 INFO L93 Difference]: Finished difference Result 18115 states and 25875 transitions. [2022-11-26 01:05:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:05:47,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 67 [2022-11-26 01:05:47,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:47,769 INFO L225 Difference]: With dead ends: 18115 [2022-11-26 01:05:47,769 INFO L226 Difference]: Without dead ends: 18113 [2022-11-26 01:05:47,782 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 [2022-11-26 01:05:47,783 INFO L413 NwaCegarLoop]: 4731 mSDtfsCounter, 3208 mSDsluCounter, 7868 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 12599 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:47,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 12599 Invalid, 1265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1258 Invalid, 5 Unknown, 0 Unchecked, 19.0s Time] [2022-11-26 01:05:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18113 states. [2022-11-26 01:05:48,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18113 to 17834. [2022-11-26 01:05:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17834 states, 10362 states have (on average 1.2686740011580775) internal successors, (13146), 10829 states have internal predecessors, (13146), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1435 states have return successors, (6358), 5859 states have call predecessors, (6358), 6002 states have call successors, (6358) [2022-11-26 01:05:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17834 states to 17834 states and 25508 transitions. [2022-11-26 01:05:48,986 INFO L78 Accepts]: Start accepts. Automaton has 17834 states and 25508 transitions. Word has length 67 [2022-11-26 01:05:48,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:48,986 INFO L495 AbstractCegarLoop]: Abstraction has 17834 states and 25508 transitions. [2022-11-26 01:05:48,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2022-11-26 01:05:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 17834 states and 25508 transitions. [2022-11-26 01:05:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-26 01:05:48,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:48,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:48,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:05:48,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:05:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:48,991 INFO L85 PathProgramCache]: Analyzing trace with hash -498739184, now seen corresponding path program 1 times [2022-11-26 01:05:48,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:48,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339154127] [2022-11-26 01:05:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:05:49,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:49,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339154127] [2022-11-26 01:05:49,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339154127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:49,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:49,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:05:49,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538719758] [2022-11-26 01:05:49,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:49,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:05:49,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:49,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:05:49,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:05:49,463 INFO L87 Difference]: Start difference. First operand 17834 states and 25508 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-26 01:05:51,980 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 [] [2022-11-26 01:05:55,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:56,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:05:58,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:00,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:03,063 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 [] [2022-11-26 01:06:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:04,031 INFO L93 Difference]: Finished difference Result 17879 states and 25628 transitions. [2022-11-26 01:06:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:04,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 72 [2022-11-26 01:06:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:04,127 INFO L225 Difference]: With dead ends: 17879 [2022-11-26 01:06:04,127 INFO L226 Difference]: Without dead ends: 17877 [2022-11-26 01:06:04,141 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 [2022-11-26 01:06:04,141 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3097 mSDsluCounter, 4539 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 7990 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:04,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 7990 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-26 01:06:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17877 states. [2022-11-26 01:06:05,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17877 to 17848. [2022-11-26 01:06:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17848 states, 10372 states have (on average 1.2683185499421519) internal successors, (13155), 10837 states have internal predecessors, (13155), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:06:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17848 states to 17848 states and 25543 transitions. [2022-11-26 01:06:05,388 INFO L78 Accepts]: Start accepts. Automaton has 17848 states and 25543 transitions. Word has length 72 [2022-11-26 01:06:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:05,389 INFO L495 AbstractCegarLoop]: Abstraction has 17848 states and 25543 transitions. [2022-11-26 01:06:05,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-26 01:06:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 17848 states and 25543 transitions. [2022-11-26 01:06:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-26 01:06:05,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:05,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:05,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:06:05,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:06:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1563486115, now seen corresponding path program 1 times [2022-11-26 01:06:05,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:05,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610856760] [2022-11-26 01:06:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:05,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:06:05,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:05,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610856760] [2022-11-26 01:06:05,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610856760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:05,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:05,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:06:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824296687] [2022-11-26 01:06:05,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:05,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:05,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:05,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:05,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:05,965 INFO L87 Difference]: Start difference. First operand 17848 states and 25543 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-11-26 01:06:08,528 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 [] [2022-11-26 01:06:11,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:15,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:18,964 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 [] [2022-11-26 01:06:19,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:19,985 INFO L93 Difference]: Finished difference Result 17877 states and 25626 transitions. [2022-11-26 01:06:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:19,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 77 [2022-11-26 01:06:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:20,072 INFO L225 Difference]: With dead ends: 17877 [2022-11-26 01:06:20,072 INFO L226 Difference]: Without dead ends: 17875 [2022-11-26 01:06:20,083 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 [2022-11-26 01:06:20,084 INFO L413 NwaCegarLoop]: 3449 mSDtfsCounter, 3094 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3106 SdHoareTripleChecker+Valid, 7986 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:20,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3106 Valid, 7986 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 865 Invalid, 4 Unknown, 0 Unchecked, 13.2s Time] [2022-11-26 01:06:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2022-11-26 01:06:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17846. [2022-11-26 01:06:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17846 states, 10371 states have (on average 1.2682479992286182) internal successors, (13153), 10835 states have internal predecessors, (13153), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:06:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17846 states to 17846 states and 25541 transitions. [2022-11-26 01:06:21,472 INFO L78 Accepts]: Start accepts. Automaton has 17846 states and 25541 transitions. Word has length 77 [2022-11-26 01:06:21,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:21,473 INFO L495 AbstractCegarLoop]: Abstraction has 17846 states and 25541 transitions. [2022-11-26 01:06:21,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-11-26 01:06:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17846 states and 25541 transitions. [2022-11-26 01:06:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 01:06:21,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:21,474 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:21,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:06:21,475 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:06:21,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:21,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1473523962, now seen corresponding path program 1 times [2022-11-26 01:06:21,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:21,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894889746] [2022-11-26 01:06:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:06:21,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:21,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894889746] [2022-11-26 01:06:21,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894889746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:21,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:21,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:06:21,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585000569] [2022-11-26 01:06:21,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:21,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:21,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:21,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:21,918 INFO L87 Difference]: Start difference. First operand 17846 states and 25541 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2022-11-26 01:06:24,689 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 [] [2022-11-26 01:06:27,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:29,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:31,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:32,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:35,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:37,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:38,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:38,888 INFO L93 Difference]: Finished difference Result 17875 states and 25624 transitions. [2022-11-26 01:06:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:38,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 82 [2022-11-26 01:06:38,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:38,969 INFO L225 Difference]: With dead ends: 17875 [2022-11-26 01:06:38,969 INFO L226 Difference]: Without dead ends: 17873 [2022-11-26 01:06:38,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:06:38,979 INFO L413 NwaCegarLoop]: 3447 mSDtfsCounter, 3091 mSDsluCounter, 4535 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7982 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:38,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 7982 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 4 Unknown, 0 Unchecked, 16.0s Time] [2022-11-26 01:06:38,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17873 states. [2022-11-26 01:06:40,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17873 to 17844. [2022-11-26 01:06:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17844 states, 10370 states have (on average 1.2681774349083896) internal successors, (13151), 10833 states have internal predecessors, (13151), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:06:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17844 states to 17844 states and 25539 transitions. [2022-11-26 01:06:40,136 INFO L78 Accepts]: Start accepts. Automaton has 17844 states and 25539 transitions. Word has length 82 [2022-11-26 01:06:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:40,137 INFO L495 AbstractCegarLoop]: Abstraction has 17844 states and 25539 transitions. [2022-11-26 01:06:40,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2022-11-26 01:06:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 17844 states and 25539 transitions. [2022-11-26 01:06:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-26 01:06:40,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:40,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:40,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:06:40,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:06:40,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:40,140 INFO L85 PathProgramCache]: Analyzing trace with hash -315669110, now seen corresponding path program 1 times [2022-11-26 01:06:40,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:40,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057165011] [2022-11-26 01:06:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:40,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:06:40,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:40,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057165011] [2022-11-26 01:06:40,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057165011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:40,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:40,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:06:40,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595503601] [2022-11-26 01:06:40,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:40,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:40,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:40,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:40,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:40,587 INFO L87 Difference]: Start difference. First operand 17844 states and 25539 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-26 01:06:43,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:45,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:48,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:50,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:51,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:54,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:06:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:55,656 INFO L93 Difference]: Finished difference Result 17873 states and 25622 transitions. [2022-11-26 01:06:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:06:55,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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 87 [2022-11-26 01:06:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:55,729 INFO L225 Difference]: With dead ends: 17873 [2022-11-26 01:06:55,730 INFO L226 Difference]: Without dead ends: 17871 [2022-11-26 01:06:55,738 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 [2022-11-26 01:06:55,739 INFO L413 NwaCegarLoop]: 3445 mSDtfsCounter, 3092 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:55,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 7974 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2022-11-26 01:06:55,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17871 states. [2022-11-26 01:06:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17871 to 17842. [2022-11-26 01:06:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17842 states, 10369 states have (on average 1.2681068569775291) internal successors, (13149), 10831 states have internal predecessors, (13149), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:06:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17842 states to 17842 states and 25537 transitions. [2022-11-26 01:06:56,937 INFO L78 Accepts]: Start accepts. Automaton has 17842 states and 25537 transitions. Word has length 87 [2022-11-26 01:06:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:56,938 INFO L495 AbstractCegarLoop]: Abstraction has 17842 states and 25537 transitions. [2022-11-26 01:06:56,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-26 01:06:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 17842 states and 25537 transitions. [2022-11-26 01:06:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 01:06:56,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:56,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:56,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:06:56,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:06:56,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:56,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1584867693, now seen corresponding path program 1 times [2022-11-26 01:06:56,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:56,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580778204] [2022-11-26 01:06:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:06:57,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:57,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580778204] [2022-11-26 01:06:57,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580778204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:57,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:57,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:06:57,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434069101] [2022-11-26 01:06:57,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:57,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:06:57,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:57,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:06:57,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:06:57,570 INFO L87 Difference]: Start difference. First operand 17842 states and 25537 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) [2022-11-26 01:07:00,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:03,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:06,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:09,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:10,584 INFO L93 Difference]: Finished difference Result 17871 states and 25620 transitions. [2022-11-26 01:07:10,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:07:10,585 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 89 [2022-11-26 01:07:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:10,658 INFO L225 Difference]: With dead ends: 17871 [2022-11-26 01:07:10,658 INFO L226 Difference]: Without dead ends: 17869 [2022-11-26 01:07:10,670 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 [2022-11-26 01:07:10,671 INFO L413 NwaCegarLoop]: 3443 mSDtfsCounter, 3084 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:10,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 7974 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2022-11-26 01:07:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17869 states. [2022-11-26 01:07:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17869 to 17840. [2022-11-26 01:07:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17840 states, 10368 states have (on average 1.2680362654320987) internal successors, (13147), 10829 states have internal predecessors, (13147), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:07:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17840 states to 17840 states and 25535 transitions. [2022-11-26 01:07:11,945 INFO L78 Accepts]: Start accepts. Automaton has 17840 states and 25535 transitions. Word has length 89 [2022-11-26 01:07:11,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:11,945 INFO L495 AbstractCegarLoop]: Abstraction has 17840 states and 25535 transitions. [2022-11-26 01:07:11,946 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) [2022-11-26 01:07:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 17840 states and 25535 transitions. [2022-11-26 01:07:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 01:07:11,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:11,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:11,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 01:07:11,948 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:07:11,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:11,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1192626700, now seen corresponding path program 1 times [2022-11-26 01:07:11,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:11,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309305546] [2022-11-26 01:07:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:07:12,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:12,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309305546] [2022-11-26 01:07:12,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309305546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:12,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:12,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:12,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230004477] [2022-11-26 01:07:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:12,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:07:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:07:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:07:12,370 INFO L87 Difference]: Start difference. First operand 17840 states and 25535 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) [2022-11-26 01:07:15,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:18,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:19,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:21,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:22,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:25,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:26,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:26,667 INFO L93 Difference]: Finished difference Result 17869 states and 25618 transitions. [2022-11-26 01:07:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:07:26,667 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 94 [2022-11-26 01:07:26,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:26,725 INFO L225 Difference]: With dead ends: 17869 [2022-11-26 01:07:26,725 INFO L226 Difference]: Without dead ends: 17867 [2022-11-26 01:07:26,734 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 [2022-11-26 01:07:26,735 INFO L413 NwaCegarLoop]: 3441 mSDtfsCounter, 3083 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 7970 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:26,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 7970 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-11-26 01:07:26,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17867 states. [2022-11-26 01:07:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17867 to 17838. [2022-11-26 01:07:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17838 states, 10367 states have (on average 1.2679656602681586) internal successors, (13145), 10827 states have internal predecessors, (13145), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:07:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17838 states to 17838 states and 25533 transitions. [2022-11-26 01:07:28,071 INFO L78 Accepts]: Start accepts. Automaton has 17838 states and 25533 transitions. Word has length 94 [2022-11-26 01:07:28,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:28,071 INFO L495 AbstractCegarLoop]: Abstraction has 17838 states and 25533 transitions. [2022-11-26 01:07:28,072 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) [2022-11-26 01:07:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 17838 states and 25533 transitions. [2022-11-26 01:07:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-26 01:07:28,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:28,074 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:28,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:07:28,075 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:07:28,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 296614545, now seen corresponding path program 1 times [2022-11-26 01:07:28,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:28,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384364382] [2022-11-26 01:07:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:07:28,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:28,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384364382] [2022-11-26 01:07:28,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384364382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:28,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:28,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:28,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55880632] [2022-11-26 01:07:28,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:28,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:07:28,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:28,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:07:28,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:07:28,507 INFO L87 Difference]: Start difference. First operand 17838 states and 25533 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-26 01:07:31,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:33,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:36,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:39,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:41,096 INFO L93 Difference]: Finished difference Result 17867 states and 25616 transitions. [2022-11-26 01:07:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:07:41,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 99 [2022-11-26 01:07:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:41,145 INFO L225 Difference]: With dead ends: 17867 [2022-11-26 01:07:41,146 INFO L226 Difference]: Without dead ends: 17865 [2022-11-26 01:07:41,154 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 [2022-11-26 01:07:41,154 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 3080 mSDsluCounter, 4527 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 7966 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:41,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3092 Valid, 7966 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 4 Unknown, 0 Unchecked, 11.3s Time] [2022-11-26 01:07:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17865 states. [2022-11-26 01:07:42,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17865 to 17836. [2022-11-26 01:07:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17836 states, 10366 states have (on average 1.2678950414817673) internal successors, (13143), 10825 states have internal predecessors, (13143), 6004 states have call successors, (6004), 1431 states have call predecessors, (6004), 1440 states have return successors, (6384), 5865 states have call predecessors, (6384), 6002 states have call successors, (6384) [2022-11-26 01:07:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17836 states to 17836 states and 25531 transitions. [2022-11-26 01:07:42,330 INFO L78 Accepts]: Start accepts. Automaton has 17836 states and 25531 transitions. Word has length 99 [2022-11-26 01:07:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:42,331 INFO L495 AbstractCegarLoop]: Abstraction has 17836 states and 25531 transitions. [2022-11-26 01:07:42,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-26 01:07:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 17836 states and 25531 transitions. [2022-11-26 01:07:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 01:07:42,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:42,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:42,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:07:42,333 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:07:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:42,334 INFO L85 PathProgramCache]: Analyzing trace with hash 585470920, now seen corresponding path program 1 times [2022-11-26 01:07:42,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:42,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538092287] [2022-11-26 01:07:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:07:42,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:42,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538092287] [2022-11-26 01:07:42,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538092287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:42,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:42,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743645243] [2022-11-26 01:07:42,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:42,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:07:42,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:42,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:07:42,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:07:42,887 INFO L87 Difference]: Start difference. First operand 17836 states and 25531 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-26 01:07:45,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:47,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:49,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:52,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:54,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:57,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:58,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:58,741 INFO L93 Difference]: Finished difference Result 17911 states and 25663 transitions. [2022-11-26 01:07:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:07:58,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 104 [2022-11-26 01:07:58,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:58,788 INFO L225 Difference]: With dead ends: 17911 [2022-11-26 01:07:58,788 INFO L226 Difference]: Without dead ends: 17909 [2022-11-26 01:07:58,795 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 [2022-11-26 01:07:58,796 INFO L413 NwaCegarLoop]: 3429 mSDtfsCounter, 3136 mSDsluCounter, 4427 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 7856 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:58,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 7856 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 852 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2022-11-26 01:07:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17909 states. [2022-11-26 01:07:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17909 to 17880. [2022-11-26 01:07:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17880 states, 10390 states have (on average 1.2675649663137631) internal successors, (13170), 10848 states have internal predecessors, (13170), 6014 states have call successors, (6014), 1442 states have call predecessors, (6014), 1451 states have return successors, (6394), 5875 states have call predecessors, (6394), 6012 states have call successors, (6394) [2022-11-26 01:07:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17880 states to 17880 states and 25578 transitions. [2022-11-26 01:07:59,913 INFO L78 Accepts]: Start accepts. Automaton has 17880 states and 25578 transitions. Word has length 104 [2022-11-26 01:07:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:59,914 INFO L495 AbstractCegarLoop]: Abstraction has 17880 states and 25578 transitions. [2022-11-26 01:07:59,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-26 01:07:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 17880 states and 25578 transitions. [2022-11-26 01:07:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 01:07:59,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:59,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:59,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 01:07:59,916 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:07:59,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:59,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1544461167, now seen corresponding path program 1 times [2022-11-26 01:07:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:59,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824325903] [2022-11-26 01:07:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:08:00,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:00,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824325903] [2022-11-26 01:08:00,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824325903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:00,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:00,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:00,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164443651] [2022-11-26 01:08:00,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:00,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:08:00,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:00,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:08:00,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:08:00,428 INFO L87 Difference]: Start difference. First operand 17880 states and 25578 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-26 01:08:03,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:05,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:07,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:09,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:12,615 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 [] [2022-11-26 01:08:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:13,830 INFO L93 Difference]: Finished difference Result 17965 states and 25757 transitions. [2022-11-26 01:08:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:08:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 109 [2022-11-26 01:08:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:13,878 INFO L225 Difference]: With dead ends: 17965 [2022-11-26 01:08:13,878 INFO L226 Difference]: Without dead ends: 17963 [2022-11-26 01:08:13,885 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 [2022-11-26 01:08:13,885 INFO L413 NwaCegarLoop]: 3435 mSDtfsCounter, 3120 mSDsluCounter, 4470 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 7905 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:13,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 7905 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2022-11-26 01:08:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17963 states. [2022-11-26 01:08:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17963 to 17920. [2022-11-26 01:08:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17920 states, 10411 states have (on average 1.2673134184996637) internal successors, (13194), 10870 states have internal predecessors, (13194), 6026 states have call successors, (6026), 1450 states have call predecessors, (6026), 1459 states have return successors, (6406), 5885 states have call predecessors, (6406), 6024 states have call successors, (6406) [2022-11-26 01:08:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17920 states to 17920 states and 25626 transitions. [2022-11-26 01:08:15,081 INFO L78 Accepts]: Start accepts. Automaton has 17920 states and 25626 transitions. Word has length 109 [2022-11-26 01:08:15,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:15,081 INFO L495 AbstractCegarLoop]: Abstraction has 17920 states and 25626 transitions. [2022-11-26 01:08:15,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-26 01:08:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 17920 states and 25626 transitions. [2022-11-26 01:08:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-26 01:08:15,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:15,083 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:15,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 01:08:15,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:08:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:15,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1375395325, now seen corresponding path program 1 times [2022-11-26 01:08:15,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:15,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312593004] [2022-11-26 01:08:15,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:08:15,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:15,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312593004] [2022-11-26 01:08:15,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312593004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:15,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:15,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644269120] [2022-11-26 01:08:15,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:15,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:08:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:15,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:08:15,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:08:15,590 INFO L87 Difference]: Start difference. First operand 17920 states and 25626 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-11-26 01:08:18,168 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 [] [2022-11-26 01:08:20,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:21,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:24,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:27,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:29,416 INFO L93 Difference]: Finished difference Result 17963 states and 25755 transitions. [2022-11-26 01:08:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:08:29,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 114 [2022-11-26 01:08:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:29,472 INFO L225 Difference]: With dead ends: 17963 [2022-11-26 01:08:29,472 INFO L226 Difference]: Without dead ends: 17961 [2022-11-26 01:08:29,480 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 [2022-11-26 01:08:29,481 INFO L413 NwaCegarLoop]: 3433 mSDtfsCounter, 3117 mSDsluCounter, 4468 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:29,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 7901 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 856 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-11-26 01:08:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17961 states. [2022-11-26 01:08:30,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17961 to 17918. [2022-11-26 01:08:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17918 states, 10410 states have (on average 1.2672430355427473) internal successors, (13192), 10868 states have internal predecessors, (13192), 6026 states have call successors, (6026), 1450 states have call predecessors, (6026), 1459 states have return successors, (6406), 5885 states have call predecessors, (6406), 6024 states have call successors, (6406) [2022-11-26 01:08:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17918 states to 17918 states and 25624 transitions. [2022-11-26 01:08:30,839 INFO L78 Accepts]: Start accepts. Automaton has 17918 states and 25624 transitions. Word has length 114 [2022-11-26 01:08:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:30,840 INFO L495 AbstractCegarLoop]: Abstraction has 17918 states and 25624 transitions. [2022-11-26 01:08:30,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-11-26 01:08:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 17918 states and 25624 transitions. [2022-11-26 01:08:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 01:08:30,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:30,843 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:30,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 01:08:30,844 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:08:30,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash -898515880, now seen corresponding path program 1 times [2022-11-26 01:08:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:30,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655332636] [2022-11-26 01:08:30,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:30,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-26 01:08:31,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:31,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655332636] [2022-11-26 01:08:31,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655332636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:31,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:31,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:08:31,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975475323] [2022-11-26 01:08:31,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:31,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:08:31,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:31,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:08:31,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:31,307 INFO L87 Difference]: Start difference. First operand 17918 states and 25624 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:08:33,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:36,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:38,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:40,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:44,365 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 [] [2022-11-26 01:08:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:45,492 INFO L93 Difference]: Finished difference Result 35749 states and 51135 transitions. [2022-11-26 01:08:45,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:08:45,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 133 [2022-11-26 01:08:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:45,560 INFO L225 Difference]: With dead ends: 35749 [2022-11-26 01:08:45,560 INFO L226 Difference]: Without dead ends: 17870 [2022-11-26 01:08:45,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:45,641 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 1 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6347 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:45,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6347 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 719 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2022-11-26 01:08:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17870 states. [2022-11-26 01:08:47,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17870 to 17870. [2022-11-26 01:08:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17870 states, 10378 states have (on average 1.2665253420697629) internal successors, (13144), 10836 states have internal predecessors, (13144), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:08:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17870 states to 17870 states and 25544 transitions. [2022-11-26 01:08:47,308 INFO L78 Accepts]: Start accepts. Automaton has 17870 states and 25544 transitions. Word has length 133 [2022-11-26 01:08:47,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:47,308 INFO L495 AbstractCegarLoop]: Abstraction has 17870 states and 25544 transitions. [2022-11-26 01:08:47,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 01:08:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 17870 states and 25544 transitions. [2022-11-26 01:08:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-26 01:08:47,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:47,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:47,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 01:08:47,312 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:08:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1361848549, now seen corresponding path program 1 times [2022-11-26 01:08:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:08:47,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642671558] [2022-11-26 01:08:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:08:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:08:47,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:47,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642671558] [2022-11-26 01:08:47,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642671558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:47,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:47,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:08:47,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278492189] [2022-11-26 01:08:47,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:47,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:08:47,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:08:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:08:47,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:08:47,930 INFO L87 Difference]: Start difference. First operand 17870 states and 25544 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:08:50,694 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 [] [2022-11-26 01:08:53,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:56,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:08:59,262 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 [] [2022-11-26 01:09:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:01,356 INFO L93 Difference]: Finished difference Result 17899 states and 25627 transitions. [2022-11-26 01:09:01,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:01,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 119 [2022-11-26 01:09:01,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:01,415 INFO L225 Difference]: With dead ends: 17899 [2022-11-26 01:09:01,416 INFO L226 Difference]: Without dead ends: 17897 [2022-11-26 01:09:01,425 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 [2022-11-26 01:09:01,425 INFO L413 NwaCegarLoop]: 3422 mSDtfsCounter, 3058 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:01,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3070 Valid, 7932 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 861 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 01:09:01,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17897 states. [2022-11-26 01:09:02,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17897 to 17868. [2022-11-26 01:09:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17868 states, 10377 states have (on average 1.2664546593427772) internal successors, (13142), 10834 states have internal predecessors, (13142), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:09:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17868 states to 17868 states and 25542 transitions. [2022-11-26 01:09:02,905 INFO L78 Accepts]: Start accepts. Automaton has 17868 states and 25542 transitions. Word has length 119 [2022-11-26 01:09:02,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:02,905 INFO L495 AbstractCegarLoop]: Abstraction has 17868 states and 25542 transitions. [2022-11-26 01:09:02,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:09:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 17868 states and 25542 transitions. [2022-11-26 01:09:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 01:09:02,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:02,907 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:09:02,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 01:09:02,908 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:09:02,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1608037553, now seen corresponding path program 1 times [2022-11-26 01:09:02,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:02,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797783639] [2022-11-26 01:09:02,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:09:03,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:03,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797783639] [2022-11-26 01:09:03,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797783639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:03,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:03,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:09:03,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093198648] [2022-11-26 01:09:03,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:03,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:09:03,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:03,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:09:03,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:09:03,771 INFO L87 Difference]: Start difference. First operand 17868 states and 25542 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:09:06,469 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 [] [2022-11-26 01:09:09,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:12,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:15,413 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 [] [2022-11-26 01:09:16,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:16,886 INFO L93 Difference]: Finished difference Result 17897 states and 25625 transitions. [2022-11-26 01:09:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:09:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 124 [2022-11-26 01:09:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:16,953 INFO L225 Difference]: With dead ends: 17897 [2022-11-26 01:09:16,953 INFO L226 Difference]: Without dead ends: 17895 [2022-11-26 01:09:16,961 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 [2022-11-26 01:09:16,962 INFO L413 NwaCegarLoop]: 3420 mSDtfsCounter, 3055 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:16,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3067 Valid, 7928 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 861 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-11-26 01:09:16,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17895 states. [2022-11-26 01:09:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17895 to 17866. [2022-11-26 01:09:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17866 states, 10376 states have (on average 1.2663839629915188) internal successors, (13140), 10832 states have internal predecessors, (13140), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:09:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17866 states to 17866 states and 25540 transitions. [2022-11-26 01:09:18,598 INFO L78 Accepts]: Start accepts. Automaton has 17866 states and 25540 transitions. Word has length 124 [2022-11-26 01:09:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:18,599 INFO L495 AbstractCegarLoop]: Abstraction has 17866 states and 25540 transitions. [2022-11-26 01:09:18,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:09:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 17866 states and 25540 transitions. [2022-11-26 01:09:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-26 01:09:18,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:18,602 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 01:09:18,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 01:09:18,603 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:09:18,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1957136389, now seen corresponding path program 1 times [2022-11-26 01:09:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:18,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378734022] [2022-11-26 01:09:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-26 01:09:20,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:20,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378734022] [2022-11-26 01:09:20,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378734022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:20,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:20,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:09:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760882424] [2022-11-26 01:09:20,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:20,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:09:20,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:20,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:09:20,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:09:20,077 INFO L87 Difference]: Start difference. First operand 17866 states and 25540 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:09:24,111 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 [] [2022-11-26 01:09:28,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:31,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:33,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:34,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:36,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:42,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:09:44,639 INFO L93 Difference]: Finished difference Result 17895 states and 25623 transitions. [2022-11-26 01:09:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:09:44,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2022-11-26 01:09:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:09:44,697 INFO L225 Difference]: With dead ends: 17895 [2022-11-26 01:09:44,697 INFO L226 Difference]: Without dead ends: 17893 [2022-11-26 01:09:44,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:09:44,707 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 3048 mSDsluCounter, 9841 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 13260 SdHoareTripleChecker+Invalid, 3098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:09:44,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 13260 Invalid, 3098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3093 Invalid, 5 Unknown, 0 Unchecked, 22.6s Time] [2022-11-26 01:09:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17893 states. [2022-11-26 01:09:46,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17893 to 17864. [2022-11-26 01:09:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17864 states, 10375 states have (on average 1.2656385542168676) internal successors, (13131), 10830 states have internal predecessors, (13131), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:09:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17864 states to 17864 states and 25531 transitions. [2022-11-26 01:09:46,291 INFO L78 Accepts]: Start accepts. Automaton has 17864 states and 25531 transitions. Word has length 142 [2022-11-26 01:09:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:09:46,292 INFO L495 AbstractCegarLoop]: Abstraction has 17864 states and 25531 transitions. [2022-11-26 01:09:46,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:09:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 17864 states and 25531 transitions. [2022-11-26 01:09:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-26 01:09:46,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:09:46,294 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 01:09:46,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 01:09:46,295 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:09:46,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:09:46,295 INFO L85 PathProgramCache]: Analyzing trace with hash -703123051, now seen corresponding path program 1 times [2022-11-26 01:09:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:09:46,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775511406] [2022-11-26 01:09:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:09:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:09:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:09:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-26 01:09:46,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:09:46,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775511406] [2022-11-26 01:09:46,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775511406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:09:46,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:09:46,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:09:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481986784] [2022-11-26 01:09:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:09:46,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:09:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:09:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:09:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:09:46,728 INFO L87 Difference]: Start difference. First operand 17864 states and 25531 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:09:49,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:51,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:54,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:55,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:09:58,893 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 [] [2022-11-26 01:10:00,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:00,566 INFO L93 Difference]: Finished difference Result 35700 states and 51523 transitions. [2022-11-26 01:10:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:10:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2022-11-26 01:10:00,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:00,629 INFO L225 Difference]: With dead ends: 35700 [2022-11-26 01:10:00,630 INFO L226 Difference]: Without dead ends: 17875 [2022-11-26 01:10:00,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:10:00,697 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 3033 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:00,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 4502 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 496 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 01:10:00,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2022-11-26 01:10:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17846. [2022-11-26 01:10:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17846 states, 10358 states have (on average 1.2645298320139022) internal successors, (13098), 10812 states have internal predecessors, (13098), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:10:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17846 states to 17846 states and 25498 transitions. [2022-11-26 01:10:02,447 INFO L78 Accepts]: Start accepts. Automaton has 17846 states and 25498 transitions. Word has length 145 [2022-11-26 01:10:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:02,448 INFO L495 AbstractCegarLoop]: Abstraction has 17846 states and 25498 transitions. [2022-11-26 01:10:02,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:10:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 17846 states and 25498 transitions. [2022-11-26 01:10:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 01:10:02,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:02,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:02,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 01:10:02,452 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:10:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:02,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1985429943, now seen corresponding path program 1 times [2022-11-26 01:10:02,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:02,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317799554] [2022-11-26 01:10:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:02,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:10:02,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:02,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317799554] [2022-11-26 01:10:02,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317799554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:02,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:02,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149152966] [2022-11-26 01:10:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:02,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:02,870 INFO L87 Difference]: Start difference. First operand 17846 states and 25498 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:10:05,628 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 [] [2022-11-26 01:10:09,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:10,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:12,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:16,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:17,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:17,515 INFO L93 Difference]: Finished difference Result 17875 states and 25581 transitions. [2022-11-26 01:10:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:17,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 129 [2022-11-26 01:10:17,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:17,565 INFO L225 Difference]: With dead ends: 17875 [2022-11-26 01:10:17,565 INFO L226 Difference]: Without dead ends: 17873 [2022-11-26 01:10:17,573 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 [2022-11-26 01:10:17,574 INFO L413 NwaCegarLoop]: 3411 mSDtfsCounter, 3045 mSDsluCounter, 4499 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 7910 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:17,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 7910 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 864 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2022-11-26 01:10:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17873 states. [2022-11-26 01:10:19,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17873 to 17844. [2022-11-26 01:10:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17844 states, 10357 states have (on average 1.264458820121657) internal successors, (13096), 10810 states have internal predecessors, (13096), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:10:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17844 states to 17844 states and 25496 transitions. [2022-11-26 01:10:19,253 INFO L78 Accepts]: Start accepts. Automaton has 17844 states and 25496 transitions. Word has length 129 [2022-11-26 01:10:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:19,253 INFO L495 AbstractCegarLoop]: Abstraction has 17844 states and 25496 transitions. [2022-11-26 01:10:19,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:10:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 17844 states and 25496 transitions. [2022-11-26 01:10:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 01:10:19,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:19,255 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:19,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 01:10:19,256 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:10:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1486676887, now seen corresponding path program 1 times [2022-11-26 01:10:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:19,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495794908] [2022-11-26 01:10:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:19,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:10:19,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:19,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495794908] [2022-11-26 01:10:19,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495794908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:19,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:19,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116452068] [2022-11-26 01:10:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:19,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:19,657 INFO L87 Difference]: Start difference. First operand 17844 states and 25496 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 01:10:22,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:25,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:27,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:29,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:30,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:33,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:35,514 INFO L93 Difference]: Finished difference Result 17873 states and 25579 transitions. [2022-11-26 01:10:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:35,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 134 [2022-11-26 01:10:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:35,598 INFO L225 Difference]: With dead ends: 17873 [2022-11-26 01:10:35,598 INFO L226 Difference]: Without dead ends: 17871 [2022-11-26 01:10:35,606 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 [2022-11-26 01:10:35,607 INFO L413 NwaCegarLoop]: 3409 mSDtfsCounter, 3042 mSDsluCounter, 4497 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 7906 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:35,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 7906 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-11-26 01:10:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17871 states. [2022-11-26 01:10:37,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17871 to 17842. [2022-11-26 01:10:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17842 states, 10356 states have (on average 1.2643877945152568) internal successors, (13094), 10808 states have internal predecessors, (13094), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:10:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17842 states to 17842 states and 25494 transitions. [2022-11-26 01:10:37,394 INFO L78 Accepts]: Start accepts. Automaton has 17842 states and 25494 transitions. Word has length 134 [2022-11-26 01:10:37,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:37,395 INFO L495 AbstractCegarLoop]: Abstraction has 17842 states and 25494 transitions. [2022-11-26 01:10:37,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 01:10:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 17842 states and 25494 transitions. [2022-11-26 01:10:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-26 01:10:37,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:37,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:37,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 01:10:37,398 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:10:37,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:37,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1556542244, now seen corresponding path program 1 times [2022-11-26 01:10:37,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:37,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358414029] [2022-11-26 01:10:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:37,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:10:37,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:37,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358414029] [2022-11-26 01:10:37,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358414029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:37,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:37,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341245346] [2022-11-26 01:10:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:37,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:37,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:37,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:37,962 INFO L87 Difference]: Start difference. First operand 17842 states and 25494 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 01:10:40,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:43,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:46,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:47,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:49,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:52,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:10:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:54,408 INFO L93 Difference]: Finished difference Result 17871 states and 25577 transitions. [2022-11-26 01:10:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:10:54,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 139 [2022-11-26 01:10:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:54,464 INFO L225 Difference]: With dead ends: 17871 [2022-11-26 01:10:54,464 INFO L226 Difference]: Without dead ends: 17869 [2022-11-26 01:10:54,470 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 [2022-11-26 01:10:54,471 INFO L413 NwaCegarLoop]: 3407 mSDtfsCounter, 3039 mSDsluCounter, 4495 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 7902 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:54,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 7902 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 864 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2022-11-26 01:10:54,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17869 states. [2022-11-26 01:10:56,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17869 to 17840. [2022-11-26 01:10:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17840 states, 10355 states have (on average 1.264316755190729) internal successors, (13092), 10806 states have internal predecessors, (13092), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:10:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17840 states to 17840 states and 25492 transitions. [2022-11-26 01:10:56,386 INFO L78 Accepts]: Start accepts. Automaton has 17840 states and 25492 transitions. Word has length 139 [2022-11-26 01:10:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:56,386 INFO L495 AbstractCegarLoop]: Abstraction has 17840 states and 25492 transitions. [2022-11-26 01:10:56,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 01:10:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17840 states and 25492 transitions. [2022-11-26 01:10:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 01:10:56,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:56,388 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:10:56,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 01:10:56,389 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:10:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash 612195384, now seen corresponding path program 1 times [2022-11-26 01:10:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:10:56,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661569786] [2022-11-26 01:10:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:10:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:10:56,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:10:56,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661569786] [2022-11-26 01:10:56,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661569786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:56,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:56,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:10:56,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751618013] [2022-11-26 01:10:56,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:56,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:10:56,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:10:56,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:10:56,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:10:56,807 INFO L87 Difference]: Start difference. First operand 17840 states and 25492 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 01:10:59,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:01,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:03,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:06,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:07,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:11,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:13,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:11:13,455 INFO L93 Difference]: Finished difference Result 17869 states and 25575 transitions. [2022-11-26 01:11:13,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:11:13,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 144 [2022-11-26 01:11:13,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:11:13,510 INFO L225 Difference]: With dead ends: 17869 [2022-11-26 01:11:13,510 INFO L226 Difference]: Without dead ends: 17867 [2022-11-26 01:11:13,519 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 [2022-11-26 01:11:13,520 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 3036 mSDsluCounter, 4493 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 7898 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:11:13,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 7898 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 4 Unknown, 0 Unchecked, 14.4s Time] [2022-11-26 01:11:13,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17867 states. [2022-11-26 01:11:15,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17867 to 17838. [2022-11-26 01:11:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17838 states, 10354 states have (on average 1.264245702144099) internal successors, (13090), 10804 states have internal predecessors, (13090), 6010 states have call successors, (6010), 1450 states have call predecessors, (6010), 1459 states have return successors, (6390), 5869 states have call predecessors, (6390), 6008 states have call successors, (6390) [2022-11-26 01:11:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17838 states to 17838 states and 25490 transitions. [2022-11-26 01:11:15,444 INFO L78 Accepts]: Start accepts. Automaton has 17838 states and 25490 transitions. Word has length 144 [2022-11-26 01:11:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:11:15,445 INFO L495 AbstractCegarLoop]: Abstraction has 17838 states and 25490 transitions. [2022-11-26 01:11:15,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 01:11:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 17838 states and 25490 transitions. [2022-11-26 01:11:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-26 01:11:15,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:11:15,447 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:11:15,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 01:11:15,448 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:11:15,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:11:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash 633506937, now seen corresponding path program 1 times [2022-11-26 01:11:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:11:15,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569256285] [2022-11-26 01:11:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:11:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:11:15,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:15,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569256285] [2022-11-26 01:11:15,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569256285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:11:15,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:11:15,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:11:15,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430308946] [2022-11-26 01:11:15,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:11:15,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:11:15,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:11:15,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:11:15,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:11:15,879 INFO L87 Difference]: Start difference. First operand 17838 states and 25490 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:11:18,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:21,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:24,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:27,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:29,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:11:29,575 INFO L93 Difference]: Finished difference Result 17867 states and 25573 transitions. [2022-11-26 01:11:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:11:29,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 149 [2022-11-26 01:11:29,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:11:29,635 INFO L225 Difference]: With dead ends: 17867 [2022-11-26 01:11:29,635 INFO L226 Difference]: Without dead ends: 17715 [2022-11-26 01:11:29,649 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 [2022-11-26 01:11:29,650 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3033 mSDsluCounter, 4492 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:11:29,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 7896 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 861 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2022-11-26 01:11:29,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17715 states. [2022-11-26 01:11:32,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17715 to 17686. [2022-11-26 01:11:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17686 states, 10276 states have (on average 1.2654729466718568) internal successors, (13004), 10720 states have internal predecessors, (13004), 5959 states have call successors, (5959), 1430 states have call predecessors, (5959), 1437 states have return successors, (6335), 5820 states have call predecessors, (6335), 5953 states have call successors, (6335) [2022-11-26 01:11:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17686 states to 17686 states and 25298 transitions. [2022-11-26 01:11:32,110 INFO L78 Accepts]: Start accepts. Automaton has 17686 states and 25298 transitions. Word has length 149 [2022-11-26 01:11:32,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:11:32,110 INFO L495 AbstractCegarLoop]: Abstraction has 17686 states and 25298 transitions. [2022-11-26 01:11:32,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:11:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 17686 states and 25298 transitions. [2022-11-26 01:11:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-26 01:11:32,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:11:32,112 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:11:32,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 01:11:32,113 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:11:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:11:32,113 INFO L85 PathProgramCache]: Analyzing trace with hash -292392887, now seen corresponding path program 1 times [2022-11-26 01:11:32,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:11:32,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311151261] [2022-11-26 01:11:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:32,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:11:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-26 01:11:32,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:32,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311151261] [2022-11-26 01:11:32,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311151261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:11:32,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:11:32,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:11:32,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199039091] [2022-11-26 01:11:32,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:11:32,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:11:32,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:11:32,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:11:32,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:11:32,462 INFO L87 Difference]: Start difference. First operand 17686 states and 25298 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 01:11:34,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:37,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:40,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:43,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:11:45,743 INFO L93 Difference]: Finished difference Result 35344 states and 50597 transitions. [2022-11-26 01:11:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:11:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 166 [2022-11-26 01:11:45,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:11:45,807 INFO L225 Difference]: With dead ends: 35344 [2022-11-26 01:11:45,807 INFO L226 Difference]: Without dead ends: 17697 [2022-11-26 01:11:45,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:11:45,888 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 2937 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:11:45,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 4389 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-11-26 01:11:45,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17697 states. [2022-11-26 01:11:48,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17697 to 17668. [2022-11-26 01:11:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17668 states, 10259 states have (on average 1.264353250804172) internal successors, (12971), 10702 states have internal predecessors, (12971), 5959 states have call successors, (5959), 1430 states have call predecessors, (5959), 1437 states have return successors, (6335), 5820 states have call predecessors, (6335), 5953 states have call successors, (6335) [2022-11-26 01:11:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17668 states to 17668 states and 25265 transitions. [2022-11-26 01:11:48,309 INFO L78 Accepts]: Start accepts. Automaton has 17668 states and 25265 transitions. Word has length 166 [2022-11-26 01:11:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:11:48,309 INFO L495 AbstractCegarLoop]: Abstraction has 17668 states and 25265 transitions. [2022-11-26 01:11:48,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 01:11:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 17668 states and 25265 transitions. [2022-11-26 01:11:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-26 01:11:48,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:11:48,312 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:11:48,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 01:11:48,313 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:11:48,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:11:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash -662758731, now seen corresponding path program 1 times [2022-11-26 01:11:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:11:48,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008501728] [2022-11-26 01:11:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:48,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:11:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-26 01:11:48,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:48,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008501728] [2022-11-26 01:11:48,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008501728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:11:48,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829459552] [2022-11-26 01:11:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:48,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:11:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:11:48,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:11:48,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:11:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:50,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 3949 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:11:50,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:11:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-26 01:11:50,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:11:50,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829459552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:11:50,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:11:50,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-26 01:11:50,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931879205] [2022-11-26 01:11:50,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:11:50,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:11:50,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:11:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:11:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:11:50,797 INFO L87 Difference]: Start difference. First operand 17668 states and 25265 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:11:53,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:55,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:11:58,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:01,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:12:03,057 INFO L93 Difference]: Finished difference Result 35308 states and 50531 transitions. [2022-11-26 01:12:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:12:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 171 [2022-11-26 01:12:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:12:03,152 INFO L225 Difference]: With dead ends: 35308 [2022-11-26 01:12:03,152 INFO L226 Difference]: Without dead ends: 17679 [2022-11-26 01:12:03,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:12:03,233 INFO L413 NwaCegarLoop]: 3296 mSDtfsCounter, 2896 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 4384 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:12:03,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2906 Valid, 4384 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2022-11-26 01:12:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17679 states. [2022-11-26 01:12:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17679 to 17650. [2022-11-26 01:12:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17650 states, 10242 states have (on average 1.2632298379222808) internal successors, (12938), 10684 states have internal predecessors, (12938), 5959 states have call successors, (5959), 1430 states have call predecessors, (5959), 1437 states have return successors, (6335), 5820 states have call predecessors, (6335), 5953 states have call successors, (6335) [2022-11-26 01:12:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17650 states to 17650 states and 25232 transitions. [2022-11-26 01:12:05,823 INFO L78 Accepts]: Start accepts. Automaton has 17650 states and 25232 transitions. Word has length 171 [2022-11-26 01:12:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:12:05,824 INFO L495 AbstractCegarLoop]: Abstraction has 17650 states and 25232 transitions. [2022-11-26 01:12:05,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 01:12:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 17650 states and 25232 transitions. [2022-11-26 01:12:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-26 01:12:05,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:12:05,828 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:12:05,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:12:06,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-26 01:12:06,043 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:12:06,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:12:06,044 INFO L85 PathProgramCache]: Analyzing trace with hash 397839434, now seen corresponding path program 1 times [2022-11-26 01:12:06,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:12:06,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907353612] [2022-11-26 01:12:06,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:06,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:12:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:12:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2022-11-26 01:12:07,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:12:07,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907353612] [2022-11-26 01:12:07,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907353612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:12:07,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:12:07,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:12:07,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863563732] [2022-11-26 01:12:07,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:12:07,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:12:07,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:12:07,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:12:07,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:12:07,013 INFO L87 Difference]: Start difference. First operand 17650 states and 25232 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-26 01:12:09,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:13,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:16,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:19,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:21,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:12:21,881 INFO L93 Difference]: Finished difference Result 17841 states and 25444 transitions. [2022-11-26 01:12:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:12:21,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 239 [2022-11-26 01:12:21,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:12:21,926 INFO L225 Difference]: With dead ends: 17841 [2022-11-26 01:12:21,926 INFO L226 Difference]: Without dead ends: 17839 [2022-11-26 01:12:21,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:12:21,932 INFO L413 NwaCegarLoop]: 3297 mSDtfsCounter, 2787 mSDsluCounter, 7764 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 11061 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:12:21,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 11061 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1202 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2022-11-26 01:12:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17839 states. [2022-11-26 01:12:23,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17839 to 17810. [2022-11-26 01:12:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17810 states, 10346 states have (on average 1.2621302919002513) internal successors, (13058), 10788 states have internal predecessors, (13058), 5959 states have call successors, (5959), 1486 states have call predecessors, (5959), 1493 states have return successors, (6335), 5820 states have call predecessors, (6335), 5953 states have call successors, (6335) [2022-11-26 01:12:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17810 states to 17810 states and 25352 transitions. [2022-11-26 01:12:23,945 INFO L78 Accepts]: Start accepts. Automaton has 17810 states and 25352 transitions. Word has length 239 [2022-11-26 01:12:23,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:12:23,946 INFO L495 AbstractCegarLoop]: Abstraction has 17810 states and 25352 transitions. [2022-11-26 01:12:23,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-26 01:12:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 17810 states and 25352 transitions. [2022-11-26 01:12:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-26 01:12:23,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:12:23,950 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:12:23,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 01:12:23,950 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:12:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:12:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash 626172387, now seen corresponding path program 1 times [2022-11-26 01:12:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:12:23,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191549551] [2022-11-26 01:12:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:12:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:12:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-11-26 01:12:24,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:12:24,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191549551] [2022-11-26 01:12:24,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191549551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:12:24,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:12:24,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:12:24,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685176616] [2022-11-26 01:12:24,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:12:24,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:12:24,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:12:24,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:12:24,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:12:24,881 INFO L87 Difference]: Start difference. First operand 17810 states and 25352 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-26 01:12:27,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:30,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:34,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:36,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:12:40,561 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 [] [2022-11-26 01:12:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:12:44,837 INFO L93 Difference]: Finished difference Result 25867 states and 36894 transitions. [2022-11-26 01:12:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:12:44,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 214 [2022-11-26 01:12:44,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:12:44,914 INFO L225 Difference]: With dead ends: 25867 [2022-11-26 01:12:44,914 INFO L226 Difference]: Without dead ends: 25865 [2022-11-26 01:12:44,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:12:44,923 INFO L413 NwaCegarLoop]: 3801 mSDtfsCounter, 2849 mSDsluCounter, 10502 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 14303 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:12:44,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 14303 Invalid, 1406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1399 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2022-11-26 01:12:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25865 states. [2022-11-26 01:12:48,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25865 to 25763. [2022-11-26 01:12:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25763 states, 14955 states have (on average 1.2616516215312605) internal successors, (18868), 15612 states have internal predecessors, (18868), 8623 states have call successors, (8623), 2172 states have call predecessors, (8623), 2173 states have return successors, (9286), 8381 states have call predecessors, (9286), 8617 states have call successors, (9286) [2022-11-26 01:12:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25763 states to 25763 states and 36777 transitions. [2022-11-26 01:12:48,399 INFO L78 Accepts]: Start accepts. Automaton has 25763 states and 36777 transitions. Word has length 214 [2022-11-26 01:12:48,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:12:48,399 INFO L495 AbstractCegarLoop]: Abstraction has 25763 states and 36777 transitions. [2022-11-26 01:12:48,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-26 01:12:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25763 states and 36777 transitions. [2022-11-26 01:12:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-26 01:12:48,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:12:48,405 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:12:48,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 01:12:48,405 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:12:48,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:12:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1195855812, now seen corresponding path program 1 times [2022-11-26 01:12:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:12:48,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812941456] [2022-11-26 01:12:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:12:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:12:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-26 01:12:53,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:12:53,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812941456] [2022-11-26 01:12:53,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812941456] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:12:53,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994233359] [2022-11-26 01:12:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:53,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:12:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:12:53,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:12:54,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:12:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:12:56,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 4194 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-26 01:12:56,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:12:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-26 01:12:56,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:12:56,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994233359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:12:56,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:12:56,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 16 [2022-11-26 01:12:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054914080] [2022-11-26 01:12:56,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:12:56,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:12:56,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:12:56,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:12:56,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2022-11-26 01:12:56,695 INFO L87 Difference]: Start difference. First operand 25763 states and 36777 transitions. Second operand has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-11-26 01:13:02,230 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 [] [2022-11-26 01:13:07,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:10,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:12,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:14,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:15,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:17,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:19,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:22,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:24,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:30,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:36,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:13:36,279 INFO L93 Difference]: Finished difference Result 56759 states and 82125 transitions. [2022-11-26 01:13:36,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:13:36,279 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 213 [2022-11-26 01:13:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:13:36,371 INFO L225 Difference]: With dead ends: 56759 [2022-11-26 01:13:36,371 INFO L226 Difference]: Without dead ends: 31023 [2022-11-26 01:13:36,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:13:36,437 INFO L413 NwaCegarLoop]: 3627 mSDtfsCounter, 1020 mSDsluCounter, 31024 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 754 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 34651 SdHoareTripleChecker+Invalid, 5153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 754 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:13:36,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 34651 Invalid, 5153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [754 Valid, 4393 Invalid, 6 Unknown, 0 Unchecked, 34.1s Time] [2022-11-26 01:13:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31023 states. [2022-11-26 01:13:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31023 to 25907. [2022-11-26 01:13:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25907 states, 15051 states have (on average 1.2599827254003055) internal successors, (18964), 15708 states have internal predecessors, (18964), 8671 states have call successors, (8671), 2172 states have call predecessors, (8671), 2173 states have return successors, (9334), 8429 states have call predecessors, (9334), 8665 states have call successors, (9334) [2022-11-26 01:13:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25907 states to 25907 states and 36969 transitions. [2022-11-26 01:13:40,301 INFO L78 Accepts]: Start accepts. Automaton has 25907 states and 36969 transitions. Word has length 213 [2022-11-26 01:13:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:13:40,302 INFO L495 AbstractCegarLoop]: Abstraction has 25907 states and 36969 transitions. [2022-11-26 01:13:40,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-11-26 01:13:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 25907 states and 36969 transitions. [2022-11-26 01:13:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-26 01:13:40,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:13:40,305 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:13:40,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:13:40,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-26 01:13:40,506 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:13:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:13:40,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1644424648, now seen corresponding path program 1 times [2022-11-26 01:13:40,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:13:40,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987054763] [2022-11-26 01:13:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:13:40,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:13:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:13:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-26 01:13:42,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:13:42,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987054763] [2022-11-26 01:13:42,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987054763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:13:42,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:13:42,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:13:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861206054] [2022-11-26 01:13:42,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:13:42,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 01:13:42,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:13:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 01:13:42,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:13:42,351 INFO L87 Difference]: Start difference. First operand 25907 states and 36969 transitions. Second operand has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-26 01:13:49,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:51,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:53,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:55,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:13:57,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:00,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:03,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:05,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:07,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:09,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:11,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:13,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:15,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:20,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:14:25,481 INFO L93 Difference]: Finished difference Result 55163 states and 79371 transitions. [2022-11-26 01:14:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:14:25,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) Word has length 218 [2022-11-26 01:14:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:14:25,566 INFO L225 Difference]: With dead ends: 55163 [2022-11-26 01:14:25,566 INFO L226 Difference]: Without dead ends: 29295 [2022-11-26 01:14:25,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 01:14:25,634 INFO L413 NwaCegarLoop]: 3445 mSDtfsCounter, 188 mSDsluCounter, 23754 mSDsCounter, 0 mSdLazyCounter, 3118 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 27199 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3118 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:14:25,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 27199 Invalid, 3128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3118 Invalid, 9 Unknown, 0 Unchecked, 38.3s Time] [2022-11-26 01:14:25,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29295 states. [2022-11-26 01:14:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29295 to 26003. [2022-11-26 01:14:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26003 states, 15111 states have (on average 1.2589504334590695) internal successors, (19024), 15768 states have internal predecessors, (19024), 8683 states have call successors, (8683), 2172 states have call predecessors, (8683), 2197 states have return successors, (9394), 8465 states have call predecessors, (9394), 8677 states have call successors, (9394) [2022-11-26 01:14:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26003 states to 26003 states and 37101 transitions. [2022-11-26 01:14:29,510 INFO L78 Accepts]: Start accepts. Automaton has 26003 states and 37101 transitions. Word has length 218 [2022-11-26 01:14:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:14:29,511 INFO L495 AbstractCegarLoop]: Abstraction has 26003 states and 37101 transitions. [2022-11-26 01:14:29,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-26 01:14:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 26003 states and 37101 transitions. [2022-11-26 01:14:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-26 01:14:29,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:14:29,514 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:14:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 01:14:29,514 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:14:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:14:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1919255356, now seen corresponding path program 1 times [2022-11-26 01:14:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:14:29,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261754016] [2022-11-26 01:14:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:14:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:14:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:14:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-11-26 01:14:30,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:14:30,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261754016] [2022-11-26 01:14:30,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261754016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:14:30,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:14:30,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:14:30,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533627219] [2022-11-26 01:14:30,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:14:30,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:14:30,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:14:30,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:14:30,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:14:30,128 INFO L87 Difference]: Start difference. First operand 26003 states and 37101 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 01:14:32,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:36,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:39,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:40,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:14:45,147 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 [] [2022-11-26 01:14:48,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:14:48,845 INFO L93 Difference]: Finished difference Result 26005 states and 37102 transitions. [2022-11-26 01:14:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:14:48,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 258 [2022-11-26 01:14:48,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:14:48,904 INFO L225 Difference]: With dead ends: 26005 [2022-11-26 01:14:48,904 INFO L226 Difference]: Without dead ends: 26003 [2022-11-26 01:14:48,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:14:48,911 INFO L413 NwaCegarLoop]: 3050 mSDtfsCounter, 107 mSDsluCounter, 9045 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 12095 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:14:48,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 12095 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1385 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-26 01:14:48,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26003 states. [2022-11-26 01:14:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26003 to 26003. [2022-11-26 01:14:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26003 states, 15111 states have (on average 1.2581563099728674) internal successors, (19012), 15768 states have internal predecessors, (19012), 8683 states have call successors, (8683), 2172 states have call predecessors, (8683), 2197 states have return successors, (9394), 8465 states have call predecessors, (9394), 8677 states have call successors, (9394) [2022-11-26 01:14:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26003 states to 26003 states and 37089 transitions. [2022-11-26 01:14:52,575 INFO L78 Accepts]: Start accepts. Automaton has 26003 states and 37089 transitions. Word has length 258 [2022-11-26 01:14:52,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:14:52,576 INFO L495 AbstractCegarLoop]: Abstraction has 26003 states and 37089 transitions. [2022-11-26 01:14:52,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 01:14:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26003 states and 37089 transitions. [2022-11-26 01:14:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-26 01:14:52,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:14:52,579 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:14:52,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 01:14:52,579 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:14:52,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:14:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1339184943, now seen corresponding path program 1 times [2022-11-26 01:14:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:14:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705303776] [2022-11-26 01:14:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:14:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:14:52,697 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:14:52,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751891897] [2022-11-26 01:14:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:14:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:14:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:14:52,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:14:52,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e8cab6-1b70-47e5-b6bf-924319c27832/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:14:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:14:54,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-26 01:14:54,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:14:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-26 01:14:55,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:14:55,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:14:55,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705303776] [2022-11-26 01:14:55,093 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:14:55,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751891897] [2022-11-26 01:14:55,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751891897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:14:55,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:14:55,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 01:14:55,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856840989] [2022-11-26 01:14:55,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:14:55,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 01:14:55,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:14:55,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 01:14:55,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-26 01:14:55,096 INFO L87 Difference]: Start difference. First operand 26003 states and 37089 transitions. Second operand has 12 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-26 01:15:00,998 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 [] [2022-11-26 01:15:05,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:15:09,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:15:19,293 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 [] [2022-11-26 01:15:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:15:34,722 INFO L93 Difference]: Finished difference Result 89152 states and 130963 transitions. [2022-11-26 01:15:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 01:15:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 235 [2022-11-26 01:15:34,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:15:35,089 INFO L225 Difference]: With dead ends: 89152 [2022-11-26 01:15:35,090 INFO L226 Difference]: Without dead ends: 63168 [2022-11-26 01:15:35,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:15:35,172 INFO L413 NwaCegarLoop]: 6581 mSDtfsCounter, 3620 mSDsluCounter, 61963 mSDsCounter, 0 mSdLazyCounter, 9883 mSolverCounterSat, 367 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 68544 SdHoareTripleChecker+Invalid, 10254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 9883 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:15:35,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 68544 Invalid, 10254 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [367 Valid, 9883 Invalid, 4 Unknown, 0 Unchecked, 27.6s Time] [2022-11-26 01:15:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63168 states.