./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--input--misc--ims-pcu.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/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_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/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_584d906e-9042-4157-bb01-2764719a70ca/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 e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 --- 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 [2022-11-25 23:59:35,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:59:35,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:59:36,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:59:36,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:59:36,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:59:36,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:59:36,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:59:36,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:59:36,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:59:36,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:59:36,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:59:36,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:59:36,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:59:36,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:59:36,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:59:36,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:59:36,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:59:36,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:59:36,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:59:36,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:59:36,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:59:36,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:59:36,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:59:36,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:59:36,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:59:36,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:59:36,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:59:36,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:59:36,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:59:36,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:59:36,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:59:36,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:59:36,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:59:36,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:59:36,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:59:36,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:59:36,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:59:36,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:59:36,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:59:36,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:59:36,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:59:36,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:59:36,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:59:36,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:59:36,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:59:36,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:59:36,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:59:36,114 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:59:36,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:59:36,114 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:59:36,114 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:59:36,115 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:59:36,115 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:59:36,115 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:59:36,116 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:59:36,116 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:59:36,116 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:59:36,117 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:59:36,117 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:59:36,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:59:36,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:59:36,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:59:36,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:59:36,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:59:36,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:59:36,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:59:36,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:59:36,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:59:36,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:59:36,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:59:36,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:59:36,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:59:36,122 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:59:36,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:59:36,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:59:36,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:59:36,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:59:36,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:59:36,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:59:36,124 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_584d906e-9042-4157-bb01-2764719a70ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2022-11-25 23:59:36,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:59:36,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:59:36,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:59:36,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:59:36,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:59:36,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-11-25 23:59:39,655 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:59:40,272 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:59:40,272 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-11-25 23:59:40,330 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/data/e4891f364/9a24c46e4709472da40b5d5471d5c839/FLAG9aca617e2 [2022-11-25 23:59:40,381 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/data/e4891f364/9a24c46e4709472da40b5d5471d5c839 [2022-11-25 23:59:40,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:59:40,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:59:40,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:59:40,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:59:40,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:59:40,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:59:40" (1/1) ... [2022-11-25 23:59:40,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:40, skipping insertion in model container [2022-11-25 23:59:40,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:59:40" (1/1) ... [2022-11-25 23:59:40,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:59:40,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:59:41,828 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:59:42,165 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:59:42,167 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,169 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:42,198 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:42,202 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:42,206 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:42,255 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,257 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 23:59:42,262 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-25 23:59:42,263 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,264 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-25 23:59:42,269 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-25 23:59:42,282 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,284 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 23:59:42,288 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-25 23:59:42,289 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-25 23:59:42,289 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-25 23:59:42,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,291 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-25 23:59:42,291 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:42,296 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-25 23:59:42,297 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:42,310 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:42,318 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:42,320 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:42,321 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:42,333 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 23:59:42,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,359 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:59:42,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,369 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,371 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,392 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,398 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,409 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,410 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,411 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:59:42,412 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,418 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,420 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,423 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,428 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:42,430 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,431 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:59:42,440 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,441 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,442 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:42,443 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:42,449 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:42,459 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:42,465 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:59:42,466 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:59:42,468 WARN L623 FunctionHandler]: Unknown extern function led_classdev_register [2022-11-25 23:59:42,469 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,473 WARN L623 FunctionHandler]: Unknown extern function led_classdev_unregister [2022-11-25 23:59:42,474 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:59:42,480 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:42,486 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-11-25 23:59:42,505 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:42,511 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:42,512 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:42,518 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:42,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,521 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:42,527 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:42,552 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:42,557 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-11-25 23:59:42,563 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:42,569 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-11-25 23:59:42,575 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:42,581 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:42,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,599 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,605 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,606 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,608 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,610 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:42,617 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:42,618 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:42,619 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:42,624 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,627 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,629 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,634 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 23:59:42,635 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 23:59:42,697 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,699 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,709 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,710 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,711 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,726 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,726 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:42,731 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:42,733 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:42,738 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:59:42,740 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,741 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:59:42,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,779 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,781 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,799 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:42,808 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,842 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,843 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:42,844 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 23:59:42,845 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:42,854 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:59:42,857 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-11-25 23:59:42,857 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:42,860 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-11-25 23:59:42,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:42,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:43,087 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:59:43,092 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 23:59:43,099 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:59:43,101 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:59:43,101 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:59:43,102 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:59:43,543 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:59:43,750 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:59:44,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2022-11-25 23:59:44,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2022-11-25 23:59:44,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2022-11-25 23:59:44,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2022-11-25 23:59:44,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2022-11-25 23:59:44,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2022-11-25 23:59:44,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2022-11-25 23:59:44,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2022-11-25 23:59:44,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2022-11-25 23:59:44,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2022-11-25 23:59:44,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2022-11-25 23:59:44,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2022-11-25 23:59:44,223 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2022-11-25 23:59:44,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2022-11-25 23:59:44,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2022-11-25 23:59:44,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2022-11-25 23:59:44,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2022-11-25 23:59:44,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2022-11-25 23:59:44,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2022-11-25 23:59:44,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2022-11-25 23:59:44,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2022-11-25 23:59:44,234 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2022-11-25 23:59:44,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2022-11-25 23:59:44,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2022-11-25 23:59:44,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2022-11-25 23:59:44,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2022-11-25 23:59:44,243 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2022-11-25 23:59:44,243 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2022-11-25 23:59:44,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2022-11-25 23:59:44,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2022-11-25 23:59:44,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2022-11-25 23:59:44,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2022-11-25 23:59:44,246 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2022-11-25 23:59:44,247 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2022-11-25 23:59:44,248 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2022-11-25 23:59:44,249 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2022-11-25 23:59:44,249 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2022-11-25 23:59:44,249 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2022-11-25 23:59:44,250 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2022-11-25 23:59:44,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2022-11-25 23:59:44,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2022-11-25 23:59:44,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2022-11-25 23:59:44,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2022-11-25 23:59:44,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2022-11-25 23:59:44,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2022-11-25 23:59:44,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2022-11-25 23:59:44,255 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2022-11-25 23:59:44,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2022-11-25 23:59:44,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2022-11-25 23:59:44,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2022-11-25 23:59:44,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2022-11-25 23:59:44,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2022-11-25 23:59:44,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2022-11-25 23:59:44,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2022-11-25 23:59:44,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2022-11-25 23:59:44,262 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2022-11-25 23:59:44,262 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2022-11-25 23:59:44,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2022-11-25 23:59:44,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2022-11-25 23:59:44,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2022-11-25 23:59:44,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2022-11-25 23:59:44,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2022-11-25 23:59:44,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2022-11-25 23:59:44,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2022-11-25 23:59:44,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2022-11-25 23:59:44,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2022-11-25 23:59:44,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2022-11-25 23:59:44,269 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2022-11-25 23:59:44,269 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2022-11-25 23:59:44,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2022-11-25 23:59:44,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2022-11-25 23:59:44,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2022-11-25 23:59:44,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2022-11-25 23:59:44,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2022-11-25 23:59:44,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2022-11-25 23:59:44,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2022-11-25 23:59:44,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2022-11-25 23:59:44,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2022-11-25 23:59:44,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2022-11-25 23:59:44,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2022-11-25 23:59:44,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2022-11-25 23:59:44,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2022-11-25 23:59:44,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2022-11-25 23:59:44,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2022-11-25 23:59:44,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2022-11-25 23:59:44,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2022-11-25 23:59:44,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2022-11-25 23:59:44,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2022-11-25 23:59:44,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:59:44,336 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:59:44,503 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:59:44,525 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:59:44,525 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,526 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:44,527 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:44,528 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:44,528 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-25 23:59:44,533 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,534 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 23:59:44,537 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-25 23:59:44,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,538 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-25 23:59:44,539 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-25 23:59:44,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,543 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 23:59:44,548 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-25 23:59:44,548 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-25 23:59:44,548 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-25 23:59:44,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,549 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-25 23:59:44,550 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,550 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-25 23:59:44,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,553 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:44,555 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:44,556 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:44,557 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:44,560 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-25 23:59:44,563 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,571 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:59:44,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,575 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,576 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,577 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,580 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,581 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,583 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,585 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,585 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:59:44,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,588 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,591 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,592 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:44,593 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,594 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:59:44,595 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,596 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,597 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:44,597 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:44,599 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:44,601 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:59:44,602 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:59:44,603 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:59:44,607 WARN L623 FunctionHandler]: Unknown extern function led_classdev_register [2022-11-25 23:59:44,608 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,609 WARN L623 FunctionHandler]: Unknown extern function led_classdev_unregister [2022-11-25 23:59:44,609 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:59:44,611 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:44,613 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-11-25 23:59:44,624 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:44,627 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:44,628 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:44,630 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:44,631 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,632 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:59:44,636 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:44,644 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:44,646 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-11-25 23:59:44,648 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:44,649 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-11-25 23:59:44,653 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 23:59:44,655 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-11-25 23:59:44,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,667 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,668 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,671 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,672 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,674 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,675 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,675 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,677 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,678 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:44,678 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,679 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:44,680 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,681 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,683 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,684 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 23:59:44,685 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-25 23:59:44,686 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,687 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,688 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,690 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,691 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,692 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,692 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:44,692 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:44,693 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:59:44,697 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:59:44,698 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,699 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:59:44,699 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,700 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,702 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,705 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,710 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:59:44,713 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,714 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,717 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,718 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:59:44,719 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-11-25 23:59:44,720 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:59:44,722 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:59:44,722 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-11-25 23:59:44,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:59:44,725 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-11-25 23:59:44,726 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:59:44,759 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:59:44,760 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 23:59:44,767 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:59:44,768 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:59:44,768 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:59:44,770 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:59:44,791 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:59:44,802 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:59:44,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2022-11-25 23:59:44,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2022-11-25 23:59:44,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2022-11-25 23:59:44,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2022-11-25 23:59:44,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2022-11-25 23:59:44,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2022-11-25 23:59:44,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2022-11-25 23:59:44,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2022-11-25 23:59:44,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2022-11-25 23:59:44,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2022-11-25 23:59:44,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2022-11-25 23:59:44,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2022-11-25 23:59:44,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2022-11-25 23:59:44,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2022-11-25 23:59:44,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2022-11-25 23:59:44,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2022-11-25 23:59:44,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2022-11-25 23:59:44,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2022-11-25 23:59:44,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2022-11-25 23:59:44,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2022-11-25 23:59:44,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2022-11-25 23:59:44,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2022-11-25 23:59:44,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2022-11-25 23:59:44,838 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2022-11-25 23:59:44,838 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2022-11-25 23:59:44,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2022-11-25 23:59:44,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2022-11-25 23:59:44,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2022-11-25 23:59:44,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2022-11-25 23:59:44,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2022-11-25 23:59:44,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2022-11-25 23:59:44,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2022-11-25 23:59:44,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2022-11-25 23:59:44,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2022-11-25 23:59:44,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2022-11-25 23:59:44,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2022-11-25 23:59:44,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2022-11-25 23:59:44,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2022-11-25 23:59:44,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2022-11-25 23:59:44,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2022-11-25 23:59:44,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2022-11-25 23:59:44,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2022-11-25 23:59:44,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2022-11-25 23:59:44,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2022-11-25 23:59:44,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2022-11-25 23:59:44,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2022-11-25 23:59:44,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2022-11-25 23:59:44,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2022-11-25 23:59:44,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2022-11-25 23:59:44,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2022-11-25 23:59:44,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2022-11-25 23:59:44,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2022-11-25 23:59:44,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2022-11-25 23:59:44,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2022-11-25 23:59:44,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2022-11-25 23:59:44,861 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2022-11-25 23:59:44,862 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2022-11-25 23:59:44,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2022-11-25 23:59:44,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2022-11-25 23:59:44,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2022-11-25 23:59:44,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2022-11-25 23:59:44,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2022-11-25 23:59:44,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2022-11-25 23:59:44,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2022-11-25 23:59:44,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2022-11-25 23:59:44,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2022-11-25 23:59:44,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2022-11-25 23:59:44,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2022-11-25 23:59:44,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2022-11-25 23:59:44,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2022-11-25 23:59:44,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2022-11-25 23:59:44,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2022-11-25 23:59:44,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2022-11-25 23:59:44,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2022-11-25 23:59:44,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2022-11-25 23:59:44,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2022-11-25 23:59:44,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2022-11-25 23:59:44,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2022-11-25 23:59:44,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2022-11-25 23:59:44,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2022-11-25 23:59:44,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2022-11-25 23:59:44,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2022-11-25 23:59:44,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2022-11-25 23:59:44,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2022-11-25 23:59:44,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2022-11-25 23:59:44,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2022-11-25 23:59:44,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2022-11-25 23:59:44,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2022-11-25 23:59:44,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:59:45,146 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:59:45,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45 WrapperNode [2022-11-25 23:59:45,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:59:45,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:59:45,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:59:45,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:59:45,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,497 INFO L138 Inliner]: procedures = 609, calls = 2411, calls flagged for inlining = 291, calls inlined = 202, statements flattened = 4711 [2022-11-25 23:59:45,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:59:45,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:59:45,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:59:45,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:59:45,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:59:45,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:59:45,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:59:45,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:59:45,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (1/1) ... [2022-11-25 23:59:45,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:59:45,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:45,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:59:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:59:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-25 23:59:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-25 23:59:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 23:59:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 23:59:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:59:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:59:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2022-11-25 23:59:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2022-11-25 23:59:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:59:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:59:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 23:59:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 23:59:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-25 23:59:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-25 23:59:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 23:59:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 23:59:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 23:59:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 23:59:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:59:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2022-11-25 23:59:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2022-11-25 23:59:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2022-11-25 23:59:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2022-11-25 23:59:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:59:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:59:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:59:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:59:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 23:59:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 23:59:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:59:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 23:59:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 23:59:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2022-11-25 23:59:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2022-11-25 23:59:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:59:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:59:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 23:59:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 23:59:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:59:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:59:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-25 23:59:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-25 23:59:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 23:59:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 23:59:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:59:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2022-11-25 23:59:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2022-11-25 23:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 23:59:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 23:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 23:59:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 23:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2022-11-25 23:59:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2022-11-25 23:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:59:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:59:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 23:59:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 23:59:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2022-11-25 23:59:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2022-11-25 23:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 23:59:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 23:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:59:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2022-11-25 23:59:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2022-11-25 23:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 23:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 23:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-11-25 23:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-11-25 23:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-25 23:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-25 23:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 23:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 23:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2022-11-25 23:59:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2022-11-25 23:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-25 23:59:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-25 23:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2022-11-25 23:59:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2022-11-25 23:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 23:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 23:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-25 23:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-25 23:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-25 23:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-25 23:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2022-11-25 23:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2022-11-25 23:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 23:59:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 23:59:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-11-25 23:59:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-11-25 23:59:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2022-11-25 23:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2022-11-25 23:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 23:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 23:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-25 23:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-25 23:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:59:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-25 23:59:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-25 23:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-25 23:59:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-25 23:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-25 23:59:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-25 23:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2022-11-25 23:59:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2022-11-25 23:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-25 23:59:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-25 23:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2022-11-25 23:59:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2022-11-25 23:59:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:59:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:59:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-25 23:59:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-25 23:59:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 23:59:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 23:59:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-25 23:59:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-25 23:59:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 23:59:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 23:59:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:59:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 23:59:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 23:59:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2022-11-25 23:59:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2022-11-25 23:59:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:59:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-25 23:59:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-25 23:59:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-25 23:59:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-25 23:59:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-25 23:59:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-25 23:59:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-25 23:59:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-25 23:59:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2022-11-25 23:59:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:59:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-25 23:59:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-25 23:59:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:59:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:59:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 23:59:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 23:59:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 23:59:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 23:59:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2022-11-25 23:59:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2022-11-25 23:59:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-25 23:59:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-25 23:59:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:59:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:59:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-25 23:59:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-25 23:59:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:59:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:59:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2022-11-25 23:59:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2022-11-25 23:59:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-25 23:59:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-25 23:59:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-25 23:59:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-25 23:59:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 23:59:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 23:59:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:59:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:59:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 23:59:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 23:59:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-25 23:59:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-25 23:59:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2022-11-25 23:59:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2022-11-25 23:59:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 23:59:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 23:59:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2022-11-25 23:59:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2022-11-25 23:59:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 23:59:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 23:59:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:59:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:59:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 23:59:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 23:59:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2022-11-25 23:59:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2022-11-25 23:59:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:59:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 23:59:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 23:59:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2022-11-25 23:59:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2022-11-25 23:59:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:59:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:59:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 23:59:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 23:59:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-25 23:59:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-25 23:59:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2022-11-25 23:59:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2022-11-25 23:59:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-25 23:59:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-25 23:59:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-25 23:59:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-25 23:59:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2022-11-25 23:59:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2022-11-25 23:59:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:59:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:59:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 23:59:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 23:59:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:59:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2022-11-25 23:59:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2022-11-25 23:59:46,815 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:59:46,819 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:59:46,931 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:59:50,541 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:59:51,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:59:51,250 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 23:59:51,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:59:51 BoogieIcfgContainer [2022-11-25 23:59:51,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:59:51,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:59:51,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:59:51,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:59:51,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:59:40" (1/3) ... [2022-11-25 23:59:51,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aeb3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:59:51, skipping insertion in model container [2022-11-25 23:59:51,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:59:45" (2/3) ... [2022-11-25 23:59:51,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aeb3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:59:51, skipping insertion in model container [2022-11-25 23:59:51,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:59:51" (3/3) ... [2022-11-25 23:59:51,265 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-11-25 23:59:51,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:59:51,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-25 23:59:51,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:59:51,376 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;@1e01a985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:59:51,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-25 23:59:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 1206 states, 686 states have (on average 1.2959183673469388) internal successors, (889), 742 states have internal predecessors, (889), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2022-11-25 23:59:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 23:59:51,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:51,400 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:51,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 23:59:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1916324793, now seen corresponding path program 1 times [2022-11-25 23:59:51,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:51,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475010980] [2022-11-25 23:59:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 23:59:52,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:52,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475010980] [2022-11-25 23:59:52,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475010980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:52,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:52,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539656038] [2022-11-25 23:59:52,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:52,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:52,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:52,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:52,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:52,673 INFO L87 Difference]: Start difference. First operand has 1206 states, 686 states have (on average 1.2959183673469388) internal successors, (889), 742 states have internal predecessors, (889), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:59:54,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:54,677 INFO L93 Difference]: Finished difference Result 2375 states and 3393 transitions. [2022-11-25 23:59:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 51 [2022-11-25 23:59:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:54,702 INFO L225 Difference]: With dead ends: 2375 [2022-11-25 23:59:54,702 INFO L226 Difference]: Without dead ends: 1193 [2022-11-25 23:59:54,714 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 [2022-11-25 23:59:54,717 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 1600 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:54,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 2866 Invalid, 375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:59:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-11-25 23:59:54,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2022-11-25 23:59:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 679 states have (on average 1.2474226804123711) internal successors, (847), 732 states have internal predecessors, (847), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-25 23:59:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1609 transitions. [2022-11-25 23:59:54,866 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1609 transitions. Word has length 51 [2022-11-25 23:59:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:54,868 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1609 transitions. [2022-11-25 23:59:54,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:59:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1609 transitions. [2022-11-25 23:59:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 23:59:54,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:54,871 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:54,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:59:54,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 23:59:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1692129117, now seen corresponding path program 1 times [2022-11-25 23:59:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:54,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012698798] [2022-11-25 23:59:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 23:59:55,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:55,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012698798] [2022-11-25 23:59:55,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012698798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:55,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:55,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:55,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321935744] [2022-11-25 23:59:55,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:55,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:55,535 INFO L87 Difference]: Start difference. First operand 1193 states and 1609 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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) [2022-11-25 23:59:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:57,405 INFO L93 Difference]: Finished difference Result 1193 states and 1609 transitions. [2022-11-25 23:59:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:57,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 56 [2022-11-25 23:59:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:57,413 INFO L225 Difference]: With dead ends: 1193 [2022-11-25 23:59:57,414 INFO L226 Difference]: Without dead ends: 1191 [2022-11-25 23:59:57,414 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 [2022-11-25 23:59:57,415 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 1584 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:57,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 2838 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:59:57,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-11-25 23:59:57,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1191. [2022-11-25 23:59:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 678 states have (on average 1.2463126843657817) internal successors, (845), 730 states have internal predecessors, (845), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-25 23:59:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1607 transitions. [2022-11-25 23:59:57,494 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1607 transitions. Word has length 56 [2022-11-25 23:59:57,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:57,495 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1607 transitions. [2022-11-25 23:59:57,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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) [2022-11-25 23:59:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1607 transitions. [2022-11-25 23:59:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:59:57,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:57,497 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:57,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:59:57,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 23:59:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:57,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1312678301, now seen corresponding path program 1 times [2022-11-25 23:59:57,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:57,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336144494] [2022-11-25 23:59:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 23:59:57,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336144494] [2022-11-25 23:59:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336144494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:57,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:57,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:57,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913037026] [2022-11-25 23:59:57,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:57,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:57,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:57,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:57,891 INFO L87 Difference]: Start difference. First operand 1191 states and 1607 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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) [2022-11-25 23:59:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:59,272 INFO L93 Difference]: Finished difference Result 1191 states and 1607 transitions. [2022-11-25 23:59:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:59:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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 61 [2022-11-25 23:59:59,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:59,281 INFO L225 Difference]: With dead ends: 1191 [2022-11-25 23:59:59,281 INFO L226 Difference]: Without dead ends: 1189 [2022-11-25 23:59:59,282 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 [2022-11-25 23:59:59,282 INFO L413 NwaCegarLoop]: 1417 mSDtfsCounter, 1581 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:59,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 2834 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:59:59,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-11-25 23:59:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1189. [2022-11-25 23:59:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 677 states have (on average 1.2451994091580503) internal successors, (843), 728 states have internal predecessors, (843), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-25 23:59:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1605 transitions. [2022-11-25 23:59:59,364 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1605 transitions. Word has length 61 [2022-11-25 23:59:59,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:59,365 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1605 transitions. [2022-11-25 23:59:59,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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) [2022-11-25 23:59:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1605 transitions. [2022-11-25 23:59:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:59:59,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:59,368 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:59,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:59:59,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 23:59:59,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash -648373738, now seen corresponding path program 1 times [2022-11-25 23:59:59,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:59,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958571769] [2022-11-25 23:59:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:59,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 23:59:59,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:59,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958571769] [2022-11-25 23:59:59,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958571769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:59:59,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:59:59,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:59:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846949245] [2022-11-25 23:59:59,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:59:59,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:59:59,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:59:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:59:59,784 INFO L87 Difference]: Start difference. First operand 1189 states and 1605 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 00:00:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:01,514 INFO L93 Difference]: Finished difference Result 1189 states and 1605 transitions. [2022-11-26 00:00:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:01,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 66 [2022-11-26 00:00:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:01,524 INFO L225 Difference]: With dead ends: 1189 [2022-11-26 00:00:01,524 INFO L226 Difference]: Without dead ends: 1187 [2022-11-26 00:00:01,525 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 00:00:01,527 INFO L413 NwaCegarLoop]: 1415 mSDtfsCounter, 1578 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:01,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 2830 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:00:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-11-26 00:00:01,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2022-11-26 00:00:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 676 states have (on average 1.2440828402366864) internal successors, (841), 726 states have internal predecessors, (841), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-26 00:00:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1603 transitions. [2022-11-26 00:00:01,658 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1603 transitions. Word has length 66 [2022-11-26 00:00:01,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:01,659 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1603 transitions. [2022-11-26 00:00:01,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 00:00:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1603 transitions. [2022-11-26 00:00:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-26 00:00:01,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:01,662 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:01,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:00:01,663 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash -651120236, now seen corresponding path program 1 times [2022-11-26 00:00:01,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:01,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812319910] [2022-11-26 00:00:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:01,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:02,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:02,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812319910] [2022-11-26 00:00:02,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812319910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:02,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:02,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:02,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309152403] [2022-11-26 00:00:02,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:02,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:02,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:02,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:02,189 INFO L87 Difference]: Start difference. First operand 1187 states and 1603 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 00:00:04,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:04,025 INFO L93 Difference]: Finished difference Result 1187 states and 1603 transitions. [2022-11-26 00:00:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:04,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 71 [2022-11-26 00:00:04,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:04,034 INFO L225 Difference]: With dead ends: 1187 [2022-11-26 00:00:04,034 INFO L226 Difference]: Without dead ends: 1185 [2022-11-26 00:00:04,035 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 00:00:04,036 INFO L413 NwaCegarLoop]: 1413 mSDtfsCounter, 1575 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:04,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 2826 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:00:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-11-26 00:00:04,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2022-11-26 00:00:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 675 states have (on average 1.242962962962963) internal successors, (839), 724 states have internal predecessors, (839), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-26 00:00:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1601 transitions. [2022-11-26 00:00:04,170 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1601 transitions. Word has length 71 [2022-11-26 00:00:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:04,170 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1601 transitions. [2022-11-26 00:00:04,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 00:00:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1601 transitions. [2022-11-26 00:00:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-26 00:00:04,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:04,173 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:04,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:00:04,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:04,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1416377374, now seen corresponding path program 1 times [2022-11-26 00:00:04,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:04,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199667765] [2022-11-26 00:00:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:04,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:04,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199667765] [2022-11-26 00:00:04,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199667765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:04,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:04,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:04,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843162584] [2022-11-26 00:00:04,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:04,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:04,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:04,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:04,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:04,611 INFO L87 Difference]: Start difference. First operand 1185 states and 1601 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 00:00:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:06,145 INFO L93 Difference]: Finished difference Result 1185 states and 1601 transitions. [2022-11-26 00:00:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 76 [2022-11-26 00:00:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:06,154 INFO L225 Difference]: With dead ends: 1185 [2022-11-26 00:00:06,154 INFO L226 Difference]: Without dead ends: 1183 [2022-11-26 00:00:06,155 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 00:00:06,156 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 1572 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 2822 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:06,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 2822 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:00:06,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-11-26 00:00:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-11-26 00:00:06,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 674 states have (on average 1.241839762611276) internal successors, (837), 722 states have internal predecessors, (837), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-11-26 00:00:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1599 transitions. [2022-11-26 00:00:06,250 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1599 transitions. Word has length 76 [2022-11-26 00:00:06,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:06,251 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1599 transitions. [2022-11-26 00:00:06,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 00:00:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1599 transitions. [2022-11-26 00:00:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-26 00:00:06,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:06,253 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:06,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:00:06,254 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:06,254 INFO L85 PathProgramCache]: Analyzing trace with hash 253042189, now seen corresponding path program 1 times [2022-11-26 00:00:06,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:06,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610765739] [2022-11-26 00:00:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:06,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:06,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610765739] [2022-11-26 00:00:06,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610765739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:06,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:06,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:06,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375214487] [2022-11-26 00:00:06,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:06,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:06,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:06,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:06,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:06,715 INFO L87 Difference]: Start difference. First operand 1183 states and 1599 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 00:00:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:09,441 INFO L93 Difference]: Finished difference Result 2043 states and 2719 transitions. [2022-11-26 00:00:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:00:09,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 81 [2022-11-26 00:00:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:09,456 INFO L225 Difference]: With dead ends: 2043 [2022-11-26 00:00:09,456 INFO L226 Difference]: Without dead ends: 2041 [2022-11-26 00:00:09,457 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 00:00:09,458 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 1330 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:09,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 4606 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:00:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2022-11-26 00:00:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 1910. [2022-11-26 00:00:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1094 states have (on average 1.230347349177331) internal successors, (1346), 1160 states have internal predecessors, (1346), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2583 transitions. [2022-11-26 00:00:09,646 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2583 transitions. Word has length 81 [2022-11-26 00:00:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:09,647 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 2583 transitions. [2022-11-26 00:00:09,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 00:00:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2583 transitions. [2022-11-26 00:00:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-26 00:00:09,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:09,651 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:09,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:00:09,651 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:09,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash -350685594, now seen corresponding path program 1 times [2022-11-26 00:00:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:09,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622203659] [2022-11-26 00:00:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:09,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:10,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:10,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622203659] [2022-11-26 00:00:10,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622203659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:10,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:10,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:10,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066808120] [2022-11-26 00:00:10,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:10,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:10,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:10,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:10,144 INFO L87 Difference]: Start difference. First operand 1910 states and 2583 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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 00:00:12,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:12,330 INFO L93 Difference]: Finished difference Result 1910 states and 2583 transitions. [2022-11-26 00:00:12,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:12,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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 86 [2022-11-26 00:00:12,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:12,350 INFO L225 Difference]: With dead ends: 1910 [2022-11-26 00:00:12,350 INFO L226 Difference]: Without dead ends: 1908 [2022-11-26 00:00:12,353 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 00:00:12,355 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 1572 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:12,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 2814 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:00:12,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-26 00:00:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2022-11-26 00:00:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1093 states have (on average 1.2296431838975297) internal successors, (1344), 1158 states have internal predecessors, (1344), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2581 transitions. [2022-11-26 00:00:12,646 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2581 transitions. Word has length 86 [2022-11-26 00:00:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:12,646 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2581 transitions. [2022-11-26 00:00:12,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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 00:00:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2581 transitions. [2022-11-26 00:00:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-26 00:00:12,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:12,651 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:12,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:00:12,652 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:12,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:12,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2001269047, now seen corresponding path program 1 times [2022-11-26 00:00:12,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:12,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985145007] [2022-11-26 00:00:12,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:12,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:13,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:13,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985145007] [2022-11-26 00:00:13,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985145007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:13,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:13,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:13,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258132894] [2022-11-26 00:00:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:13,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:13,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:13,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:13,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:13,209 INFO L87 Difference]: Start difference. First operand 1908 states and 2581 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, (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 00:00:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:15,250 INFO L93 Difference]: Finished difference Result 1908 states and 2581 transitions. [2022-11-26 00:00:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:15,256 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2022-11-26 00:00:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:15,269 INFO L225 Difference]: With dead ends: 1908 [2022-11-26 00:00:15,269 INFO L226 Difference]: Without dead ends: 1906 [2022-11-26 00:00:15,271 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 00:00:15,272 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 1564 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:15,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 2814 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:00:15,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-11-26 00:00:15,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1906. [2022-11-26 00:00:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1092 states have (on average 1.228937728937729) internal successors, (1342), 1156 states have internal predecessors, (1342), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2579 transitions. [2022-11-26 00:00:15,546 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2579 transitions. Word has length 88 [2022-11-26 00:00:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:15,546 INFO L495 AbstractCegarLoop]: Abstraction has 1906 states and 2579 transitions. [2022-11-26 00:00:15,547 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, (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 00:00:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2579 transitions. [2022-11-26 00:00:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-26 00:00:15,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:15,549 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:15,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:00:15,550 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:15,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:15,550 INFO L85 PathProgramCache]: Analyzing trace with hash 7422156, now seen corresponding path program 1 times [2022-11-26 00:00:15,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:15,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299807856] [2022-11-26 00:00:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:15,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:16,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:16,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299807856] [2022-11-26 00:00:16,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299807856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:16,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:16,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233221456] [2022-11-26 00:00:16,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:16,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:16,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:16,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:16,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:16,029 INFO L87 Difference]: Start difference. First operand 1906 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 00:00:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:18,196 INFO L93 Difference]: Finished difference Result 1906 states and 2579 transitions. [2022-11-26 00:00:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:18,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-26 00:00:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:18,210 INFO L225 Difference]: With dead ends: 1906 [2022-11-26 00:00:18,210 INFO L226 Difference]: Without dead ends: 1904 [2022-11-26 00:00:18,212 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 00:00:18,213 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 1563 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 2810 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:18,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 2810 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:00:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2022-11-26 00:00:18,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1904. [2022-11-26 00:00:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1091 states have (on average 1.228230980751604) internal successors, (1340), 1154 states have internal predecessors, (1340), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2577 transitions. [2022-11-26 00:00:18,511 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2577 transitions. Word has length 93 [2022-11-26 00:00:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:18,512 INFO L495 AbstractCegarLoop]: Abstraction has 1904 states and 2577 transitions. [2022-11-26 00:00:18,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 00:00:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2577 transitions. [2022-11-26 00:00:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-26 00:00:18,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:18,515 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:18,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:00:18,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:18,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1241644415, now seen corresponding path program 1 times [2022-11-26 00:00:18,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:18,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506010538] [2022-11-26 00:00:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:00:19,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:19,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506010538] [2022-11-26 00:00:19,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506010538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:19,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:19,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:00:19,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774922296] [2022-11-26 00:00:19,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:19,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:00:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:00:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:00:19,762 INFO L87 Difference]: Start difference. First operand 1904 states and 2577 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:00:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:24,001 INFO L93 Difference]: Finished difference Result 1904 states and 2577 transitions. [2022-11-26 00:00:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:00:24,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2022-11-26 00:00:24,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:24,012 INFO L225 Difference]: With dead ends: 1904 [2022-11-26 00:00:24,012 INFO L226 Difference]: Without dead ends: 1902 [2022-11-26 00:00:24,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:00:24,014 INFO L413 NwaCegarLoop]: 1404 mSDtfsCounter, 1555 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:24,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 4853 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-26 00:00:24,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2022-11-26 00:00:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1902. [2022-11-26 00:00:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1090 states have (on average 1.226605504587156) internal successors, (1337), 1152 states have internal predecessors, (1337), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2574 transitions. [2022-11-26 00:00:24,226 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2574 transitions. Word has length 127 [2022-11-26 00:00:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:24,227 INFO L495 AbstractCegarLoop]: Abstraction has 1902 states and 2574 transitions. [2022-11-26 00:00:24,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:00:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2574 transitions. [2022-11-26 00:00:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-26 00:00:24,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:24,229 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:24,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:00:24,229 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:24,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:24,230 INFO L85 PathProgramCache]: Analyzing trace with hash 870554286, now seen corresponding path program 1 times [2022-11-26 00:00:24,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:24,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723668504] [2022-11-26 00:00:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:24,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:24,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:24,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723668504] [2022-11-26 00:00:24,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723668504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:24,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:24,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:24,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310012857] [2022-11-26 00:00:24,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:24,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:24,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:24,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:24,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:24,725 INFO L87 Difference]: Start difference. First operand 1902 states and 2574 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:00:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:26,838 INFO L93 Difference]: Finished difference Result 1902 states and 2574 transitions. [2022-11-26 00:00:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:26,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-26 00:00:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:26,853 INFO L225 Difference]: With dead ends: 1902 [2022-11-26 00:00:26,853 INFO L226 Difference]: Without dead ends: 1900 [2022-11-26 00:00:26,855 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 00:00:26,855 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 1558 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:26,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 2802 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:00:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-26 00:00:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1900. [2022-11-26 00:00:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1900 states, 1089 states have (on average 1.2258953168044078) internal successors, (1335), 1150 states have internal predecessors, (1335), 619 states have call successors, (619), 174 states have call predecessors, (619), 172 states have return successors, (618), 614 states have call predecessors, (618), 617 states have call successors, (618) [2022-11-26 00:00:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1900 states and 2572 transitions. [2022-11-26 00:00:27,082 INFO L78 Accepts]: Start accepts. Automaton has 1900 states and 2572 transitions. Word has length 98 [2022-11-26 00:00:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:27,083 INFO L495 AbstractCegarLoop]: Abstraction has 1900 states and 2572 transitions. [2022-11-26 00:00:27,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:00:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2572 transitions. [2022-11-26 00:00:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 00:00:27,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:27,085 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:27,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:00:27,086 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:27,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1851644048, now seen corresponding path program 1 times [2022-11-26 00:00:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:27,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203162738] [2022-11-26 00:00:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-26 00:00:28,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:28,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203162738] [2022-11-26 00:00:28,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203162738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:28,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:28,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:00:28,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972323954] [2022-11-26 00:00:28,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:28,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:00:28,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:28,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:00:28,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:00:28,154 INFO L87 Difference]: Start difference. First operand 1900 states and 2572 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:00:31,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:31,912 INFO L93 Difference]: Finished difference Result 2555 states and 3447 transitions. [2022-11-26 00:00:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:00:31,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-11-26 00:00:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:31,933 INFO L225 Difference]: With dead ends: 2555 [2022-11-26 00:00:31,933 INFO L226 Difference]: Without dead ends: 2553 [2022-11-26 00:00:31,935 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 00:00:31,936 INFO L413 NwaCegarLoop]: 1592 mSDtfsCounter, 1331 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 5427 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:31,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 5427 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:00:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2022-11-26 00:00:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2522. [2022-11-26 00:00:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 1432 states have (on average 1.2220670391061452) internal successors, (1750), 1531 states have internal predecessors, (1750), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3425 transitions. [2022-11-26 00:00:32,286 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3425 transitions. Word has length 124 [2022-11-26 00:00:32,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:32,287 INFO L495 AbstractCegarLoop]: Abstraction has 2522 states and 3425 transitions. [2022-11-26 00:00:32,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:00:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3425 transitions. [2022-11-26 00:00:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 00:00:32,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:32,290 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:32,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:00:32,290 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:32,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash -42962612, now seen corresponding path program 1 times [2022-11-26 00:00:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:32,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535756590] [2022-11-26 00:00:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:00:32,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:32,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535756590] [2022-11-26 00:00:32,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535756590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:32,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:32,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:00:32,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190892975] [2022-11-26 00:00:32,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:32,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:00:32,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:32,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:00:32,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:00:32,623 INFO L87 Difference]: Start difference. First operand 2522 states and 3425 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:00:34,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:34,432 INFO L93 Difference]: Finished difference Result 5005 states and 6822 transitions. [2022-11-26 00:00:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:00:34,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-26 00:00:34,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:34,457 INFO L225 Difference]: With dead ends: 5005 [2022-11-26 00:00:34,457 INFO L226 Difference]: Without dead ends: 2516 [2022-11-26 00:00:34,470 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 00:00:34,471 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 1551 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:34,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 1397 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:00:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2022-11-26 00:00:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2022-11-26 00:00:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1427 states have (on average 1.2200420462508759) internal successors, (1741), 1525 states have internal predecessors, (1741), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3416 transitions. [2022-11-26 00:00:34,893 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3416 transitions. Word has length 133 [2022-11-26 00:00:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:34,895 INFO L495 AbstractCegarLoop]: Abstraction has 2516 states and 3416 transitions. [2022-11-26 00:00:34,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:00:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3416 transitions. [2022-11-26 00:00:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-26 00:00:34,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:34,899 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:34,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:00:34,900 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:34,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:34,901 INFO L85 PathProgramCache]: Analyzing trace with hash 864675528, now seen corresponding path program 1 times [2022-11-26 00:00:34,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:34,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024778728] [2022-11-26 00:00:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:35,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:35,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024778728] [2022-11-26 00:00:35,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024778728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:35,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:35,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:35,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356616043] [2022-11-26 00:00:35,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:35,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:35,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:35,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:35,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:35,422 INFO L87 Difference]: Start difference. First operand 2516 states and 3416 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 00:00:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:37,592 INFO L93 Difference]: Finished difference Result 2516 states and 3416 transitions. [2022-11-26 00:00:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:37,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 103 [2022-11-26 00:00:37,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:37,612 INFO L225 Difference]: With dead ends: 2516 [2022-11-26 00:00:37,612 INFO L226 Difference]: Without dead ends: 2514 [2022-11-26 00:00:37,614 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 00:00:37,615 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 1550 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:37,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 2788 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:00:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-11-26 00:00:38,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2022-11-26 00:00:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1426 states have (on average 1.2187938288920057) internal successors, (1738), 1523 states have internal predecessors, (1738), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3413 transitions. [2022-11-26 00:00:38,066 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3413 transitions. Word has length 103 [2022-11-26 00:00:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:38,067 INFO L495 AbstractCegarLoop]: Abstraction has 2514 states and 3413 transitions. [2022-11-26 00:00:38,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 00:00:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3413 transitions. [2022-11-26 00:00:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-26 00:00:38,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:38,070 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:38,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:00:38,071 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:38,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:38,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1910605367, now seen corresponding path program 1 times [2022-11-26 00:00:38,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:38,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514990026] [2022-11-26 00:00:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:38,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:38,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:38,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514990026] [2022-11-26 00:00:38,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514990026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:38,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:38,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:38,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183953342] [2022-11-26 00:00:38,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:38,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:38,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:38,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:38,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:38,537 INFO L87 Difference]: Start difference. First operand 2514 states and 3413 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 00:00:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:40,781 INFO L93 Difference]: Finished difference Result 2514 states and 3413 transitions. [2022-11-26 00:00:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:40,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 108 [2022-11-26 00:00:40,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:40,801 INFO L225 Difference]: With dead ends: 2514 [2022-11-26 00:00:40,801 INFO L226 Difference]: Without dead ends: 2512 [2022-11-26 00:00:40,803 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 00:00:40,804 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 1547 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:40,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 2784 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:00:40,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2022-11-26 00:00:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2022-11-26 00:00:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1425 states have (on average 1.2175438596491228) internal successors, (1735), 1521 states have internal predecessors, (1735), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3410 transitions. [2022-11-26 00:00:41,242 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3410 transitions. Word has length 108 [2022-11-26 00:00:41,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:41,243 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3410 transitions. [2022-11-26 00:00:41,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 00:00:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3410 transitions. [2022-11-26 00:00:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:00:41,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:41,247 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:41,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:00:41,248 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:41,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:41,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1687092559, now seen corresponding path program 1 times [2022-11-26 00:00:41,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:41,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503538846] [2022-11-26 00:00:41,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:41,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:41,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:41,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503538846] [2022-11-26 00:00:41,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503538846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:41,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:41,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:41,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827338169] [2022-11-26 00:00:41,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:41,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:41,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:41,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:41,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:41,720 INFO L87 Difference]: Start difference. First operand 2512 states and 3410 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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 00:00:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:43,991 INFO L93 Difference]: Finished difference Result 2512 states and 3410 transitions. [2022-11-26 00:00:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:43,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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 113 [2022-11-26 00:00:43,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:44,006 INFO L225 Difference]: With dead ends: 2512 [2022-11-26 00:00:44,006 INFO L226 Difference]: Without dead ends: 2510 [2022-11-26 00:00:44,008 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 00:00:44,009 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 1544 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:44,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 2780 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:00:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-26 00:00:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-26 00:00:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 1424 states have (on average 1.2162921348314606) internal successors, (1732), 1519 states have internal predecessors, (1732), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3407 transitions. [2022-11-26 00:00:44,360 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3407 transitions. Word has length 113 [2022-11-26 00:00:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:44,360 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 3407 transitions. [2022-11-26 00:00:44,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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 00:00:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3407 transitions. [2022-11-26 00:00:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-26 00:00:44,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:44,363 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:44,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:00:44,364 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:44,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1337973594, now seen corresponding path program 1 times [2022-11-26 00:00:44,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:44,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819569661] [2022-11-26 00:00:44,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:44,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:44,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:44,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819569661] [2022-11-26 00:00:44,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819569661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:44,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:44,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:44,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475731859] [2022-11-26 00:00:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:44,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:44,841 INFO L87 Difference]: Start difference. First operand 2510 states and 3407 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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 00:00:47,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:00:47,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:47,470 INFO L93 Difference]: Finished difference Result 2510 states and 3407 transitions. [2022-11-26 00:00:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:47,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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 118 [2022-11-26 00:00:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:47,486 INFO L225 Difference]: With dead ends: 2510 [2022-11-26 00:00:47,486 INFO L226 Difference]: Without dead ends: 2508 [2022-11-26 00:00:47,488 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 00:00:47,488 INFO L413 NwaCegarLoop]: 1388 mSDtfsCounter, 1541 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:47,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 2776 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:00:47,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2022-11-26 00:00:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2022-11-26 00:00:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 1423 states have (on average 1.2150386507378776) internal successors, (1729), 1517 states have internal predecessors, (1729), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3404 transitions. [2022-11-26 00:00:47,821 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3404 transitions. Word has length 118 [2022-11-26 00:00:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:47,822 INFO L495 AbstractCegarLoop]: Abstraction has 2508 states and 3404 transitions. [2022-11-26 00:00:47,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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 00:00:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3404 transitions. [2022-11-26 00:00:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-26 00:00:47,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:47,825 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:47,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:00:47,825 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:47,826 INFO L85 PathProgramCache]: Analyzing trace with hash -137251374, now seen corresponding path program 1 times [2022-11-26 00:00:47,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:47,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618290754] [2022-11-26 00:00:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:47,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:48,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:48,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618290754] [2022-11-26 00:00:48,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618290754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:48,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:48,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:48,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826767746] [2022-11-26 00:00:48,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:48,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:48,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:48,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:48,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:48,558 INFO L87 Difference]: Start difference. First operand 2508 states and 3404 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (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 00:00:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:50,450 INFO L93 Difference]: Finished difference Result 2508 states and 3404 transitions. [2022-11-26 00:00:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:50,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 123 [2022-11-26 00:00:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:50,466 INFO L225 Difference]: With dead ends: 2508 [2022-11-26 00:00:50,466 INFO L226 Difference]: Without dead ends: 2506 [2022-11-26 00:00:50,468 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 00:00:50,468 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 1538 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:50,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 2772 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:00:50,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2022-11-26 00:00:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2022-11-26 00:00:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 1422 states have (on average 1.2137834036568214) internal successors, (1726), 1515 states have internal predecessors, (1726), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3401 transitions. [2022-11-26 00:00:50,787 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3401 transitions. Word has length 123 [2022-11-26 00:00:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:50,787 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 3401 transitions. [2022-11-26 00:00:50,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 00:00:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3401 transitions. [2022-11-26 00:00:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-26 00:00:50,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:50,791 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:50,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:00:50,791 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:50,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1833810005, now seen corresponding path program 1 times [2022-11-26 00:00:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:50,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262327809] [2022-11-26 00:00:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-26 00:00:51,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262327809] [2022-11-26 00:00:51,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262327809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:51,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:51,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:00:51,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975021590] [2022-11-26 00:00:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:51,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:00:51,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:51,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:00:51,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:00:51,039 INFO L87 Difference]: Start difference. First operand 2506 states and 3401 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:00:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:52,369 INFO L93 Difference]: Finished difference Result 4528 states and 6122 transitions. [2022-11-26 00:00:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:00:52,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2022-11-26 00:00:52,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:52,385 INFO L225 Difference]: With dead ends: 4528 [2022-11-26 00:00:52,386 INFO L226 Difference]: Without dead ends: 2500 [2022-11-26 00:00:52,393 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 00:00:52,395 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 1560 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:52,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 1382 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:00:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2022-11-26 00:00:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2500. [2022-11-26 00:00:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 1417 states have (on average 1.2117148906139732) internal successors, (1717), 1509 states have internal predecessors, (1717), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3392 transitions. [2022-11-26 00:00:52,799 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3392 transitions. Word has length 156 [2022-11-26 00:00:52,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:52,800 INFO L495 AbstractCegarLoop]: Abstraction has 2500 states and 3392 transitions. [2022-11-26 00:00:52,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:00:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3392 transitions. [2022-11-26 00:00:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-26 00:00:52,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:52,803 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:52,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:00:52,803 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:52,804 INFO L85 PathProgramCache]: Analyzing trace with hash -254384125, now seen corresponding path program 1 times [2022-11-26 00:00:52,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:52,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861763816] [2022-11-26 00:00:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:52,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:53,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:53,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861763816] [2022-11-26 00:00:53,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861763816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:53,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:53,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:53,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705707798] [2022-11-26 00:00:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:53,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:53,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:53,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:53,150 INFO L87 Difference]: Start difference. First operand 2500 states and 3392 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 00:00:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:54,837 INFO L93 Difference]: Finished difference Result 2500 states and 3392 transitions. [2022-11-26 00:00:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:00:54,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 128 [2022-11-26 00:00:54,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:54,848 INFO L225 Difference]: With dead ends: 2500 [2022-11-26 00:00:54,848 INFO L226 Difference]: Without dead ends: 2498 [2022-11-26 00:00:54,850 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 00:00:54,850 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 1530 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:54,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 2758 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:00:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2022-11-26 00:00:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2022-11-26 00:00:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1416 states have (on average 1.21045197740113) internal successors, (1714), 1507 states have internal predecessors, (1714), 834 states have call successors, (834), 244 states have call predecessors, (834), 236 states have return successors, (841), 801 states have call predecessors, (841), 832 states have call successors, (841) [2022-11-26 00:00:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3389 transitions. [2022-11-26 00:00:55,426 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3389 transitions. Word has length 128 [2022-11-26 00:00:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:55,427 INFO L495 AbstractCegarLoop]: Abstraction has 2498 states and 3389 transitions. [2022-11-26 00:00:55,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 00:00:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3389 transitions. [2022-11-26 00:00:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 00:00:55,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:55,431 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 00:00:55,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:00:55,431 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash -410722139, now seen corresponding path program 1 times [2022-11-26 00:00:55,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:55,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527127094] [2022-11-26 00:00:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:55,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-11-26 00:00:55,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:55,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527127094] [2022-11-26 00:00:55,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527127094] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:00:55,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931302653] [2022-11-26 00:00:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:55,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:00:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:00:55,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:00:55,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:00:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:56,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:00:56,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:00:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:00:56,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:00:56,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931302653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:56,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:00:56,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-26 00:00:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856910410] [2022-11-26 00:00:56,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:56,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:00:56,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:56,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:00:56,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:00:56,988 INFO L87 Difference]: Start difference. First operand 2498 states and 3389 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:00:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:00:58,223 INFO L93 Difference]: Finished difference Result 4528 states and 6111 transitions. [2022-11-26 00:00:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:00:58,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 161 [2022-11-26 00:00:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:00:58,239 INFO L225 Difference]: With dead ends: 4528 [2022-11-26 00:00:58,240 INFO L226 Difference]: Without dead ends: 2514 [2022-11-26 00:00:58,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:00:58,248 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 1477 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:00:58,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 1437 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:00:58,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-11-26 00:00:58,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2512. [2022-11-26 00:00:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1421 states have (on average 1.206896551724138) internal successors, (1715), 1512 states have internal predecessors, (1715), 838 states have call successors, (838), 250 states have call predecessors, (838), 242 states have return successors, (845), 804 states have call predecessors, (845), 836 states have call successors, (845) [2022-11-26 00:00:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3398 transitions. [2022-11-26 00:00:58,695 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3398 transitions. Word has length 161 [2022-11-26 00:00:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:00:58,695 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3398 transitions. [2022-11-26 00:00:58,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:00:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3398 transitions. [2022-11-26 00:00:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 00:00:58,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:00:58,698 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:00:58,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:00:58,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-26 00:00:58,911 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:00:58,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:00:58,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1960413465, now seen corresponding path program 1 times [2022-11-26 00:00:58,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:00:58,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205713939] [2022-11-26 00:00:58,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:00:58,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:00:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:00:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:00:59,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:00:59,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205713939] [2022-11-26 00:00:59,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205713939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:00:59,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:00:59,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:00:59,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167449862] [2022-11-26 00:00:59,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:00:59,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:00:59,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:00:59,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:00:59,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:00:59,256 INFO L87 Difference]: Start difference. First operand 2512 states and 3398 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 00:01:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:01,221 INFO L93 Difference]: Finished difference Result 2512 states and 3398 transitions. [2022-11-26 00:01:01,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 133 [2022-11-26 00:01:01,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:01,235 INFO L225 Difference]: With dead ends: 2512 [2022-11-26 00:01:01,236 INFO L226 Difference]: Without dead ends: 2510 [2022-11-26 00:01:01,238 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 00:01:01,238 INFO L413 NwaCegarLoop]: 1372 mSDtfsCounter, 1522 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:01,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 2744 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:01:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-26 00:01:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-26 00:01:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 1420 states have (on average 1.2056338028169014) internal successors, (1712), 1510 states have internal predecessors, (1712), 838 states have call successors, (838), 250 states have call predecessors, (838), 242 states have return successors, (845), 804 states have call predecessors, (845), 836 states have call successors, (845) [2022-11-26 00:01:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3395 transitions. [2022-11-26 00:01:01,728 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3395 transitions. Word has length 133 [2022-11-26 00:01:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:01,729 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 3395 transitions. [2022-11-26 00:01:01,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 00:01:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3395 transitions. [2022-11-26 00:01:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-26 00:01:01,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:01,732 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:01,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:01:01,732 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:01,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:01,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1767682409, now seen corresponding path program 1 times [2022-11-26 00:01:01,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:01,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175971044] [2022-11-26 00:01:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:01,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:01:02,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:02,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175971044] [2022-11-26 00:01:02,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175971044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:02,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:02,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:02,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843101908] [2022-11-26 00:01:02,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:02,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:02,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:02,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:02,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:02,102 INFO L87 Difference]: Start difference. First operand 2510 states and 3395 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 00:01:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:05,042 INFO L93 Difference]: Finished difference Result 4419 states and 5964 transitions. [2022-11-26 00:01:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:01:05,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 138 [2022-11-26 00:01:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:05,059 INFO L225 Difference]: With dead ends: 4419 [2022-11-26 00:01:05,059 INFO L226 Difference]: Without dead ends: 4417 [2022-11-26 00:01:05,061 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 00:01:05,062 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 1197 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:05,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 4717 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:01:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2022-11-26 00:01:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4381. [2022-11-26 00:01:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4381 states, 2470 states have (on average 1.1983805668016194) internal successors, (2960), 2632 states have internal predecessors, (2960), 1475 states have call successors, (1475), 440 states have call predecessors, (1475), 426 states have return successors, (1495), 1409 states have call predecessors, (1495), 1473 states have call successors, (1495) [2022-11-26 00:01:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5930 transitions. [2022-11-26 00:01:05,786 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5930 transitions. Word has length 138 [2022-11-26 00:01:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:05,786 INFO L495 AbstractCegarLoop]: Abstraction has 4381 states and 5930 transitions. [2022-11-26 00:01:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 00:01:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5930 transitions. [2022-11-26 00:01:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-26 00:01:05,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:05,790 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:05,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:01:05,791 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 163676908, now seen corresponding path program 1 times [2022-11-26 00:01:05,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:05,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743142636] [2022-11-26 00:01:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:01:06,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:06,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743142636] [2022-11-26 00:01:06,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743142636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:06,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:06,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:06,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452536995] [2022-11-26 00:01:06,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:06,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:06,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:06,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:06,140 INFO L87 Difference]: Start difference. First operand 4381 states and 5930 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 00:01:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:08,211 INFO L93 Difference]: Finished difference Result 4381 states and 5930 transitions. [2022-11-26 00:01:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 143 [2022-11-26 00:01:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:08,234 INFO L225 Difference]: With dead ends: 4381 [2022-11-26 00:01:08,234 INFO L226 Difference]: Without dead ends: 4379 [2022-11-26 00:01:08,236 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 00:01:08,237 INFO L413 NwaCegarLoop]: 1370 mSDtfsCounter, 1518 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:08,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 2740 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:01:08,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-11-26 00:01:09,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4379. [2022-11-26 00:01:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4379 states, 2469 states have (on average 1.197650870797894) internal successors, (2957), 2630 states have internal predecessors, (2957), 1475 states have call successors, (1475), 440 states have call predecessors, (1475), 426 states have return successors, (1495), 1409 states have call predecessors, (1495), 1473 states have call successors, (1495) [2022-11-26 00:01:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 5927 transitions. [2022-11-26 00:01:09,090 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 5927 transitions. Word has length 143 [2022-11-26 00:01:09,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:09,091 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 5927 transitions. [2022-11-26 00:01:09,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 00:01:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 5927 transitions. [2022-11-26 00:01:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-26 00:01:09,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:09,095 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:09,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:01:09,095 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:09,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:09,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1383524411, now seen corresponding path program 1 times [2022-11-26 00:01:09,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:09,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131271404] [2022-11-26 00:01:09,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:01:09,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:09,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131271404] [2022-11-26 00:01:09,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131271404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:09,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:09,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:01:09,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812573232] [2022-11-26 00:01:09,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:09,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:01:09,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:09,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:01:09,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:01:09,483 INFO L87 Difference]: Start difference. First operand 4379 states and 5927 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 00:01:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:12,875 INFO L93 Difference]: Finished difference Result 7614 states and 10297 transitions. [2022-11-26 00:01:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:01:12,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 148 [2022-11-26 00:01:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:12,905 INFO L225 Difference]: With dead ends: 7614 [2022-11-26 00:01:12,905 INFO L226 Difference]: Without dead ends: 7369 [2022-11-26 00:01:12,911 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 00:01:12,912 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 1438 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:12,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 4788 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:01:12,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2022-11-26 00:01:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7340. [2022-11-26 00:01:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7340 states, 4143 states have (on average 1.2013034033309196) internal successors, (4977), 4412 states have internal predecessors, (4977), 2484 states have call successors, (2484), 728 states have call predecessors, (2484), 704 states have return successors, (2530), 2375 states have call predecessors, (2530), 2478 states have call successors, (2530) [2022-11-26 00:01:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7340 states to 7340 states and 9991 transitions. [2022-11-26 00:01:14,333 INFO L78 Accepts]: Start accepts. Automaton has 7340 states and 9991 transitions. Word has length 148 [2022-11-26 00:01:14,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:14,333 INFO L495 AbstractCegarLoop]: Abstraction has 7340 states and 9991 transitions. [2022-11-26 00:01:14,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 00:01:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7340 states and 9991 transitions. [2022-11-26 00:01:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-26 00:01:14,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:14,336 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 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, 1, 1, 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 00:01:14,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:01:14,336 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:14,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash 180426120, now seen corresponding path program 1 times [2022-11-26 00:01:14,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:14,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117055173] [2022-11-26 00:01:14,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:14,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-26 00:01:15,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:15,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117055173] [2022-11-26 00:01:15,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117055173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:15,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:15,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:15,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340732564] [2022-11-26 00:01:15,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:15,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:01:15,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:15,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:01:15,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:15,059 INFO L87 Difference]: Start difference. First operand 7340 states and 9991 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:01:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:19,913 INFO L93 Difference]: Finished difference Result 13853 states and 19277 transitions. [2022-11-26 00:01:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:01:19,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 167 [2022-11-26 00:01:19,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:19,970 INFO L225 Difference]: With dead ends: 13853 [2022-11-26 00:01:19,970 INFO L226 Difference]: Without dead ends: 13851 [2022-11-26 00:01:19,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:01:19,979 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 1522 mSDsluCounter, 5351 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 7436 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:19,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 7436 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:01:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2022-11-26 00:01:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 11564. [2022-11-26 00:01:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11564 states, 6528 states have (on average 1.2077205882352942) internal successors, (7884), 6957 states have internal predecessors, (7884), 3933 states have call successors, (3933), 1104 states have call predecessors, (3933), 1094 states have return successors, (4279), 3800 states have call predecessors, (4279), 3927 states have call successors, (4279) [2022-11-26 00:01:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11564 states to 11564 states and 16096 transitions. [2022-11-26 00:01:21,873 INFO L78 Accepts]: Start accepts. Automaton has 11564 states and 16096 transitions. Word has length 167 [2022-11-26 00:01:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:21,873 INFO L495 AbstractCegarLoop]: Abstraction has 11564 states and 16096 transitions. [2022-11-26 00:01:21,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:01:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 11564 states and 16096 transitions. [2022-11-26 00:01:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-26 00:01:21,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:21,876 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:21,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:01:21,877 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:21,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2061963525, now seen corresponding path program 1 times [2022-11-26 00:01:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:21,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215631303] [2022-11-26 00:01:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-26 00:01:22,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:22,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215631303] [2022-11-26 00:01:22,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215631303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:22,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:22,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:01:22,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450535237] [2022-11-26 00:01:22,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:22,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:22,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:22,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:22,364 INFO L87 Difference]: Start difference. First operand 11564 states and 16096 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-26 00:01:27,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:27,725 INFO L93 Difference]: Finished difference Result 22496 states and 31831 transitions. [2022-11-26 00:01:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:01:27,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) Word has length 175 [2022-11-26 00:01:27,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:27,765 INFO L225 Difference]: With dead ends: 22496 [2022-11-26 00:01:27,765 INFO L226 Difference]: Without dead ends: 11729 [2022-11-26 00:01:27,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:01:27,805 INFO L413 NwaCegarLoop]: 1389 mSDtfsCounter, 26 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 6927 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:27,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 6927 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:01:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11729 states. [2022-11-26 00:01:29,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11729 to 11609. [2022-11-26 00:01:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11609 states, 6564 states have (on average 1.206581352833638) internal successors, (7920), 6993 states have internal predecessors, (7920), 3933 states have call successors, (3933), 1104 states have call predecessors, (3933), 1103 states have return successors, (4306), 3809 states have call predecessors, (4306), 3927 states have call successors, (4306) [2022-11-26 00:01:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11609 states to 11609 states and 16159 transitions. [2022-11-26 00:01:30,000 INFO L78 Accepts]: Start accepts. Automaton has 11609 states and 16159 transitions. Word has length 175 [2022-11-26 00:01:30,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:30,001 INFO L495 AbstractCegarLoop]: Abstraction has 11609 states and 16159 transitions. [2022-11-26 00:01:30,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-26 00:01:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 11609 states and 16159 transitions. [2022-11-26 00:01:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-26 00:01:30,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:30,004 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:30,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:01:30,005 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:30,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1982142616, now seen corresponding path program 1 times [2022-11-26 00:01:30,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:30,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041523274] [2022-11-26 00:01:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:30,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-26 00:01:30,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:30,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041523274] [2022-11-26 00:01:30,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041523274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:30,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:30,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892126828] [2022-11-26 00:01:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:30,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:01:30,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:30,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:01:30,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:30,395 INFO L87 Difference]: Start difference. First operand 11609 states and 16159 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-26 00:01:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:35,529 INFO L93 Difference]: Finished difference Result 22999 states and 32676 transitions. [2022-11-26 00:01:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:35,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2022-11-26 00:01:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:35,573 INFO L225 Difference]: With dead ends: 22999 [2022-11-26 00:01:35,573 INFO L226 Difference]: Without dead ends: 11918 [2022-11-26 00:01:35,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:35,620 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 23 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 5613 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:35,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 5613 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:01:35,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11918 states. [2022-11-26 00:01:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11918 to 11627. [2022-11-26 00:01:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11627 states, 6582 states have (on average 1.2060164083865086) internal successors, (7938), 7002 states have internal predecessors, (7938), 3933 states have call successors, (3933), 1104 states have call predecessors, (3933), 1103 states have return successors, (4306), 3818 states have call predecessors, (4306), 3927 states have call successors, (4306) [2022-11-26 00:01:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11627 states to 11627 states and 16177 transitions. [2022-11-26 00:01:37,361 INFO L78 Accepts]: Start accepts. Automaton has 11627 states and 16177 transitions. Word has length 199 [2022-11-26 00:01:37,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:37,361 INFO L495 AbstractCegarLoop]: Abstraction has 11627 states and 16177 transitions. [2022-11-26 00:01:37,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-26 00:01:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 11627 states and 16177 transitions. [2022-11-26 00:01:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-26 00:01:37,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:37,365 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:37,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:01:37,366 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:37,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:37,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1864271656, now seen corresponding path program 1 times [2022-11-26 00:01:37,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:37,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943109223] [2022-11-26 00:01:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-11-26 00:01:37,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:37,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943109223] [2022-11-26 00:01:37,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943109223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:37,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:37,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:37,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697743152] [2022-11-26 00:01:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:37,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:01:37,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:37,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:01:37,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:37,787 INFO L87 Difference]: Start difference. First operand 11627 states and 16177 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-26 00:01:42,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:42,452 INFO L93 Difference]: Finished difference Result 23044 states and 32721 transitions. [2022-11-26 00:01:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:01:42,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2022-11-26 00:01:42,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:42,499 INFO L225 Difference]: With dead ends: 23044 [2022-11-26 00:01:42,500 INFO L226 Difference]: Without dead ends: 11945 [2022-11-26 00:01:42,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:42,576 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 23 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 5613 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:42,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 5613 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:01:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11945 states. [2022-11-26 00:01:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11945 to 11645. [2022-11-26 00:01:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11645 states, 6600 states have (on average 1.2054545454545456) internal successors, (7956), 7011 states have internal predecessors, (7956), 3933 states have call successors, (3933), 1104 states have call predecessors, (3933), 1103 states have return successors, (4306), 3827 states have call predecessors, (4306), 3927 states have call successors, (4306) [2022-11-26 00:01:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11645 states to 11645 states and 16195 transitions. [2022-11-26 00:01:44,866 INFO L78 Accepts]: Start accepts. Automaton has 11645 states and 16195 transitions. Word has length 197 [2022-11-26 00:01:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:44,866 INFO L495 AbstractCegarLoop]: Abstraction has 11645 states and 16195 transitions. [2022-11-26 00:01:44,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-26 00:01:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 11645 states and 16195 transitions. [2022-11-26 00:01:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-26 00:01:44,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:44,871 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:44,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 00:01:44,872 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1375705367, now seen corresponding path program 1 times [2022-11-26 00:01:44,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:44,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061120169] [2022-11-26 00:01:44,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-26 00:01:45,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:45,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061120169] [2022-11-26 00:01:45,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061120169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:45,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:45,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:01:45,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032143351] [2022-11-26 00:01:45,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:45,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:01:45,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:45,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:01:45,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:45,397 INFO L87 Difference]: Start difference. First operand 11645 states and 16195 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-26 00:01:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:49,827 INFO L93 Difference]: Finished difference Result 18599 states and 26063 transitions. [2022-11-26 00:01:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:01:49,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2022-11-26 00:01:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:49,856 INFO L225 Difference]: With dead ends: 18599 [2022-11-26 00:01:49,856 INFO L226 Difference]: Without dead ends: 11725 [2022-11-26 00:01:49,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:01:49,877 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 3 mSDsluCounter, 4126 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5507 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:49,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5507 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:01:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11725 states. [2022-11-26 00:01:51,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11725 to 11693. [2022-11-26 00:01:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11693 states, 6636 states have (on average 1.2043399638336347) internal successors, (7992), 7047 states have internal predecessors, (7992), 3933 states have call successors, (3933), 1104 states have call predecessors, (3933), 1115 states have return successors, (4388), 3839 states have call predecessors, (4388), 3927 states have call successors, (4388) [2022-11-26 00:01:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11693 states to 11693 states and 16313 transitions. [2022-11-26 00:01:51,571 INFO L78 Accepts]: Start accepts. Automaton has 11693 states and 16313 transitions. Word has length 223 [2022-11-26 00:01:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:51,572 INFO L495 AbstractCegarLoop]: Abstraction has 11693 states and 16313 transitions. [2022-11-26 00:01:51,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-26 00:01:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11693 states and 16313 transitions. [2022-11-26 00:01:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-26 00:01:51,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:51,575 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:51,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 00:01:51,575 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash -992374674, now seen corresponding path program 1 times [2022-11-26 00:01:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:51,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083732100] [2022-11-26 00:01:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-26 00:01:53,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:53,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083732100] [2022-11-26 00:01:53,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083732100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:53,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:53,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:01:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600317016] [2022-11-26 00:01:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:53,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:01:53,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:53,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:01:53,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:01:53,304 INFO L87 Difference]: Start difference. First operand 11693 states and 16313 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-26 00:01:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:57,723 INFO L93 Difference]: Finished difference Result 19254 states and 27025 transitions. [2022-11-26 00:01:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:01:57,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) Word has length 225 [2022-11-26 00:01:57,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:57,768 INFO L225 Difference]: With dead ends: 19254 [2022-11-26 00:01:57,768 INFO L226 Difference]: Without dead ends: 12332 [2022-11-26 00:01:57,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:01:57,787 INFO L413 NwaCegarLoop]: 1391 mSDtfsCounter, 143 mSDsluCounter, 4004 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:57,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 5395 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:01:57,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12332 states. [2022-11-26 00:01:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12332 to 12083. [2022-11-26 00:01:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12083 states, 6929 states have (on average 1.2073892336556502) internal successors, (8366), 7320 states have internal predecessors, (8366), 4014 states have call successors, (4014), 1113 states have call predecessors, (4014), 1131 states have return successors, (4454), 3947 states have call predecessors, (4454), 4008 states have call successors, (4454) [2022-11-26 00:01:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12083 states to 12083 states and 16834 transitions. [2022-11-26 00:01:59,506 INFO L78 Accepts]: Start accepts. Automaton has 12083 states and 16834 transitions. Word has length 225 [2022-11-26 00:01:59,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:59,506 INFO L495 AbstractCegarLoop]: Abstraction has 12083 states and 16834 transitions. [2022-11-26 00:01:59,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-26 00:01:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 12083 states and 16834 transitions. [2022-11-26 00:01:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-26 00:01:59,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:59,509 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:59,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:01:59,509 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:01:59,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1136467982, now seen corresponding path program 1 times [2022-11-26 00:01:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:59,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803083607] [2022-11-26 00:01:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:59,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-11-26 00:02:01,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:01,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803083607] [2022-11-26 00:02:01,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803083607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:01,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:01,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:02:01,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189730483] [2022-11-26 00:02:01,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:01,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:02:01,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:02:01,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:02:01,141 INFO L87 Difference]: Start difference. First operand 12083 states and 16834 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-26 00:02:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:05,396 INFO L93 Difference]: Finished difference Result 20315 states and 28299 transitions. [2022-11-26 00:02:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:02:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 201 [2022-11-26 00:02:05,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:05,455 INFO L225 Difference]: With dead ends: 20315 [2022-11-26 00:02:05,455 INFO L226 Difference]: Without dead ends: 13091 [2022-11-26 00:02:05,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:02:05,483 INFO L413 NwaCegarLoop]: 1373 mSDtfsCounter, 211 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:05,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 4044 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:02:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13091 states. [2022-11-26 00:02:07,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13091 to 12687. [2022-11-26 00:02:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12687 states, 7383 states have (on average 1.2117025599349858) internal successors, (8946), 7742 states have internal predecessors, (8946), 4140 states have call successors, (4140), 1127 states have call predecessors, (4140), 1155 states have return successors, (4610), 4115 states have call predecessors, (4610), 4134 states have call successors, (4610) [2022-11-26 00:02:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12687 states to 12687 states and 17696 transitions. [2022-11-26 00:02:07,566 INFO L78 Accepts]: Start accepts. Automaton has 12687 states and 17696 transitions. Word has length 201 [2022-11-26 00:02:07,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:07,566 INFO L495 AbstractCegarLoop]: Abstraction has 12687 states and 17696 transitions. [2022-11-26 00:02:07,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-26 00:02:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 12687 states and 17696 transitions. [2022-11-26 00:02:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-26 00:02:07,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:07,569 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:07,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-26 00:02:07,569 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:02:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:07,569 INFO L85 PathProgramCache]: Analyzing trace with hash 241280737, now seen corresponding path program 1 times [2022-11-26 00:02:07,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:07,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864378265] [2022-11-26 00:02:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:07,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-26 00:02:08,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:08,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864378265] [2022-11-26 00:02:08,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864378265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:08,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:08,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254001395] [2022-11-26 00:02:08,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:08,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:08,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:08,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:08,586 INFO L87 Difference]: Start difference. First operand 12687 states and 17696 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-26 00:02:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:13,442 INFO L93 Difference]: Finished difference Result 13206 states and 18303 transitions. [2022-11-26 00:02:13,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:13,442 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 179 [2022-11-26 00:02:13,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:13,488 INFO L225 Difference]: With dead ends: 13206 [2022-11-26 00:02:13,488 INFO L226 Difference]: Without dead ends: 13014 [2022-11-26 00:02:13,495 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 00:02:13,496 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 139 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:13,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 5449 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:02:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13014 states. [2022-11-26 00:02:15,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13014 to 13002. [2022-11-26 00:02:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13002 states, 7617 states have (on average 1.2090061704082973) internal successors, (9209), 7961 states have internal predecessors, (9209), 4145 states have call successors, (4145), 1203 states have call predecessors, (4145), 1231 states have return successors, (4610), 4123 states have call predecessors, (4610), 4133 states have call successors, (4610) [2022-11-26 00:02:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13002 states to 13002 states and 17964 transitions. [2022-11-26 00:02:15,717 INFO L78 Accepts]: Start accepts. Automaton has 13002 states and 17964 transitions. Word has length 179 [2022-11-26 00:02:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:15,718 INFO L495 AbstractCegarLoop]: Abstraction has 13002 states and 17964 transitions. [2022-11-26 00:02:15,718 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, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-26 00:02:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 13002 states and 17964 transitions. [2022-11-26 00:02:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-26 00:02:15,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:15,721 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:15,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 00:02:15,722 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:02:15,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash -659376633, now seen corresponding path program 1 times [2022-11-26 00:02:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:15,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517485249] [2022-11-26 00:02:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-11-26 00:02:16,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:16,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517485249] [2022-11-26 00:02:16,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517485249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:16,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:16,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:02:16,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377171892] [2022-11-26 00:02:16,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:16,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:02:16,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:02:16,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:02:16,676 INFO L87 Difference]: Start difference. First operand 13002 states and 17964 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-26 00:02:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:23,138 INFO L93 Difference]: Finished difference Result 14472 states and 20170 transitions. [2022-11-26 00:02:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:02:23,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 212 [2022-11-26 00:02:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:23,178 INFO L225 Difference]: With dead ends: 14472 [2022-11-26 00:02:23,178 INFO L226 Difference]: Without dead ends: 14470 [2022-11-26 00:02:23,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:02:23,185 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 471 mSDsluCounter, 6749 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 8281 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 8281 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-26 00:02:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14470 states. [2022-11-26 00:02:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14470 to 13408. [2022-11-26 00:02:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13408 states, 7921 states have (on average 1.2100744855447545) internal successors, (9585), 8236 states have internal predecessors, (9585), 4177 states have call successors, (4177), 1256 states have call predecessors, (4177), 1301 states have return successors, (4638), 4201 states have call predecessors, (4638), 4165 states have call successors, (4638) [2022-11-26 00:02:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13408 states to 13408 states and 18400 transitions. [2022-11-26 00:02:25,033 INFO L78 Accepts]: Start accepts. Automaton has 13408 states and 18400 transitions. Word has length 212 [2022-11-26 00:02:25,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:25,033 INFO L495 AbstractCegarLoop]: Abstraction has 13408 states and 18400 transitions. [2022-11-26 00:02:25,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-26 00:02:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13408 states and 18400 transitions. [2022-11-26 00:02:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-26 00:02:25,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:25,036 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:25,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-26 00:02:25,036 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-26 00:02:25,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:25,037 INFO L85 PathProgramCache]: Analyzing trace with hash 454685386, now seen corresponding path program 1 times [2022-11-26 00:02:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:25,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274122916] [2022-11-26 00:02:25,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:25,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-11-26 00:02:26,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:26,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274122916] [2022-11-26 00:02:26,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274122916] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:02:26,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675797971] [2022-11-26 00:02:26,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:26,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:26,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:26,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:26,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d906e-9042-4157-bb01-2764719a70ca/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:02:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:27,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 3526 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-26 00:02:27,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 230 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-11-26 00:02:27,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:02:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-26 00:02:28,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675797971] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:02:28,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1541915099] [2022-11-26 00:02:28,398 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-26 00:02:28,399 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:02:28,403 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:02:28,408 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:02:28,409 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs