./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 2329fc70 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_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/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_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 07:16:37,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:16:37,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:16:37,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:16:37,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:16:37,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:16:37,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:16:37,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:16:37,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:16:37,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:16:37,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:16:37,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:16:37,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:16:37,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:16:37,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:16:37,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:16:37,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:16:37,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:16:37,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:16:37,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:16:37,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:16:37,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:16:37,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:16:37,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:16:37,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:16:37,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:16:37,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:16:37,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:16:37,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:16:37,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:16:37,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:16:37,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:16:37,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:16:37,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:16:37,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:16:37,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:16:37,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:16:37,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:16:37,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:16:37,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:16:37,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:16:37,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:16:37,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:16:37,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:16:37,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:16:37,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:16:37,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:16:37,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:16:37,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:16:37,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:16:37,336 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:16:37,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:16:37,336 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:16:37,336 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:16:37,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:16:37,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:16:37,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:37,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:16:37,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:16:37,338 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_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2022-12-14 07:16:37,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:16:37,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:16:37,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:16:37,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:16:37,548 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:16:37,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-12-14 07:16:40,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:16:40,437 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:16:40,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-12-14 07:16:40,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/data/e6b06e8f1/a7fb518aab734194b7fbfcfd6e403480/FLAG447b54306 [2022-12-14 07:16:40,609 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/data/e6b06e8f1/a7fb518aab734194b7fbfcfd6e403480 [2022-12-14 07:16:40,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:16:40,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:16:40,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:40,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:16:40,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:16:40,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:40" (1/1) ... [2022-12-14 07:16:40,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2eeceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:40, skipping insertion in model container [2022-12-14 07:16:40,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:40" (1/1) ... [2022-12-14 07:16:40,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:16:40,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:16:41,425 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:16:41,633 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 07:16:41,634 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,635 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:41,657 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:41,660 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:41,663 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:41,704 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,706 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 07:16:41,711 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 07:16:41,711 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,712 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 07:16:41,716 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 07:16:41,726 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,728 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 07:16:41,731 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 07:16:41,731 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 07:16:41,731 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 07:16:41,732 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,733 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 07:16:41,733 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:41,738 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 07:16:41,738 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:41,757 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:41,765 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:41,767 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:41,768 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:41,780 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 07:16:41,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:41,804 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:16:41,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:41,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,820 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,827 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,832 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,845 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,845 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:16:41,846 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,852 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,854 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,861 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:41,862 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,863 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-12-14 07:16:41,867 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,867 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,868 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:41,868 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:41,873 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:41,881 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:41,886 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:16:41,886 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:16:41,887 WARN L623 FunctionHandler]: Unknown extern function led_classdev_register [2022-12-14 07:16:41,888 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,892 WARN L623 FunctionHandler]: Unknown extern function led_classdev_unregister [2022-12-14 07:16:41,892 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:16:41,896 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:41,901 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-12-14 07:16:41,909 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:41,909 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:41,910 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:41,915 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:41,916 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,917 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:41,921 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:41,941 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:41,945 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-12-14 07:16:41,950 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:41,955 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-12-14 07:16:41,960 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:41,965 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:41,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:41,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:41,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:41,978 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,985 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,985 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,986 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:41,992 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:41,992 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:41,992 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:41,997 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,997 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:41,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:42,000 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,004 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 07:16:42,004 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 07:16:42,005 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,007 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,008 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,012 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,012 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,013 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:42,016 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:42,016 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:42,021 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 07:16:42,021 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,022 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 07:16:42,022 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,027 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,029 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,030 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:42,035 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:42,040 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,042 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,051 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,052 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:42,053 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-14 07:16:42,053 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:42,061 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:16:42,062 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-14 07:16:42,062 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:42,063 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 07:16:42,064 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:42,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:42,235 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:16:42,239 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 07:16:42,243 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 07:16:42,243 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:16:42,244 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:16:42,245 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:16:42,590 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:16:42,757 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:16:43,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2022-12-14 07:16:43,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2022-12-14 07:16:43,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2022-12-14 07:16:43,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2022-12-14 07:16:43,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2022-12-14 07:16:43,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2022-12-14 07:16:43,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2022-12-14 07:16:43,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2022-12-14 07:16:43,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2022-12-14 07:16:43,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2022-12-14 07:16:43,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2022-12-14 07:16:43,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2022-12-14 07:16:43,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2022-12-14 07:16:43,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2022-12-14 07:16:43,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2022-12-14 07:16:43,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2022-12-14 07:16:43,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2022-12-14 07:16:43,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2022-12-14 07:16:43,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2022-12-14 07:16:43,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2022-12-14 07:16:43,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2022-12-14 07:16:43,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2022-12-14 07:16:43,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2022-12-14 07:16:43,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2022-12-14 07:16:43,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2022-12-14 07:16:43,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2022-12-14 07:16:43,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2022-12-14 07:16:43,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2022-12-14 07:16:43,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2022-12-14 07:16:43,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2022-12-14 07:16:43,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2022-12-14 07:16:43,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2022-12-14 07:16:43,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2022-12-14 07:16:43,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2022-12-14 07:16:43,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2022-12-14 07:16:43,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2022-12-14 07:16:43,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2022-12-14 07:16:43,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2022-12-14 07:16:43,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2022-12-14 07:16:43,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2022-12-14 07:16:43,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2022-12-14 07:16:43,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2022-12-14 07:16:43,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2022-12-14 07:16:43,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2022-12-14 07:16:43,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2022-12-14 07:16:43,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2022-12-14 07:16:43,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2022-12-14 07:16:43,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2022-12-14 07:16:43,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2022-12-14 07:16:43,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2022-12-14 07:16:43,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2022-12-14 07:16:43,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2022-12-14 07:16:43,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2022-12-14 07:16:43,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2022-12-14 07:16:43,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2022-12-14 07:16:43,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2022-12-14 07:16:43,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2022-12-14 07:16:43,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2022-12-14 07:16:43,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2022-12-14 07:16:43,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2022-12-14 07:16:43,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2022-12-14 07:16:43,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2022-12-14 07:16:43,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2022-12-14 07:16:43,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2022-12-14 07:16:43,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2022-12-14 07:16:43,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2022-12-14 07:16:43,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2022-12-14 07:16:43,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2022-12-14 07:16:43,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2022-12-14 07:16:43,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2022-12-14 07:16:43,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2022-12-14 07:16:43,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2022-12-14 07:16:43,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2022-12-14 07:16:43,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2022-12-14 07:16:43,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2022-12-14 07:16:43,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2022-12-14 07:16:43,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2022-12-14 07:16:43,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2022-12-14 07:16:43,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2022-12-14 07:16:43,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2022-12-14 07:16:43,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2022-12-14 07:16:43,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2022-12-14 07:16:43,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2022-12-14 07:16:43,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2022-12-14 07:16:43,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2022-12-14 07:16:43,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2022-12-14 07:16:43,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2022-12-14 07:16:43,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2022-12-14 07:16:43,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:43,192 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:16:43,244 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:16:43,254 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 07:16:43,254 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,254 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:43,255 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:43,255 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:43,255 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 07:16:43,258 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,258 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 07:16:43,270 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 07:16:43,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,270 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 07:16:43,271 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 07:16:43,272 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,273 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 07:16:43,274 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 07:16:43,274 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 07:16:43,275 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 07:16:43,275 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,275 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 07:16:43,275 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,275 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 07:16:43,276 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,277 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:43,278 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:43,278 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:43,278 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:43,280 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 07:16:43,281 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,284 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:16:43,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,286 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,286 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,287 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,288 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,288 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,289 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,290 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:16:43,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,291 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,292 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,292 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,293 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:43,293 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,294 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-12-14 07:16:43,294 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,294 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,295 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:43,295 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:43,295 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:43,296 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:16:43,297 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:16:43,297 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:16:43,300 WARN L623 FunctionHandler]: Unknown extern function led_classdev_register [2022-12-14 07:16:43,300 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,301 WARN L623 FunctionHandler]: Unknown extern function led_classdev_unregister [2022-12-14 07:16:43,301 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:16:43,301 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:43,302 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-12-14 07:16:43,304 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:43,305 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:43,305 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:43,306 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:43,307 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,307 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 07:16:43,308 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:43,311 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:43,312 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-12-14 07:16:43,313 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:43,313 WARN L623 FunctionHandler]: Unknown extern function kstrtou8 [2022-12-14 07:16:43,315 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 07:16:43,316 WARN L623 FunctionHandler]: Unknown extern function kstrtoint [2022-12-14 07:16:43,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,324 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,324 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,325 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,325 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:43,326 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,326 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:43,326 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,327 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,328 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,329 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 07:16:43,329 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 07:16:43,329 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,330 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,330 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,330 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,331 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:43,332 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:43,332 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 07:16:43,332 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 07:16:43,332 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,333 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 07:16:43,333 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,333 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,334 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,335 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,336 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:16:43,338 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,338 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,340 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,340 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:16:43,340 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-14 07:16:43,341 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 07:16:43,341 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:16:43,342 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-14 07:16:43,342 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:16:43,343 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 07:16:43,343 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,344 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:16:43,357 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:16:43,358 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 07:16:43,360 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 07:16:43,361 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:16:43,361 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:16:43,362 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:16:43,373 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:16:43,379 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:16:43,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2022-12-14 07:16:43,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2022-12-14 07:16:43,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2022-12-14 07:16:43,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2022-12-14 07:16:43,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2022-12-14 07:16:43,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2022-12-14 07:16:43,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2022-12-14 07:16:43,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2022-12-14 07:16:43,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2022-12-14 07:16:43,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2022-12-14 07:16:43,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2022-12-14 07:16:43,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2022-12-14 07:16:43,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2022-12-14 07:16:43,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2022-12-14 07:16:43,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2022-12-14 07:16:43,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2022-12-14 07:16:43,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2022-12-14 07:16:43,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2022-12-14 07:16:43,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2022-12-14 07:16:43,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2022-12-14 07:16:43,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2022-12-14 07:16:43,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2022-12-14 07:16:43,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2022-12-14 07:16:43,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2022-12-14 07:16:43,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2022-12-14 07:16:43,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2022-12-14 07:16:43,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2022-12-14 07:16:43,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2022-12-14 07:16:43,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2022-12-14 07:16:43,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2022-12-14 07:16:43,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2022-12-14 07:16:43,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2022-12-14 07:16:43,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2022-12-14 07:16:43,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2022-12-14 07:16:43,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2022-12-14 07:16:43,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2022-12-14 07:16:43,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2022-12-14 07:16:43,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2022-12-14 07:16:43,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2022-12-14 07:16:43,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2022-12-14 07:16:43,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2022-12-14 07:16:43,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2022-12-14 07:16:43,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2022-12-14 07:16:43,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2022-12-14 07:16:43,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2022-12-14 07:16:43,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2022-12-14 07:16:43,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2022-12-14 07:16:43,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2022-12-14 07:16:43,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2022-12-14 07:16:43,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2022-12-14 07:16:43,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2022-12-14 07:16:43,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2022-12-14 07:16:43,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2022-12-14 07:16:43,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2022-12-14 07:16:43,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2022-12-14 07:16:43,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2022-12-14 07:16:43,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2022-12-14 07:16:43,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2022-12-14 07:16:43,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2022-12-14 07:16:43,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2022-12-14 07:16:43,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2022-12-14 07:16:43,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2022-12-14 07:16:43,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2022-12-14 07:16:43,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2022-12-14 07:16:43,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2022-12-14 07:16:43,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2022-12-14 07:16:43,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2022-12-14 07:16:43,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2022-12-14 07:16:43,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2022-12-14 07:16:43,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2022-12-14 07:16:43,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2022-12-14 07:16:43,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2022-12-14 07:16:43,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2022-12-14 07:16:43,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2022-12-14 07:16:43,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2022-12-14 07:16:43,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2022-12-14 07:16:43,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2022-12-14 07:16:43,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2022-12-14 07:16:43,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2022-12-14 07:16:43,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2022-12-14 07:16:43,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2022-12-14 07:16:43,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2022-12-14 07:16:43,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2022-12-14 07:16:43,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2022-12-14 07:16:43,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2022-12-14 07:16:43,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2022-12-14 07:16:43,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2022-12-14 07:16:43,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2022-12-14 07:16:43,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:43,551 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:16:43,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43 WrapperNode [2022-12-14 07:16:43,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:43,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:43,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:16:43,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:16:43,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,729 INFO L138 Inliner]: procedures = 609, calls = 2411, calls flagged for inlining = 291, calls inlined = 202, statements flattened = 4711 [2022-12-14 07:16:43,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:43,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:16:43,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:16:43,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:16:43,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:16:43,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:16:43,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:16:43,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:16:43,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (1/1) ... [2022-12-14 07:16:43,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:43,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:16:43,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:16:43,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:16:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-12-14 07:16:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2022-12-14 07:16:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:16:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2022-12-14 07:16:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2022-12-14 07:16:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-12-14 07:16:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-12-14 07:16:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 07:16:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-12-14 07:16:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-12-14 07:16:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-14 07:16:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2022-12-14 07:16:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:16:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:16:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:16:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2022-12-14 07:16:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2022-12-14 07:16:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-12-14 07:16:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-12-14 07:16:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2022-12-14 07:16:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2022-12-14 07:16:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:16:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:16:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 07:16:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 07:16:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:16:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2022-12-14 07:16:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2022-12-14 07:16:44,507 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:16:44,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:16:44,590 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:16:47,124 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:16:47,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:16:47,604 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 07:16:47,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:47 BoogieIcfgContainer [2022-12-14 07:16:47,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:16:47,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:16:47,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:16:47,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:16:47,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:16:40" (1/3) ... [2022-12-14 07:16:47,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273ffd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:47, skipping insertion in model container [2022-12-14 07:16:47,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:43" (2/3) ... [2022-12-14 07:16:47,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273ffd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:47, skipping insertion in model container [2022-12-14 07:16:47,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:47" (3/3) ... [2022-12-14 07:16:47,613 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2022-12-14 07:16:47,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:16:47,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-12-14 07:16:47,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:16:47,711 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;@12985f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:16:47,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-12-14 07:16:47,717 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) [2022-12-14 07:16:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 07:16:47,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:47,725 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] [2022-12-14 07:16:47,725 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)] === [2022-12-14 07:16:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2028243224, now seen corresponding path program 1 times [2022-12-14 07:16:47,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:47,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040573076] [2022-12-14 07:16:47,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:48,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:48,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040573076] [2022-12-14 07:16:48,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040573076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:48,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:48,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:48,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167024618] [2022-12-14 07:16:48,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:48,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:48,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:48,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:48,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:48,397 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) [2022-12-14 07:16:49,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:49,982 INFO L93 Difference]: Finished difference Result 2375 states and 3393 transitions. [2022-12-14 07:16:49,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:49,984 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 [2022-12-14 07:16:49,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:49,996 INFO L225 Difference]: With dead ends: 2375 [2022-12-14 07:16:49,996 INFO L226 Difference]: Without dead ends: 1193 [2022-12-14 07:16:50,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:16:50,005 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 1600 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:50,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 2866 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 07:16:50,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-12-14 07:16:50,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2022-12-14 07:16:50,085 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) [2022-12-14 07:16:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1609 transitions. [2022-12-14 07:16:50,093 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1609 transitions. Word has length 51 [2022-12-14 07:16:50,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:50,094 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1609 transitions. [2022-12-14 07:16:50,095 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) [2022-12-14 07:16:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1609 transitions. [2022-12-14 07:16:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 07:16:50,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:50,096 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] [2022-12-14 07:16:50,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:16:50,097 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)] === [2022-12-14 07:16:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1617437396, now seen corresponding path program 1 times [2022-12-14 07:16:50,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:50,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927480450] [2022-12-14 07:16:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:50,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:50,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:50,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927480450] [2022-12-14 07:16:50,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927480450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:50,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:50,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:50,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979090338] [2022-12-14 07:16:50,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:50,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:50,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:50,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:50,394 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) [2022-12-14 07:16:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:51,692 INFO L93 Difference]: Finished difference Result 1193 states and 1609 transitions. [2022-12-14 07:16:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:51,692 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 [2022-12-14 07:16:51,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:51,697 INFO L225 Difference]: With dead ends: 1193 [2022-12-14 07:16:51,697 INFO L226 Difference]: Without dead ends: 1191 [2022-12-14 07:16:51,697 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 [2022-12-14 07:16:51,698 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 1584 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:51,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 2838 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 07:16:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-12-14 07:16:51,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1191. [2022-12-14 07:16:51,737 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) [2022-12-14 07:16:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1607 transitions. [2022-12-14 07:16:51,743 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1607 transitions. Word has length 56 [2022-12-14 07:16:51,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:51,743 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1607 transitions. [2022-12-14 07:16:51,743 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) [2022-12-14 07:16:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1607 transitions. [2022-12-14 07:16:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 07:16:51,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:51,744 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] [2022-12-14 07:16:51,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:16:51,745 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)] === [2022-12-14 07:16:51,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1270380203, now seen corresponding path program 1 times [2022-12-14 07:16:51,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:51,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990656880] [2022-12-14 07:16:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:52,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:52,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990656880] [2022-12-14 07:16:52,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990656880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:52,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:52,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:52,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853074437] [2022-12-14 07:16:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:52,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:52,016 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) [2022-12-14 07:16:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:53,328 INFO L93 Difference]: Finished difference Result 1191 states and 1607 transitions. [2022-12-14 07:16:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:53,328 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 [2022-12-14 07:16:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:53,332 INFO L225 Difference]: With dead ends: 1191 [2022-12-14 07:16:53,332 INFO L226 Difference]: Without dead ends: 1189 [2022-12-14 07:16:53,333 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 [2022-12-14 07:16:53,334 INFO L413 NwaCegarLoop]: 1417 mSDtfsCounter, 1581 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-12-14 07:16:53,334 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] [2022-12-14 07:16:53,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-12-14 07:16:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1189. [2022-12-14 07:16:53,375 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) [2022-12-14 07:16:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1605 transitions. [2022-12-14 07:16:53,380 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1605 transitions. Word has length 61 [2022-12-14 07:16:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:53,380 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1605 transitions. [2022-12-14 07:16:53,380 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) [2022-12-14 07:16:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1605 transitions. [2022-12-14 07:16:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 07:16:53,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:53,382 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] [2022-12-14 07:16:53,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:16:53,383 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)] === [2022-12-14 07:16:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:53,383 INFO L85 PathProgramCache]: Analyzing trace with hash 661625056, now seen corresponding path program 1 times [2022-12-14 07:16:53,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:53,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987170010] [2022-12-14 07:16:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:53,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:53,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:53,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987170010] [2022-12-14 07:16:53,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987170010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:53,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:53,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:53,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321487] [2022-12-14 07:16:53,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:53,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:53,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:53,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:53,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:53,700 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) [2022-12-14 07:16:55,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:55,199 INFO L93 Difference]: Finished difference Result 1189 states and 1605 transitions. [2022-12-14 07:16:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:55,199 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 [2022-12-14 07:16:55,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:55,203 INFO L225 Difference]: With dead ends: 1189 [2022-12-14 07:16:55,203 INFO L226 Difference]: Without dead ends: 1187 [2022-12-14 07:16:55,204 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 [2022-12-14 07:16:55,204 INFO L413 NwaCegarLoop]: 1415 mSDtfsCounter, 1578 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:55,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 2830 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 07:16:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-12-14 07:16:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2022-12-14 07:16:55,242 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) [2022-12-14 07:16:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1603 transitions. [2022-12-14 07:16:55,246 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1603 transitions. Word has length 66 [2022-12-14 07:16:55,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:55,246 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1603 transitions. [2022-12-14 07:16:55,246 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) [2022-12-14 07:16:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1603 transitions. [2022-12-14 07:16:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 07:16:55,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:55,248 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] [2022-12-14 07:16:55,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:16:55,248 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)] === [2022-12-14 07:16:55,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash 159020228, now seen corresponding path program 1 times [2022-12-14 07:16:55,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:55,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946024577] [2022-12-14 07:16:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:55,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:55,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:55,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946024577] [2022-12-14 07:16:55,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946024577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:55,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:55,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:55,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548675333] [2022-12-14 07:16:55,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:55,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:55,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:55,475 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) [2022-12-14 07:16:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:56,651 INFO L93 Difference]: Finished difference Result 1187 states and 1603 transitions. [2022-12-14 07:16:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:56,651 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 [2022-12-14 07:16:56,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:56,655 INFO L225 Difference]: With dead ends: 1187 [2022-12-14 07:16:56,655 INFO L226 Difference]: Without dead ends: 1185 [2022-12-14 07:16:56,656 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 [2022-12-14 07:16:56,656 INFO L413 NwaCegarLoop]: 1413 mSDtfsCounter, 1575 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:56,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 2826 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:16:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-12-14 07:16:56,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2022-12-14 07:16:56,697 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) [2022-12-14 07:16:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1601 transitions. [2022-12-14 07:16:56,700 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1601 transitions. Word has length 71 [2022-12-14 07:16:56,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:56,701 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1601 transitions. [2022-12-14 07:16:56,701 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) [2022-12-14 07:16:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1601 transitions. [2022-12-14 07:16:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 07:16:56,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:56,702 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] [2022-12-14 07:16:56,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:16:56,702 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)] === [2022-12-14 07:16:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1578211948, now seen corresponding path program 1 times [2022-12-14 07:16:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:56,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403838596] [2022-12-14 07:16:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:56,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:56,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403838596] [2022-12-14 07:16:56,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403838596] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:56,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:56,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:56,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054858455] [2022-12-14 07:16:56,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:56,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:56,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:56,926 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) [2022-12-14 07:16:57,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:57,987 INFO L93 Difference]: Finished difference Result 1185 states and 1601 transitions. [2022-12-14 07:16:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:57,987 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 [2022-12-14 07:16:57,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:57,991 INFO L225 Difference]: With dead ends: 1185 [2022-12-14 07:16:57,991 INFO L226 Difference]: Without dead ends: 1183 [2022-12-14 07:16:57,992 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 [2022-12-14 07:16:57,992 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 1572 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:57,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 2822 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 07:16:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-12-14 07:16:58,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-12-14 07:16:58,037 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) [2022-12-14 07:16:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1599 transitions. [2022-12-14 07:16:58,040 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1599 transitions. Word has length 76 [2022-12-14 07:16:58,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:58,041 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1599 transitions. [2022-12-14 07:16:58,041 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) [2022-12-14 07:16:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1599 transitions. [2022-12-14 07:16:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 07:16:58,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:58,042 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] [2022-12-14 07:16:58,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:16:58,042 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)] === [2022-12-14 07:16:58,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash -586346274, now seen corresponding path program 1 times [2022-12-14 07:16:58,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:58,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594197838] [2022-12-14 07:16:58,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:58,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:16:58,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:58,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594197838] [2022-12-14 07:16:58,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594197838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:58,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:58,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:16:58,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815845957] [2022-12-14 07:16:58,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:58,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:58,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:58,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:58,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:58,256 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) [2022-12-14 07:16:59,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:59,939 INFO L93 Difference]: Finished difference Result 2043 states and 2719 transitions. [2022-12-14 07:16:59,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:16:59,939 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 [2022-12-14 07:16:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:59,949 INFO L225 Difference]: With dead ends: 2043 [2022-12-14 07:16:59,949 INFO L226 Difference]: Without dead ends: 2041 [2022-12-14 07:16:59,950 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 [2022-12-14 07:16:59,950 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 1330 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:59,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 4606 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 07:16:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2022-12-14 07:17:00,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 1910. [2022-12-14 07:17:00,052 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) [2022-12-14 07:17:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2583 transitions. [2022-12-14 07:17:00,060 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2583 transitions. Word has length 81 [2022-12-14 07:17:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:00,060 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 2583 transitions. [2022-12-14 07:17:00,060 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) [2022-12-14 07:17:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2583 transitions. [2022-12-14 07:17:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 07:17:00,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:00,062 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] [2022-12-14 07:17:00,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:17:00,063 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)] === [2022-12-14 07:17:00,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1557515793, now seen corresponding path program 1 times [2022-12-14 07:17:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:00,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674451105] [2022-12-14 07:17:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:00,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:00,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674451105] [2022-12-14 07:17:00,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674451105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:00,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:00,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:00,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934243900] [2022-12-14 07:17:00,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:00,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:00,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:00,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:00,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:00,282 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) [2022-12-14 07:17:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:01,786 INFO L93 Difference]: Finished difference Result 1910 states and 2583 transitions. [2022-12-14 07:17:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:01,790 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 [2022-12-14 07:17:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:01,795 INFO L225 Difference]: With dead ends: 1910 [2022-12-14 07:17:01,795 INFO L226 Difference]: Without dead ends: 1908 [2022-12-14 07:17:01,796 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 [2022-12-14 07:17:01,797 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 1572 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:01,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 2814 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 07:17:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-12-14 07:17:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2022-12-14 07:17:01,885 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) [2022-12-14 07:17:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2581 transitions. [2022-12-14 07:17:01,891 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2581 transitions. Word has length 86 [2022-12-14 07:17:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:01,891 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2581 transitions. [2022-12-14 07:17:01,891 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) [2022-12-14 07:17:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2581 transitions. [2022-12-14 07:17:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 07:17:01,892 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:01,893 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] [2022-12-14 07:17:01,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:17:01,893 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)] === [2022-12-14 07:17:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:01,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2123920366, now seen corresponding path program 1 times [2022-12-14 07:17:01,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:01,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777841004] [2022-12-14 07:17:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:02,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:02,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777841004] [2022-12-14 07:17:02,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777841004] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:02,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:02,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:02,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135184142] [2022-12-14 07:17:02,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:02,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:02,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:02,116 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) [2022-12-14 07:17:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:03,254 INFO L93 Difference]: Finished difference Result 1908 states and 2581 transitions. [2022-12-14 07:17:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:03,258 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 [2022-12-14 07:17:03,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:03,266 INFO L225 Difference]: With dead ends: 1908 [2022-12-14 07:17:03,266 INFO L226 Difference]: Without dead ends: 1906 [2022-12-14 07:17:03,266 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 [2022-12-14 07:17:03,267 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 1564 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:03,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 2814 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 07:17:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-12-14 07:17:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1906. [2022-12-14 07:17:03,420 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) [2022-12-14 07:17:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2579 transitions. [2022-12-14 07:17:03,425 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2579 transitions. Word has length 88 [2022-12-14 07:17:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:03,425 INFO L495 AbstractCegarLoop]: Abstraction has 1906 states and 2579 transitions. [2022-12-14 07:17:03,425 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) [2022-12-14 07:17:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2579 transitions. [2022-12-14 07:17:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 07:17:03,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:03,427 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] [2022-12-14 07:17:03,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:17:03,427 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)] === [2022-12-14 07:17:03,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash -986238208, now seen corresponding path program 1 times [2022-12-14 07:17:03,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:03,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106752832] [2022-12-14 07:17:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:03,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:03,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106752832] [2022-12-14 07:17:03,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106752832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:03,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:03,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:03,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555844120] [2022-12-14 07:17:03,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:03,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:03,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:03,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:03,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:03,628 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) [2022-12-14 07:17:04,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:04,911 INFO L93 Difference]: Finished difference Result 1906 states and 2579 transitions. [2022-12-14 07:17:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:04,915 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 [2022-12-14 07:17:04,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:04,921 INFO L225 Difference]: With dead ends: 1906 [2022-12-14 07:17:04,921 INFO L226 Difference]: Without dead ends: 1904 [2022-12-14 07:17:04,921 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 [2022-12-14 07:17:04,922 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 1563 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:04,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 2810 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:17:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2022-12-14 07:17:05,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1904. [2022-12-14 07:17:05,016 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) [2022-12-14 07:17:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2577 transitions. [2022-12-14 07:17:05,021 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2577 transitions. Word has length 93 [2022-12-14 07:17:05,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:05,021 INFO L495 AbstractCegarLoop]: Abstraction has 1904 states and 2577 transitions. [2022-12-14 07:17:05,021 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) [2022-12-14 07:17:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2577 transitions. [2022-12-14 07:17:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 07:17:05,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:05,023 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] [2022-12-14 07:17:05,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:17:05,023 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)] === [2022-12-14 07:17:05,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:05,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2010732392, now seen corresponding path program 1 times [2022-12-14 07:17:05,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:05,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533952835] [2022-12-14 07:17:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:05,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 07:17:05,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:05,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533952835] [2022-12-14 07:17:05,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533952835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:05,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:05,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:17:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723141695] [2022-12-14 07:17:05,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:05,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:05,885 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) [2022-12-14 07:17:09,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:09,293 INFO L93 Difference]: Finished difference Result 1904 states and 2577 transitions. [2022-12-14 07:17:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:09,294 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 [2022-12-14 07:17:09,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:09,299 INFO L225 Difference]: With dead ends: 1904 [2022-12-14 07:17:09,299 INFO L226 Difference]: Without dead ends: 1902 [2022-12-14 07:17:09,300 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 [2022-12-14 07:17:09,300 INFO L413 NwaCegarLoop]: 1404 mSDtfsCounter, 1555 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:09,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 4853 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 07:17:09,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2022-12-14 07:17:09,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1902. [2022-12-14 07:17:09,408 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) [2022-12-14 07:17:09,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2574 transitions. [2022-12-14 07:17:09,415 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2574 transitions. Word has length 127 [2022-12-14 07:17:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:09,416 INFO L495 AbstractCegarLoop]: Abstraction has 1902 states and 2574 transitions. [2022-12-14 07:17:09,416 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) [2022-12-14 07:17:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2574 transitions. [2022-12-14 07:17:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 07:17:09,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:09,417 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] [2022-12-14 07:17:09,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:17:09,417 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)] === [2022-12-14 07:17:09,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -158053514, now seen corresponding path program 1 times [2022-12-14 07:17:09,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:09,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311698290] [2022-12-14 07:17:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:09,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:09,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:09,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311698290] [2022-12-14 07:17:09,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311698290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:09,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:09,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227873851] [2022-12-14 07:17:09,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:09,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:09,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:09,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:09,639 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) [2022-12-14 07:17:11,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:11,080 INFO L93 Difference]: Finished difference Result 1902 states and 2574 transitions. [2022-12-14 07:17:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:11,084 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 [2022-12-14 07:17:11,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:11,089 INFO L225 Difference]: With dead ends: 1902 [2022-12-14 07:17:11,090 INFO L226 Difference]: Without dead ends: 1900 [2022-12-14 07:17:11,090 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 [2022-12-14 07:17:11,091 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 1558 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:11,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 2802 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 07:17:11,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-12-14 07:17:11,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1900. [2022-12-14 07:17:11,195 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) [2022-12-14 07:17:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1900 states and 2572 transitions. [2022-12-14 07:17:11,202 INFO L78 Accepts]: Start accepts. Automaton has 1900 states and 2572 transitions. Word has length 98 [2022-12-14 07:17:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:11,202 INFO L495 AbstractCegarLoop]: Abstraction has 1900 states and 2572 transitions. [2022-12-14 07:17:11,203 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) [2022-12-14 07:17:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2572 transitions. [2022-12-14 07:17:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 07:17:11,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:11,204 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] [2022-12-14 07:17:11,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:17:11,204 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)] === [2022-12-14 07:17:11,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash 166331250, now seen corresponding path program 1 times [2022-12-14 07:17:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:11,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823637893] [2022-12-14 07:17:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-14 07:17:11,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:11,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823637893] [2022-12-14 07:17:11,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823637893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:11,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:11,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:11,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461649157] [2022-12-14 07:17:11,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:11,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:17:11,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:11,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:17:11,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:17:11,734 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) [2022-12-14 07:17:13,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:13,997 INFO L93 Difference]: Finished difference Result 2555 states and 3447 transitions. [2022-12-14 07:17:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:14,000 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 [2022-12-14 07:17:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:14,007 INFO L225 Difference]: With dead ends: 2555 [2022-12-14 07:17:14,008 INFO L226 Difference]: Without dead ends: 2553 [2022-12-14 07:17:14,008 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 [2022-12-14 07:17:14,009 INFO L413 NwaCegarLoop]: 1592 mSDtfsCounter, 1331 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:14,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 5427 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 07:17:14,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2022-12-14 07:17:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2522. [2022-12-14 07:17:14,160 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) [2022-12-14 07:17:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3425 transitions. [2022-12-14 07:17:14,166 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3425 transitions. Word has length 124 [2022-12-14 07:17:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:14,166 INFO L495 AbstractCegarLoop]: Abstraction has 2522 states and 3425 transitions. [2022-12-14 07:17:14,166 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) [2022-12-14 07:17:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3425 transitions. [2022-12-14 07:17:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 07:17:14,168 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:14,168 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] [2022-12-14 07:17:14,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:17:14,168 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)] === [2022-12-14 07:17:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 220450282, now seen corresponding path program 1 times [2022-12-14 07:17:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:14,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017055478] [2022-12-14 07:17:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 07:17:14,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:14,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017055478] [2022-12-14 07:17:14,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017055478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:14,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:14,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:17:14,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126801382] [2022-12-14 07:17:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:14,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:17:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:14,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:17:14,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:17:14,357 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) [2022-12-14 07:17:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:15,447 INFO L93 Difference]: Finished difference Result 5005 states and 6822 transitions. [2022-12-14 07:17:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:17:15,451 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 [2022-12-14 07:17:15,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:15,463 INFO L225 Difference]: With dead ends: 5005 [2022-12-14 07:17:15,463 INFO L226 Difference]: Without dead ends: 2516 [2022-12-14 07:17:15,471 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 [2022-12-14 07:17:15,471 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 1551 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:15,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 1397 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 07:17:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2022-12-14 07:17:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2022-12-14 07:17:15,674 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) [2022-12-14 07:17:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3416 transitions. [2022-12-14 07:17:15,679 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3416 transitions. Word has length 133 [2022-12-14 07:17:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:15,680 INFO L495 AbstractCegarLoop]: Abstraction has 2516 states and 3416 transitions. [2022-12-14 07:17:15,680 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) [2022-12-14 07:17:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3416 transitions. [2022-12-14 07:17:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 07:17:15,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:15,681 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] [2022-12-14 07:17:15,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:17:15,681 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)] === [2022-12-14 07:17:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1197185633, now seen corresponding path program 1 times [2022-12-14 07:17:15,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:15,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776463130] [2022-12-14 07:17:15,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:15,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:15,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:15,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776463130] [2022-12-14 07:17:15,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776463130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:15,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:15,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679057900] [2022-12-14 07:17:15,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:15,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:15,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:15,889 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) [2022-12-14 07:17:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:17,281 INFO L93 Difference]: Finished difference Result 2516 states and 3416 transitions. [2022-12-14 07:17:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:17,284 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 [2022-12-14 07:17:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:17,291 INFO L225 Difference]: With dead ends: 2516 [2022-12-14 07:17:17,291 INFO L226 Difference]: Without dead ends: 2514 [2022-12-14 07:17:17,292 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 [2022-12-14 07:17:17,292 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 1550 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:17,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 2788 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:17:17,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-12-14 07:17:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2022-12-14 07:17:17,462 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) [2022-12-14 07:17:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3413 transitions. [2022-12-14 07:17:17,468 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3413 transitions. Word has length 103 [2022-12-14 07:17:17,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:17,468 INFO L495 AbstractCegarLoop]: Abstraction has 2514 states and 3413 transitions. [2022-12-14 07:17:17,468 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) [2022-12-14 07:17:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3413 transitions. [2022-12-14 07:17:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 07:17:17,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:17,469 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] [2022-12-14 07:17:17,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 07:17:17,470 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)] === [2022-12-14 07:17:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:17,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1327247602, now seen corresponding path program 1 times [2022-12-14 07:17:17,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:17,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253039043] [2022-12-14 07:17:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:17,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:17,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:17,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253039043] [2022-12-14 07:17:17,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253039043] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:17,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:17,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:17,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312928962] [2022-12-14 07:17:17,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:17,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:17,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:17,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:17,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:17,673 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) [2022-12-14 07:17:18,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:18,902 INFO L93 Difference]: Finished difference Result 2514 states and 3413 transitions. [2022-12-14 07:17:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:18,907 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 [2022-12-14 07:17:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:18,914 INFO L225 Difference]: With dead ends: 2514 [2022-12-14 07:17:18,914 INFO L226 Difference]: Without dead ends: 2512 [2022-12-14 07:17:18,915 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 [2022-12-14 07:17:18,916 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 1547 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:18,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 2784 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 07:17:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2022-12-14 07:17:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2022-12-14 07:17:19,087 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) [2022-12-14 07:17:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3410 transitions. [2022-12-14 07:17:19,093 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3410 transitions. Word has length 108 [2022-12-14 07:17:19,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:19,093 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3410 transitions. [2022-12-14 07:17:19,094 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) [2022-12-14 07:17:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3410 transitions. [2022-12-14 07:17:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 07:17:19,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:19,095 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] [2022-12-14 07:17:19,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 07:17:19,095 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)] === [2022-12-14 07:17:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:19,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1260367221, now seen corresponding path program 1 times [2022-12-14 07:17:19,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:19,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903095983] [2022-12-14 07:17:19,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:19,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:19,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:19,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903095983] [2022-12-14 07:17:19,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903095983] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:19,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:19,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:19,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533948676] [2022-12-14 07:17:19,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:19,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:19,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:19,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:19,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:19,300 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) [2022-12-14 07:17:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:20,828 INFO L93 Difference]: Finished difference Result 2512 states and 3410 transitions. [2022-12-14 07:17:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:20,831 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 [2022-12-14 07:17:20,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:20,838 INFO L225 Difference]: With dead ends: 2512 [2022-12-14 07:17:20,838 INFO L226 Difference]: Without dead ends: 2510 [2022-12-14 07:17:20,839 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 [2022-12-14 07:17:20,839 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 1544 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:20,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 2780 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 07:17:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-12-14 07:17:21,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-12-14 07:17:21,051 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) [2022-12-14 07:17:21,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3407 transitions. [2022-12-14 07:17:21,060 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3407 transitions. Word has length 113 [2022-12-14 07:17:21,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:21,060 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 3407 transitions. [2022-12-14 07:17:21,060 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) [2022-12-14 07:17:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3407 transitions. [2022-12-14 07:17:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 07:17:21,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:21,062 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] [2022-12-14 07:17:21,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 07:17:21,063 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)] === [2022-12-14 07:17:21,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:21,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1529470027, now seen corresponding path program 1 times [2022-12-14 07:17:21,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:21,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697365157] [2022-12-14 07:17:21,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:21,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:21,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697365157] [2022-12-14 07:17:21,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697365157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:21,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:21,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:21,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938531696] [2022-12-14 07:17:21,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:21,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:21,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:21,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:21,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:21,295 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) [2022-12-14 07:17:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:22,748 INFO L93 Difference]: Finished difference Result 2510 states and 3407 transitions. [2022-12-14 07:17:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:22,753 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 [2022-12-14 07:17:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:22,760 INFO L225 Difference]: With dead ends: 2510 [2022-12-14 07:17:22,760 INFO L226 Difference]: Without dead ends: 2508 [2022-12-14 07:17:22,761 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 [2022-12-14 07:17:22,762 INFO L413 NwaCegarLoop]: 1388 mSDtfsCounter, 1541 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:22,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 2776 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 07:17:22,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2022-12-14 07:17:22,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2022-12-14 07:17:22,960 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) [2022-12-14 07:17:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3404 transitions. [2022-12-14 07:17:22,965 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3404 transitions. Word has length 118 [2022-12-14 07:17:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:22,966 INFO L495 AbstractCegarLoop]: Abstraction has 2508 states and 3404 transitions. [2022-12-14 07:17:22,966 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) [2022-12-14 07:17:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3404 transitions. [2022-12-14 07:17:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 07:17:22,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:22,967 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] [2022-12-14 07:17:22,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 07:17:22,967 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)] === [2022-12-14 07:17:22,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:22,967 INFO L85 PathProgramCache]: Analyzing trace with hash 528103528, now seen corresponding path program 1 times [2022-12-14 07:17:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:22,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598872422] [2022-12-14 07:17:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:23,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:23,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598872422] [2022-12-14 07:17:23,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598872422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:23,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:23,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:23,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077771815] [2022-12-14 07:17:23,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:23,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:23,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:23,413 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) [2022-12-14 07:17:24,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:24,642 INFO L93 Difference]: Finished difference Result 2508 states and 3404 transitions. [2022-12-14 07:17:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:24,645 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 [2022-12-14 07:17:24,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:24,651 INFO L225 Difference]: With dead ends: 2508 [2022-12-14 07:17:24,651 INFO L226 Difference]: Without dead ends: 2506 [2022-12-14 07:17:24,651 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 [2022-12-14 07:17:24,652 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 1538 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:24,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 2772 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 07:17:24,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2022-12-14 07:17:24,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2022-12-14 07:17:24,868 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) [2022-12-14 07:17:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3401 transitions. [2022-12-14 07:17:24,874 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3401 transitions. Word has length 123 [2022-12-14 07:17:24,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:24,874 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 3401 transitions. [2022-12-14 07:17:24,874 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) [2022-12-14 07:17:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3401 transitions. [2022-12-14 07:17:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 07:17:24,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:24,877 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] [2022-12-14 07:17:24,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 07:17:24,877 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)] === [2022-12-14 07:17:24,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash -301737253, now seen corresponding path program 1 times [2022-12-14 07:17:24,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:24,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376450304] [2022-12-14 07:17:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-14 07:17:25,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:25,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376450304] [2022-12-14 07:17:25,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376450304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:25,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:25,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:17:25,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889352820] [2022-12-14 07:17:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:25,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:17:25,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:25,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:17:25,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:17:25,120 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) [2022-12-14 07:17:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:26,210 INFO L93 Difference]: Finished difference Result 4528 states and 6122 transitions. [2022-12-14 07:17:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:17:26,214 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 [2022-12-14 07:17:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:26,220 INFO L225 Difference]: With dead ends: 4528 [2022-12-14 07:17:26,220 INFO L226 Difference]: Without dead ends: 2500 [2022-12-14 07:17:26,224 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 [2022-12-14 07:17:26,224 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 1560 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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 [2022-12-14 07:17:26,224 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] [2022-12-14 07:17:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2022-12-14 07:17:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2500. [2022-12-14 07:17:26,452 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) [2022-12-14 07:17:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3392 transitions. [2022-12-14 07:17:26,458 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3392 transitions. Word has length 156 [2022-12-14 07:17:26,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:26,458 INFO L495 AbstractCegarLoop]: Abstraction has 2500 states and 3392 transitions. [2022-12-14 07:17:26,458 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) [2022-12-14 07:17:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3392 transitions. [2022-12-14 07:17:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 07:17:26,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:26,460 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] [2022-12-14 07:17:26,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 07:17:26,460 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)] === [2022-12-14 07:17:26,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:26,460 INFO L85 PathProgramCache]: Analyzing trace with hash 730842219, now seen corresponding path program 1 times [2022-12-14 07:17:26,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:26,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965160947] [2022-12-14 07:17:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:26,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965160947] [2022-12-14 07:17:26,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965160947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:26,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:26,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020158737] [2022-12-14 07:17:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:26,662 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) [2022-12-14 07:17:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:28,251 INFO L93 Difference]: Finished difference Result 2500 states and 3392 transitions. [2022-12-14 07:17:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:28,254 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 [2022-12-14 07:17:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:28,260 INFO L225 Difference]: With dead ends: 2500 [2022-12-14 07:17:28,260 INFO L226 Difference]: Without dead ends: 2498 [2022-12-14 07:17:28,261 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 [2022-12-14 07:17:28,261 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 [2022-12-14 07:17:28,261 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] [2022-12-14 07:17:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2022-12-14 07:17:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2022-12-14 07:17:28,489 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) [2022-12-14 07:17:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3389 transitions. [2022-12-14 07:17:28,495 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3389 transitions. Word has length 128 [2022-12-14 07:17:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:28,495 INFO L495 AbstractCegarLoop]: Abstraction has 2498 states and 3389 transitions. [2022-12-14 07:17:28,495 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) [2022-12-14 07:17:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3389 transitions. [2022-12-14 07:17:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 07:17:28,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:28,497 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] [2022-12-14 07:17:28,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 07:17:28,497 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)] === [2022-12-14 07:17:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:28,497 INFO L85 PathProgramCache]: Analyzing trace with hash 584360980, now seen corresponding path program 1 times [2022-12-14 07:17:28,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:28,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578024132] [2022-12-14 07:17:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-12-14 07:17:28,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:28,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578024132] [2022-12-14 07:17:28,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578024132] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:17:28,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782744668] [2022-12-14 07:17:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:17:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:17:28,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:17:28,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:17:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:29,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:17:29,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:17:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 07:17:29,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:17:29,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782744668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:29,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:17:29,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-14 07:17:29,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379000495] [2022-12-14 07:17:29,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:29,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:17:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:29,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:17:29,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:17:29,532 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) [2022-12-14 07:17:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:30,529 INFO L93 Difference]: Finished difference Result 4528 states and 6111 transitions. [2022-12-14 07:17:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:17:30,532 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 [2022-12-14 07:17:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:30,537 INFO L225 Difference]: With dead ends: 4528 [2022-12-14 07:17:30,538 INFO L226 Difference]: Without dead ends: 2514 [2022-12-14 07:17:30,541 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 [2022-12-14 07:17:30,541 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 1477 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:30,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 1437 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:17:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-12-14 07:17:30,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2512. [2022-12-14 07:17:30,829 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) [2022-12-14 07:17:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3398 transitions. [2022-12-14 07:17:30,838 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3398 transitions. Word has length 161 [2022-12-14 07:17:30,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:30,838 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3398 transitions. [2022-12-14 07:17:30,838 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) [2022-12-14 07:17:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3398 transitions. [2022-12-14 07:17:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 07:17:30,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:30,840 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] [2022-12-14 07:17:30,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:17:31,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:17:31,041 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)] === [2022-12-14 07:17:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:31,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1199874321, now seen corresponding path program 1 times [2022-12-14 07:17:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:31,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686148840] [2022-12-14 07:17:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:31,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:31,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:31,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686148840] [2022-12-14 07:17:31,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686148840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:31,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:31,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:31,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829076901] [2022-12-14 07:17:31,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:31,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:31,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:31,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:31,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:31,246 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) [2022-12-14 07:17:32,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:32,772 INFO L93 Difference]: Finished difference Result 2512 states and 3398 transitions. [2022-12-14 07:17:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:32,776 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 [2022-12-14 07:17:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:32,782 INFO L225 Difference]: With dead ends: 2512 [2022-12-14 07:17:32,782 INFO L226 Difference]: Without dead ends: 2510 [2022-12-14 07:17:32,783 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 [2022-12-14 07:17:32,783 INFO L413 NwaCegarLoop]: 1372 mSDtfsCounter, 1522 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:32,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 2744 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 07:17:32,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-12-14 07:17:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-12-14 07:17:33,029 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) [2022-12-14 07:17:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3395 transitions. [2022-12-14 07:17:33,035 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3395 transitions. Word has length 133 [2022-12-14 07:17:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:33,035 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 3395 transitions. [2022-12-14 07:17:33,035 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) [2022-12-14 07:17:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3395 transitions. [2022-12-14 07:17:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 07:17:33,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:33,037 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] [2022-12-14 07:17:33,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 07:17:33,037 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)] === [2022-12-14 07:17:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:33,038 INFO L85 PathProgramCache]: Analyzing trace with hash 409564092, now seen corresponding path program 1 times [2022-12-14 07:17:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:33,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442121782] [2022-12-14 07:17:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:33,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:33,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442121782] [2022-12-14 07:17:33,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442121782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:33,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:33,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:33,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844819474] [2022-12-14 07:17:33,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:33,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:33,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:33,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:33,238 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) [2022-12-14 07:17:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:35,745 INFO L93 Difference]: Finished difference Result 4419 states and 5964 transitions. [2022-12-14 07:17:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:17:35,746 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 [2022-12-14 07:17:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:35,754 INFO L225 Difference]: With dead ends: 4419 [2022-12-14 07:17:35,754 INFO L226 Difference]: Without dead ends: 4417 [2022-12-14 07:17:35,755 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 [2022-12-14 07:17:35,756 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 1197 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:35,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 4717 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 07:17:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2022-12-14 07:17:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4381. [2022-12-14 07:17:36,189 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) [2022-12-14 07:17:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5930 transitions. [2022-12-14 07:17:36,200 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5930 transitions. Word has length 138 [2022-12-14 07:17:36,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:36,200 INFO L495 AbstractCegarLoop]: Abstraction has 4381 states and 5930 transitions. [2022-12-14 07:17:36,201 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) [2022-12-14 07:17:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5930 transitions. [2022-12-14 07:17:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 07:17:36,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:36,202 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] [2022-12-14 07:17:36,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 07:17:36,202 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)] === [2022-12-14 07:17:36,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2051761114, now seen corresponding path program 1 times [2022-12-14 07:17:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:36,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526847228] [2022-12-14 07:17:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:36,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:36,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526847228] [2022-12-14 07:17:36,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526847228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:36,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:36,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:36,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867569403] [2022-12-14 07:17:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:36,422 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) [2022-12-14 07:17:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:38,254 INFO L93 Difference]: Finished difference Result 4381 states and 5930 transitions. [2022-12-14 07:17:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:38,257 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 [2022-12-14 07:17:38,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:38,266 INFO L225 Difference]: With dead ends: 4381 [2022-12-14 07:17:38,266 INFO L226 Difference]: Without dead ends: 4379 [2022-12-14 07:17:38,267 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 [2022-12-14 07:17:38,268 INFO L413 NwaCegarLoop]: 1370 mSDtfsCounter, 1518 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:38,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 2740 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 07:17:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-12-14 07:17:38,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4379. [2022-12-14 07:17:38,749 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) [2022-12-14 07:17:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 5927 transitions. [2022-12-14 07:17:38,759 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 5927 transitions. Word has length 143 [2022-12-14 07:17:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:38,759 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 5927 transitions. [2022-12-14 07:17:38,759 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) [2022-12-14 07:17:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 5927 transitions. [2022-12-14 07:17:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 07:17:38,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:38,761 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] [2022-12-14 07:17:38,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 07:17:38,761 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)] === [2022-12-14 07:17:38,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1613710641, now seen corresponding path program 1 times [2022-12-14 07:17:38,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:38,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669922642] [2022-12-14 07:17:38,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:38,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:17:38,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:38,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669922642] [2022-12-14 07:17:38,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669922642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:38,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:38,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:17:38,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361202469] [2022-12-14 07:17:38,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:38,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:17:38,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:38,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:17:38,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:17:38,947 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) [2022-12-14 07:17:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:41,734 INFO L93 Difference]: Finished difference Result 7614 states and 10297 transitions. [2022-12-14 07:17:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:17:41,735 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 [2022-12-14 07:17:41,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:41,754 INFO L225 Difference]: With dead ends: 7614 [2022-12-14 07:17:41,755 INFO L226 Difference]: Without dead ends: 7369 [2022-12-14 07:17:41,759 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 [2022-12-14 07:17:41,760 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 1438 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:41,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 4788 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 07:17:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2022-12-14 07:17:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7340. [2022-12-14 07:17:42,690 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) [2022-12-14 07:17:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7340 states to 7340 states and 9991 transitions. [2022-12-14 07:17:42,708 INFO L78 Accepts]: Start accepts. Automaton has 7340 states and 9991 transitions. Word has length 148 [2022-12-14 07:17:42,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:42,709 INFO L495 AbstractCegarLoop]: Abstraction has 7340 states and 9991 transitions. [2022-12-14 07:17:42,709 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) [2022-12-14 07:17:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7340 states and 9991 transitions. [2022-12-14 07:17:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 07:17:42,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:42,710 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] [2022-12-14 07:17:42,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 07:17:42,711 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)] === [2022-12-14 07:17:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1287688548, now seen corresponding path program 1 times [2022-12-14 07:17:42,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:42,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96945969] [2022-12-14 07:17:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-14 07:17:43,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:43,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96945969] [2022-12-14 07:17:43,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96945969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:43,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:43,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:43,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779086257] [2022-12-14 07:17:43,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:43,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:17:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:43,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:17:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:17:43,095 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) [2022-12-14 07:17:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:46,534 INFO L93 Difference]: Finished difference Result 13853 states and 19277 transitions. [2022-12-14 07:17:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:17:46,535 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 [2022-12-14 07:17:46,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:46,570 INFO L225 Difference]: With dead ends: 13853 [2022-12-14 07:17:46,570 INFO L226 Difference]: Without dead ends: 13851 [2022-12-14 07:17:46,575 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 [2022-12-14 07:17:46,576 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1522 mSDsluCounter, 5365 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 7457 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:46,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 7457 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 07:17:46,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2022-12-14 07:17:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 11564. [2022-12-14 07:17:47,902 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) [2022-12-14 07:17:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11564 states to 11564 states and 16096 transitions. [2022-12-14 07:17:47,930 INFO L78 Accepts]: Start accepts. Automaton has 11564 states and 16096 transitions. Word has length 167 [2022-12-14 07:17:47,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:47,930 INFO L495 AbstractCegarLoop]: Abstraction has 11564 states and 16096 transitions. [2022-12-14 07:17:47,930 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) [2022-12-14 07:17:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 11564 states and 16096 transitions. [2022-12-14 07:17:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 07:17:47,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:47,932 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] [2022-12-14 07:17:47,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 07:17:47,932 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)] === [2022-12-14 07:17:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1645596570, now seen corresponding path program 1 times [2022-12-14 07:17:47,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:47,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70839835] [2022-12-14 07:17:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-14 07:17:48,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:48,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70839835] [2022-12-14 07:17:48,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70839835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:48,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:48,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:17:48,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145789216] [2022-12-14 07:17:48,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:48,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:48,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:48,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:48,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:48,215 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) [2022-12-14 07:17:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:52,313 INFO L93 Difference]: Finished difference Result 22496 states and 31831 transitions. [2022-12-14 07:17:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:17:52,314 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 [2022-12-14 07:17:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:52,347 INFO L225 Difference]: With dead ends: 22496 [2022-12-14 07:17:52,347 INFO L226 Difference]: Without dead ends: 11729 [2022-12-14 07:17:52,371 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 [2022-12-14 07:17:52,371 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 26 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:52,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 6917 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 07:17:52,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11729 states. [2022-12-14 07:17:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11729 to 11609. [2022-12-14 07:17:53,904 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) [2022-12-14 07:17:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11609 states to 11609 states and 16159 transitions. [2022-12-14 07:17:53,933 INFO L78 Accepts]: Start accepts. Automaton has 11609 states and 16159 transitions. Word has length 175 [2022-12-14 07:17:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:53,933 INFO L495 AbstractCegarLoop]: Abstraction has 11609 states and 16159 transitions. [2022-12-14 07:17:53,933 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) [2022-12-14 07:17:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 11609 states and 16159 transitions. [2022-12-14 07:17:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-14 07:17:53,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:53,935 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] [2022-12-14 07:17:53,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 07:17:53,935 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)] === [2022-12-14 07:17:53,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:53,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1706178119, now seen corresponding path program 1 times [2022-12-14 07:17:53,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:53,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969869391] [2022-12-14 07:17:53,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:53,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-12-14 07:17:54,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:54,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969869391] [2022-12-14 07:17:54,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969869391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:54,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:54,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:54,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491565197] [2022-12-14 07:17:54,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:54,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:17:54,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:54,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:17:54,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:17:54,152 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, (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) [2022-12-14 07:17:57,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:57,346 INFO L93 Difference]: Finished difference Result 22999 states and 32676 transitions. [2022-12-14 07:17:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:57,347 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 [2022-12-14 07:17:57,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:57,377 INFO L225 Difference]: With dead ends: 22999 [2022-12-14 07:17:57,377 INFO L226 Difference]: Without dead ends: 11918 [2022-12-14 07:17:57,401 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 [2022-12-14 07:17:57,402 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 23 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:57,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 5613 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 07:17:57,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11918 states. [2022-12-14 07:17:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11918 to 11627. [2022-12-14 07:17:58,747 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) [2022-12-14 07:17:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11627 states to 11627 states and 16177 transitions. [2022-12-14 07:17:58,776 INFO L78 Accepts]: Start accepts. Automaton has 11627 states and 16177 transitions. Word has length 197 [2022-12-14 07:17:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:58,776 INFO L495 AbstractCegarLoop]: Abstraction has 11627 states and 16177 transitions. [2022-12-14 07:17:58,776 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) [2022-12-14 07:17:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 11627 states and 16177 transitions. [2022-12-14 07:17:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-14 07:17:58,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:58,778 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] [2022-12-14 07:17:58,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 07:17:58,778 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)] === [2022-12-14 07:17:58,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1521758639, now seen corresponding path program 1 times [2022-12-14 07:17:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:58,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730102396] [2022-12-14 07:17:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-12-14 07:17:59,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:59,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730102396] [2022-12-14 07:17:59,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730102396] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:59,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:59,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:59,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628687285] [2022-12-14 07:17:59,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:59,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:17:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:17:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:17:59,032 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) [2022-12-14 07:18:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:03,155 INFO L93 Difference]: Finished difference Result 23044 states and 32721 transitions. [2022-12-14 07:18:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:18:03,156 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 [2022-12-14 07:18:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:03,188 INFO L225 Difference]: With dead ends: 23044 [2022-12-14 07:18:03,188 INFO L226 Difference]: Without dead ends: 11945 [2022-12-14 07:18:03,213 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 [2022-12-14 07:18:03,213 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 23 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:03,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 5613 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 07:18:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11945 states. [2022-12-14 07:18:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11945 to 11645. [2022-12-14 07:18:04,550 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) [2022-12-14 07:18:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11645 states to 11645 states and 16195 transitions. [2022-12-14 07:18:04,579 INFO L78 Accepts]: Start accepts. Automaton has 11645 states and 16195 transitions. Word has length 197 [2022-12-14 07:18:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:04,580 INFO L495 AbstractCegarLoop]: Abstraction has 11645 states and 16195 transitions. [2022-12-14 07:18:04,580 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) [2022-12-14 07:18:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11645 states and 16195 transitions. [2022-12-14 07:18:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-14 07:18:04,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:04,582 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] [2022-12-14 07:18:04,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 07:18:04,582 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)] === [2022-12-14 07:18:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:04,582 INFO L85 PathProgramCache]: Analyzing trace with hash -385857725, now seen corresponding path program 1 times [2022-12-14 07:18:04,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:04,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816759552] [2022-12-14 07:18:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-14 07:18:04,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:04,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816759552] [2022-12-14 07:18:04,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816759552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:18:04,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:18:04,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:18:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031180441] [2022-12-14 07:18:04,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:18:04,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:18:04,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:18:04,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:18:04,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:18:04,800 INFO L87 Difference]: Start difference. First operand 11645 states and 16195 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, (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) [2022-12-14 07:18:08,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:08,568 INFO L93 Difference]: Finished difference Result 18599 states and 26063 transitions. [2022-12-14 07:18:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:18:08,569 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, (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 177 [2022-12-14 07:18:08,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:08,595 INFO L225 Difference]: With dead ends: 18599 [2022-12-14 07:18:08,595 INFO L226 Difference]: Without dead ends: 11725 [2022-12-14 07:18:08,608 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 [2022-12-14 07:18:08,609 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 3 mSDsluCounter, 4126 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:08,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5507 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 07:18:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11725 states. [2022-12-14 07:18:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11725 to 11693. [2022-12-14 07:18:09,912 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) [2022-12-14 07:18:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11693 states to 11693 states and 16313 transitions. [2022-12-14 07:18:09,942 INFO L78 Accepts]: Start accepts. Automaton has 11693 states and 16313 transitions. Word has length 177 [2022-12-14 07:18:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:09,942 INFO L495 AbstractCegarLoop]: Abstraction has 11693 states and 16313 transitions. [2022-12-14 07:18:09,942 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, (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) [2022-12-14 07:18:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11693 states and 16313 transitions. [2022-12-14 07:18:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-14 07:18:09,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:09,946 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] [2022-12-14 07:18:09,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 07:18:09,946 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)] === [2022-12-14 07:18:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1862615009, now seen corresponding path program 1 times [2022-12-14 07:18:09,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:09,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478082703] [2022-12-14 07:18:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:09,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-12-14 07:18:10,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:10,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478082703] [2022-12-14 07:18:10,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478082703] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:18:10,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:18:10,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:18:10,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790524623] [2022-12-14 07:18:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:18:10,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:18:10,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:18:10,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:18:10,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:18:10,928 INFO L87 Difference]: Start difference. First operand 11693 states and 16313 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) [2022-12-14 07:18:14,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:14,674 INFO L93 Difference]: Finished difference Result 19254 states and 26881 transitions. [2022-12-14 07:18:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:18:14,674 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 [2022-12-14 07:18:14,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:14,706 INFO L225 Difference]: With dead ends: 19254 [2022-12-14 07:18:14,706 INFO L226 Difference]: Without dead ends: 12332 [2022-12-14 07:18:14,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:18:14,722 INFO L413 NwaCegarLoop]: 1373 mSDtfsCounter, 169 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:14,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 5362 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 07:18:14,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12332 states. [2022-12-14 07:18:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12332 to 12083. [2022-12-14 07:18:16,149 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, (4500), 3947 states have call predecessors, (4500), 4008 states have call successors, (4500) [2022-12-14 07:18:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12083 states to 12083 states and 16880 transitions. [2022-12-14 07:18:16,178 INFO L78 Accepts]: Start accepts. Automaton has 12083 states and 16880 transitions. Word has length 201 [2022-12-14 07:18:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:16,178 INFO L495 AbstractCegarLoop]: Abstraction has 12083 states and 16880 transitions. [2022-12-14 07:18:16,179 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) [2022-12-14 07:18:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 12083 states and 16880 transitions. [2022-12-14 07:18:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 07:18:16,180 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:16,180 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] [2022-12-14 07:18:16,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 07:18:16,181 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)] === [2022-12-14 07:18:16,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:16,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1582247267, now seen corresponding path program 1 times [2022-12-14 07:18:16,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:16,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541700824] [2022-12-14 07:18:16,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:16,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-14 07:18:16,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:16,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541700824] [2022-12-14 07:18:16,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541700824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:18:16,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:18:16,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:18:16,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873780293] [2022-12-14 07:18:16,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:18:16,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:18:16,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:18:16,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:18:16,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:18:16,903 INFO L87 Difference]: Start difference. First operand 12083 states and 16880 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-12-14 07:18:19,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:19,988 INFO L93 Difference]: Finished difference Result 20315 states and 28513 transitions. [2022-12-14 07:18:19,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:18:19,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 179 [2022-12-14 07:18:19,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:20,018 INFO L225 Difference]: With dead ends: 20315 [2022-12-14 07:18:20,018 INFO L226 Difference]: Without dead ends: 13091 [2022-12-14 07:18:20,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:18:20,033 INFO L413 NwaCegarLoop]: 1391 mSDtfsCounter, 167 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:20,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 4072 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 07:18:20,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13091 states. [2022-12-14 07:18:21,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13091 to 12687. [2022-12-14 07:18:21,467 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) [2022-12-14 07:18:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12687 states to 12687 states and 17696 transitions. [2022-12-14 07:18:21,499 INFO L78 Accepts]: Start accepts. Automaton has 12687 states and 17696 transitions. Word has length 179 [2022-12-14 07:18:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:21,499 INFO L495 AbstractCegarLoop]: Abstraction has 12687 states and 17696 transitions. [2022-12-14 07:18:21,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-12-14 07:18:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12687 states and 17696 transitions. [2022-12-14 07:18:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 07:18:21,501 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:21,501 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] [2022-12-14 07:18:21,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 07:18:21,501 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)] === [2022-12-14 07:18:21,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:21,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1494440952, now seen corresponding path program 1 times [2022-12-14 07:18:21,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:21,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811207872] [2022-12-14 07:18:21,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:21,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-14 07:18:22,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:22,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811207872] [2022-12-14 07:18:22,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811207872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:18:22,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:18:22,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:18:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073632200] [2022-12-14 07:18:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:18:22,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:18:22,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:18:22,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:18:22,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:18:22,073 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) [2022-12-14 07:18:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:25,738 INFO L93 Difference]: Finished difference Result 13206 states and 18303 transitions. [2022-12-14 07:18:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:18:25,739 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 [2022-12-14 07:18:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:25,767 INFO L225 Difference]: With dead ends: 13206 [2022-12-14 07:18:25,768 INFO L226 Difference]: Without dead ends: 13014 [2022-12-14 07:18:25,773 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 [2022-12-14 07:18:25,773 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 139 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:25,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 5449 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 07:18:25,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13014 states. [2022-12-14 07:18:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13014 to 13002. [2022-12-14 07:18:27,281 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) [2022-12-14 07:18:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13002 states to 13002 states and 17964 transitions. [2022-12-14 07:18:27,313 INFO L78 Accepts]: Start accepts. Automaton has 13002 states and 17964 transitions. Word has length 179 [2022-12-14 07:18:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:27,313 INFO L495 AbstractCegarLoop]: Abstraction has 13002 states and 17964 transitions. [2022-12-14 07:18:27,313 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) [2022-12-14 07:18:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 13002 states and 17964 transitions. [2022-12-14 07:18:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-14 07:18:27,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:27,315 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] [2022-12-14 07:18:27,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 07:18:27,316 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)] === [2022-12-14 07:18:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1983062186, now seen corresponding path program 1 times [2022-12-14 07:18:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:27,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723781251] [2022-12-14 07:18:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-12-14 07:18:27,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:27,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723781251] [2022-12-14 07:18:27,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723781251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:18:27,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:18:27,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 07:18:27,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654360096] [2022-12-14 07:18:27,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:18:27,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:18:27,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:18:27,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:18:27,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:18:27,968 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) [2022-12-14 07:18:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:18:33,048 INFO L93 Difference]: Finished difference Result 14472 states and 20170 transitions. [2022-12-14 07:18:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:18:33,049 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 [2022-12-14 07:18:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:18:33,081 INFO L225 Difference]: With dead ends: 14472 [2022-12-14 07:18:33,081 INFO L226 Difference]: Without dead ends: 14470 [2022-12-14 07:18:33,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-14 07:18:33,086 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 471 mSDsluCounter, 6749 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:18:33,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 8281 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 07:18:33,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14470 states. [2022-12-14 07:18:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14470 to 13408. [2022-12-14 07:18:34,676 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) [2022-12-14 07:18:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13408 states to 13408 states and 18400 transitions. [2022-12-14 07:18:34,707 INFO L78 Accepts]: Start accepts. Automaton has 13408 states and 18400 transitions. Word has length 212 [2022-12-14 07:18:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:18:34,707 INFO L495 AbstractCegarLoop]: Abstraction has 13408 states and 18400 transitions. [2022-12-14 07:18:34,707 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) [2022-12-14 07:18:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13408 states and 18400 transitions. [2022-12-14 07:18:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-14 07:18:34,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:18:34,710 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] [2022-12-14 07:18:34,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 07:18:34,710 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)] === [2022-12-14 07:18:34,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:18:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash -708547142, now seen corresponding path program 1 times [2022-12-14 07:18:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:18:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733184258] [2022-12-14 07:18:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:18:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-12-14 07:18:35,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:18:35,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733184258] [2022-12-14 07:18:35,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733184258] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:18:35,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735659170] [2022-12-14 07:18:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:18:35,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:18:35,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:18:35,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:18:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2931580-c06d-48ab-bae0-1bc5d5c83478/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:18:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:18:36,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3526 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 07:18:36,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:18:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 230 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-12-14 07:18:36,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:18:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-12-14 07:18:36,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735659170] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:18:36,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1006831835] [2022-12-14 07:18:36,695 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-12-14 07:18:36,696 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:18:36,699 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:18:36,704 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:18:36,704 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs