./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--firewire--firewire-core.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 dd574ee2a61a96352defa27d3df6489fef6547c0dab6f74447dea321817b1abd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:23:14,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:23:14,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:23:14,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:23:14,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:23:14,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:23:14,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:23:14,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:23:14,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:23:14,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:23:14,856 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:23:14,856 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:23:14,857 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:23:14,857 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:23:14,858 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:23:14,858 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:23:14,859 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:23:14,859 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:23:14,860 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:23:14,860 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:23:14,861 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:23:14,862 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:23:14,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:23:14,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:23:14,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:23:14,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:23:14,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:23:14,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:23:14,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:23:14,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:23:14,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:23:14,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:23:14,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:23:14,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:23:14,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:23:14,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:23:14,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:23:14,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:23:14,868 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:23:14,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:23:14,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:23:14,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:23:14,869 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:23:14,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:23:14,869 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd574ee2a61a96352defa27d3df6489fef6547c0dab6f74447dea321817b1abd [2023-12-02 13:23:15,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:23:15,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:23:15,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:23:15,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:23:15,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:23:15,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i [2023-12-02 13:23:17,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:23:18,392 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:23:18,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i [2023-12-02 13:23:18,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/data/d394ef39a/105c8afad23e4ee1aa269166242f7684/FLAG60bab2dbb [2023-12-02 13:23:18,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/data/d394ef39a/105c8afad23e4ee1aa269166242f7684 [2023-12-02 13:23:18,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:23:18,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:23:18,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:23:18,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:23:18,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:23:18,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:23:18" (1/1) ... [2023-12-02 13:23:18,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75caad59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:18, skipping insertion in model container [2023-12-02 13:23:18,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:23:18" (1/1) ... [2023-12-02 13:23:18,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:23:25,013 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626602,626615] [2023-12-02 13:23:25,016 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626747,626760] [2023-12-02 13:23:25,017 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626893,626906] [2023-12-02 13:23:25,017 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627058,627071] [2023-12-02 13:23:25,018 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627216,627229] [2023-12-02 13:23:25,018 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627374,627387] [2023-12-02 13:23:25,019 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627532,627545] [2023-12-02 13:23:25,019 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627692,627705] [2023-12-02 13:23:25,020 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627851,627864] [2023-12-02 13:23:25,020 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627990,628003] [2023-12-02 13:23:25,021 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628132,628145] [2023-12-02 13:23:25,021 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628281,628294] [2023-12-02 13:23:25,022 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628420,628433] [2023-12-02 13:23:25,022 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628575,628588] [2023-12-02 13:23:25,023 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628735,628748] [2023-12-02 13:23:25,023 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628886,628899] [2023-12-02 13:23:25,024 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629037,629050] [2023-12-02 13:23:25,024 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629189,629202] [2023-12-02 13:23:25,025 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629338,629351] [2023-12-02 13:23:25,025 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629486,629499] [2023-12-02 13:23:25,026 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629643,629656] [2023-12-02 13:23:25,026 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629792,629805] [2023-12-02 13:23:25,026 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629948,629961] [2023-12-02 13:23:25,027 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630101,630114] [2023-12-02 13:23:25,027 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630247,630260] [2023-12-02 13:23:25,027 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630390,630403] [2023-12-02 13:23:25,028 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630542,630555] [2023-12-02 13:23:25,028 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630688,630701] [2023-12-02 13:23:25,029 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630833,630846] [2023-12-02 13:23:25,029 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630987,631000] [2023-12-02 13:23:25,030 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631138,631151] [2023-12-02 13:23:25,030 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631293,631306] [2023-12-02 13:23:25,031 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631445,631458] [2023-12-02 13:23:25,031 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631600,631613] [2023-12-02 13:23:25,032 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631764,631777] [2023-12-02 13:23:25,033 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631920,631933] [2023-12-02 13:23:25,033 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632084,632097] [2023-12-02 13:23:25,033 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632226,632239] [2023-12-02 13:23:25,034 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632384,632397] [2023-12-02 13:23:25,034 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632551,632564] [2023-12-02 13:23:25,035 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632710,632723] [2023-12-02 13:23:25,035 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632869,632882] [2023-12-02 13:23:25,036 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633018,633031] [2023-12-02 13:23:25,036 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633165,633178] [2023-12-02 13:23:25,037 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633304,633317] [2023-12-02 13:23:25,037 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633467,633480] [2023-12-02 13:23:25,038 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633633,633646] [2023-12-02 13:23:25,038 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633797,633810] [2023-12-02 13:23:25,039 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633962,633975] [2023-12-02 13:23:25,039 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634127,634140] [2023-12-02 13:23:25,040 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634293,634306] [2023-12-02 13:23:25,040 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634458,634471] [2023-12-02 13:23:25,041 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634625,634638] [2023-12-02 13:23:25,041 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634785,634798] [2023-12-02 13:23:25,042 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634947,634960] [2023-12-02 13:23:25,043 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635106,635119] [2023-12-02 13:23:25,043 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635252,635265] [2023-12-02 13:23:25,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635395,635408] [2023-12-02 13:23:25,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635539,635552] [2023-12-02 13:23:25,045 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635682,635695] [2023-12-02 13:23:25,045 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635826,635839] [2023-12-02 13:23:25,046 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635967,635980] [2023-12-02 13:23:25,046 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636105,636118] [2023-12-02 13:23:25,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636263,636276] [2023-12-02 13:23:25,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636422,636435] [2023-12-02 13:23:25,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636578,636591] [2023-12-02 13:23:25,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636727,636740] [2023-12-02 13:23:25,049 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636879,636892] [2023-12-02 13:23:25,049 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637030,637043] [2023-12-02 13:23:25,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637179,637192] [2023-12-02 13:23:25,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637331,637344] [2023-12-02 13:23:25,051 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637479,637492] [2023-12-02 13:23:25,051 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637632,637645] [2023-12-02 13:23:25,052 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637783,637796] [2023-12-02 13:23:25,052 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637933,637946] [2023-12-02 13:23:25,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638080,638093] [2023-12-02 13:23:25,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638231,638244] [2023-12-02 13:23:25,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638382,638395] [2023-12-02 13:23:25,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638530,638543] [2023-12-02 13:23:25,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638696,638709] [2023-12-02 13:23:25,055 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638865,638878] [2023-12-02 13:23:25,055 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639032,639045] [2023-12-02 13:23:25,056 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639200,639213] [2023-12-02 13:23:25,056 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639350,639363] [2023-12-02 13:23:25,057 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639497,639510] [2023-12-02 13:23:25,057 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639658,639671] [2023-12-02 13:23:25,058 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639828,639841] [2023-12-02 13:23:25,058 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639990,640003] [2023-12-02 13:23:25,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:23:25,178 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:23:25,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6159] [2023-12-02 13:23:25,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6162] [2023-12-02 13:23:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6165] [2023-12-02 13:23:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6168] [2023-12-02 13:23:25,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6203-6204] [2023-12-02 13:23:25,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6209-6211] [2023-12-02 13:23:25,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (819), "i" (12UL)); [6235-6236] [2023-12-02 13:23:25,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6241-6243] [2023-12-02 13:23:25,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6297] [2023-12-02 13:23:25,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6300] [2023-12-02 13:23:25,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6303] [2023-12-02 13:23:25,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6306] [2023-12-02 13:23:25,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6359] [2023-12-02 13:23:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6362] [2023-12-02 13:23:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6364] [2023-12-02 13:23:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6369] [2023-12-02 13:23:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6372] [2023-12-02 13:23:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6374] [2023-12-02 13:23:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6379] [2023-12-02 13:23:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6382] [2023-12-02 13:23:25,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6384] [2023-12-02 13:23:25,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6389] [2023-12-02 13:23:25,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6392] [2023-12-02 13:23:25,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6394] [2023-12-02 13:23:25,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6466] [2023-12-02 13:23:25,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tcall %P4\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 3*32+16)\n .byte 662b-661b\n .byte 6641f-6631f\n .long 661b - .\n .long 6632f - .\n .word ( 9*32+ 9)\n .byte 662b-661b\n .byte 6642f-6632f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n .byte 0xff + (6642f-6632f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\tcall %P5\n6641:\n\t6632:\n\tcall %P6\n6642:\n\t.popsection": "=a" (ret), "=D" (to), "=S" (from), "=d" (len): [old] "i" (& copy_user_generic_unrolled), [new1] "i" (& copy_user_generic_string), [new2] "i" (& copy_user_enhanced_fast_string), "1" (to), "2" (from), "3" (len): "memory", "rcx", "r8", "r9", "r10", "r11"); [6608-6612] [2023-12-02 13:23:25,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovb %2,%b1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorb %b1,%b1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=q" (*((u8 *)dst)): "m" (*((struct __large_struct *)src)), "i" (1), "0" (ret)); [6656-6658] [2023-12-02 13:23:25,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovw %2,%w1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorw %w1,%w1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u16 *)dst)): "m" (*((struct __large_struct *)src)), "i" (2), "0" (ret)); [6661-6663] [2023-12-02 13:23:25,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovl %2,%k1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorl %k1,%k1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u32 *)dst)): "m" (*((struct __large_struct *)src)), "i" (4), "0" (ret)); [6666-6668] [2023-12-02 13:23:25,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovq %2,%1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorq %1,%1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u64 *)dst)): "m" (*((struct __large_struct *)src)), "i" (8), "0" (ret)); [6671-6673] [2023-12-02 13:23:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovq %2,%1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorq %1,%1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u64 *)dst)): "m" (*((struct __large_struct *)src)), "i" (10), "0" (ret)); [6677-6679] [2023-12-02 13:23:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovw %2,%w1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorw %w1,%w1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u16 *)dst + 8U)): "m" (*((struct __large_struct *)src + 8U)), "i" (2), "0" (ret)); [6686-6688] [2023-12-02 13:23:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovq %2,%1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorq %1,%1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u64 *)dst)): "m" (*((struct __large_struct *)src)), "i" (16), "0" (ret)); [6692-6694] [2023-12-02 13:23:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xcb\n6641:\n\t.popsection\n1:\tmovq %2,%1\n2: 661:\n\t.byte 0x66,0x66,0x90\n\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 9*32+20)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0x0f,0x01,0xca\n6641:\n\t.popsection\n.section .fixup,\"ax\"\n3:\tmov %3,%0\n\txorq %1,%1\n\tjmp 2b\n.previous\n .pushsection \"__ex_table\",\"a\"\n .balign 8\n .long (1b) - .\n .long (3b) - .\n .popsection\n": "=r" (ret), "=r" (*((u64 *)dst + 8U)): "m" (*((struct __large_struct *)src + 8U)), "i" (8), "0" (ret)); [6701-6703] [2023-12-02 13:23:25,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (& p->control), "i" (4UL)); [8388-8389] [2023-12-02 13:23:25,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [10163-10164] [2023-12-02 13:23:25,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [10168-10169] [2023-12-02 13:23:25,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [10173-10174] [2023-12-02 13:23:25,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [10178-10179] [2023-12-02 13:23:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [10215-10216] [2023-12-02 13:23:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [10219-10220] [2023-12-02 13:23:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [10223-10224] [2023-12-02 13:23:25,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [10227-10228] [2023-12-02 13:23:25,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10841] [2023-12-02 13:23:25,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11282] [2023-12-02 13:23:25,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11832] [2023-12-02 13:23:25,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12310] [2023-12-02 13:23:25,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12330] [2023-12-02 13:23:25,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [12664-12665] [2023-12-02 13:23:25,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [12693-12694] [2023-12-02 13:23:25,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14069] [2023-12-02 13:23:25,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/firewire/core-transaction.c"), "i" (1191), "i" (12UL)); [16037-16038] [2023-12-02 13:23:25,818 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626602,626615] [2023-12-02 13:23:25,818 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626747,626760] [2023-12-02 13:23:25,819 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[626893,626906] [2023-12-02 13:23:25,819 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627058,627071] [2023-12-02 13:23:25,819 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627216,627229] [2023-12-02 13:23:25,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627374,627387] [2023-12-02 13:23:25,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627532,627545] [2023-12-02 13:23:25,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627692,627705] [2023-12-02 13:23:25,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627851,627864] [2023-12-02 13:23:25,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[627990,628003] [2023-12-02 13:23:25,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628132,628145] [2023-12-02 13:23:25,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628281,628294] [2023-12-02 13:23:25,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628420,628433] [2023-12-02 13:23:25,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628575,628588] [2023-12-02 13:23:25,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628735,628748] [2023-12-02 13:23:25,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[628886,628899] [2023-12-02 13:23:25,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629037,629050] [2023-12-02 13:23:25,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629189,629202] [2023-12-02 13:23:25,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629338,629351] [2023-12-02 13:23:25,825 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629486,629499] [2023-12-02 13:23:25,825 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629643,629656] [2023-12-02 13:23:25,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629792,629805] [2023-12-02 13:23:25,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[629948,629961] [2023-12-02 13:23:25,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630101,630114] [2023-12-02 13:23:25,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630247,630260] [2023-12-02 13:23:25,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630390,630403] [2023-12-02 13:23:25,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630542,630555] [2023-12-02 13:23:25,828 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630688,630701] [2023-12-02 13:23:25,828 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630833,630846] [2023-12-02 13:23:25,828 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[630987,631000] [2023-12-02 13:23:25,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631138,631151] [2023-12-02 13:23:25,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631293,631306] [2023-12-02 13:23:25,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631445,631458] [2023-12-02 13:23:25,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631600,631613] [2023-12-02 13:23:25,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631764,631777] [2023-12-02 13:23:25,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[631920,631933] [2023-12-02 13:23:25,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632084,632097] [2023-12-02 13:23:25,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632226,632239] [2023-12-02 13:23:25,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632384,632397] [2023-12-02 13:23:25,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632551,632564] [2023-12-02 13:23:25,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632710,632723] [2023-12-02 13:23:25,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[632869,632882] [2023-12-02 13:23:25,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633018,633031] [2023-12-02 13:23:25,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633165,633178] [2023-12-02 13:23:25,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633304,633317] [2023-12-02 13:23:25,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633467,633480] [2023-12-02 13:23:25,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633633,633646] [2023-12-02 13:23:25,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633797,633810] [2023-12-02 13:23:25,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[633962,633975] [2023-12-02 13:23:25,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634127,634140] [2023-12-02 13:23:25,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634293,634306] [2023-12-02 13:23:25,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634458,634471] [2023-12-02 13:23:25,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634625,634638] [2023-12-02 13:23:25,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634785,634798] [2023-12-02 13:23:25,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[634947,634960] [2023-12-02 13:23:25,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635106,635119] [2023-12-02 13:23:25,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635252,635265] [2023-12-02 13:23:25,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635395,635408] [2023-12-02 13:23:25,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635539,635552] [2023-12-02 13:23:25,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635682,635695] [2023-12-02 13:23:25,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635826,635839] [2023-12-02 13:23:25,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[635967,635980] [2023-12-02 13:23:25,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636105,636118] [2023-12-02 13:23:25,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636263,636276] [2023-12-02 13:23:25,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636422,636435] [2023-12-02 13:23:25,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636578,636591] [2023-12-02 13:23:25,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636727,636740] [2023-12-02 13:23:25,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[636879,636892] [2023-12-02 13:23:25,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637030,637043] [2023-12-02 13:23:25,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637179,637192] [2023-12-02 13:23:25,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637331,637344] [2023-12-02 13:23:25,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637479,637492] [2023-12-02 13:23:25,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637632,637645] [2023-12-02 13:23:25,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637783,637796] [2023-12-02 13:23:25,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[637933,637946] [2023-12-02 13:23:25,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638080,638093] [2023-12-02 13:23:25,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638231,638244] [2023-12-02 13:23:25,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638382,638395] [2023-12-02 13:23:25,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638530,638543] [2023-12-02 13:23:25,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638696,638709] [2023-12-02 13:23:25,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[638865,638878] [2023-12-02 13:23:25,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639032,639045] [2023-12-02 13:23:25,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639200,639213] [2023-12-02 13:23:25,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639350,639363] [2023-12-02 13:23:25,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639497,639510] [2023-12-02 13:23:25,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639658,639671] [2023-12-02 13:23:25,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639828,639841] [2023-12-02 13:23:25,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i[639990,640003] [2023-12-02 13:23:25,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:23:26,284 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:23:26,284 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:23:26,284 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:23:26,284 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:23:26,284 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:23:26,290 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:23:26,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26 WrapperNode [2023-12-02 13:23:26,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:23:26,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:23:26,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:23:26,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:23:26,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:26,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:26,859 INFO L138 Inliner]: procedures = 1046, calls = 5616, calls flagged for inlining = 464, calls inlined = 383, statements flattened = 11408 [2023-12-02 13:23:26,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:23:26,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:23:26,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:23:26,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:23:26,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:26,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:26,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:26,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:23:27,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:23:27,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:23:27,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:23:27,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (1/1) ... [2023-12-02 13:23:27,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:23:27,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:23:27,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:23:27,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:23:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-12-02 13:23:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-12-02 13:23:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_update [2023-12-02 13:23:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_update [2023-12-02 13:23:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-12-02 13:23:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure fw_err [2023-12-02 13:23:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_err [2023-12-02 13:23:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure fw_node_get___1 [2023-12-02 13:23:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_node_get___1 [2023-12-02 13:23:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_get_cycle_timer2 [2023-12-02 13:23:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_get_cycle_timer2 [2023-12-02 13:23:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_100___0 [2023-12-02 13:23:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_100___0 [2023-12-02 13:23:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure fw_node_put___1 [2023-12-02 13:23:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_node_put___1 [2023-12-02 13:23:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure fw_send_response [2023-12-02 13:23:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_send_response [2023-12-02 13:23:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 13:23:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 13:23:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-12-02 13:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-12-02 13:23:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 13:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 13:23:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 13:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 13:23:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_alloc [2023-12-02 13:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_alloc [2023-12-02 13:23:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2023-12-02 13:23:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2023-12-02 13:23:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2023-12-02 13:23:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2023-12-02 13:23:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_compat_ioctl [2023-12-02 13:23:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_compat_ioctl [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2023-12-02 13:23:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_is_shutdown [2023-12-02 13:23:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_is_shutdown [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure release_iso_resource [2023-12-02 13:23:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure release_iso_resource [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 13:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure fw_run_transaction [2023-12-02 13:23:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_run_transaction [2023-12-02 13:23:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_start_iso [2023-12-02 13:23:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_start_iso [2023-12-02 13:23:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 13:23:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 13:23:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_flush_queue_iso [2023-12-02 13:23:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_flush_queue_iso [2023-12-02 13:23:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_destroy [2023-12-02 13:23:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_destroy [2023-12-02 13:23:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put___1 [2023-12-02 13:23:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put___1 [2023-12-02 13:23:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_send_phy_packet [2023-12-02 13:23:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_send_phy_packet [2023-12-02 13:23:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure fw_send_request [2023-12-02 13:23:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_send_request [2023-12-02 13:23:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_105 [2023-12-02 13:23:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_105 [2023-12-02 13:23:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 13:23:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 13:23:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure fill_bus_reset_event [2023-12-02 13:23:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_bus_reset_event [2023-12-02 13:23:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 13:23:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 13:23:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_17_2 [2023-12-02 13:23:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_17_2 [2023-12-02 13:23:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_116 [2023-12-02 13:23:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_116 [2023-12-02 13:23:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_flush_iso [2023-12-02 13:23:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_flush_iso [2023-12-02 13:23:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put___0 [2023-12-02 13:23:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put___0 [2023-12-02 13:23:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure dispatch_ioctl [2023-12-02 13:23:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dispatch_ioctl [2023-12-02 13:23:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_cdev_update [2023-12-02 13:23:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_cdev_update [2023-12-02 13:23:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 13:23:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 13:23:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure guid_show [2023-12-02 13:23:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure guid_show [2023-12-02 13:23:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 13:23:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 13:23:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure manage_channel [2023-12-02 13:23:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure manage_channel [2023-12-02 13:23:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 13:23:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 13:23:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:23:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 13:23:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 13:23:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure client_put [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure client_put [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure fw_unit_remove [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_unit_remove [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_create_iso_context [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_create_iso_context [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_client [2023-12-02 13:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_client [2023-12-02 13:23:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure update_config_roms [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure update_config_roms [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure handle_topology_map [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_topology_map [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure uptr_to_u64 [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure uptr_to_u64 [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure handle_fcp_region_request [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_fcp_region_request [2023-12-02 13:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 13:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-12-02 13:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 13:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-12-02 13:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_read_phy_reg [2023-12-02 13:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_read_phy_reg [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure fw_get_response_length [2023-12-02 13:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_get_response_length [2023-12-02 13:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_deallocate_iso_resource_once [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_deallocate_iso_resource_once [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_allocate [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_allocate [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_release [2023-12-02 13:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_release [2023-12-02 13:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 13:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-12-02 13:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure fw_send_phy_config [2023-12-02 13:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_send_phy_config [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_broadcast_channel [2023-12-02 13:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_broadcast_channel [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure has_outbound_transactions [2023-12-02 13:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure has_outbound_transactions [2023-12-02 13:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-12-02 13:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-12-02 13:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure units_show [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure units_show [2023-12-02 13:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_release [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_release [2023-12-02 13:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_flush_completions [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_flush_completions [2023-12-02 13:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-12-02 13:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-12-02 13:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_ids [2023-12-02 13:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ids [2023-12-02 13:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 13:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 13:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_remove_descriptor [2023-12-02 13:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_remove_descriptor [2023-12-02 13:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-02 13:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-02 13:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_workfn [2023-12-02 13:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_workfn [2023-12-02 13:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_101 [2023-12-02 13:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_101 [2023-12-02 13:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_complete_callback [2023-12-02 13:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_complete_callback [2023-12-02 13:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-12-02 13:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-12-02 13:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 13:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 13:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure fw_rcode_string [2023-12-02 13:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_rcode_string [2023-12-02 13:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure update_split_timeout [2023-12-02 13:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure update_split_timeout [2023-12-02 13:23:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-12-02 13:23:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-12-02 13:23:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure config_rom_show [2023-12-02 13:23:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure config_rom_show [2023-12-02 13:23:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_allocate_iso_resource [2023-12-02 13:23:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_allocate_iso_resource [2023-12-02 13:23:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 13:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_stop_iso [2023-12-02 13:23:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_stop_iso [2023-12-02 13:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_response [2023-12-02 13:23:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_response [2023-12-02 13:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-12-02 13:23:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-12-02 13:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2023-12-02 13:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2023-12-02 13:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2023-12-02 13:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2023-12-02 13:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-12-02 13:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-12-02 13:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-12-02 13:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-12-02 13:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-12-02 13:23:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-12-02 13:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2023-12-02 13:23:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2023-12-02 13:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_client [2023-12-02 13:23:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_client [2023-12-02 13:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure fw_notice [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_notice [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure complete_transaction [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_transaction [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure fw_schedule_device_work [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_schedule_device_work [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 13:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 13:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure add_client_resource [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure add_client_resource [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_fw_card [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_fw_card [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure manage_bandwidth [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure manage_bandwidth [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_resource_idr_of_client [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_resource_idr_of_client [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_resource_manage [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_resource_manage [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_refresh [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_refresh [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 13:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 13:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_card_mutex [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_card_mutex [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_init [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_init [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_poll [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_poll [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure update_unit [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure update_unit [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_put [2023-12-02 13:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_put [2023-12-02 13:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_cancel_packet [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_cancel_packet [2023-12-02 13:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 13:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure u64_to_uptr [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_to_uptr [2023-12-02 13:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 13:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure required_space [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure required_space [2023-12-02 13:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-12-02 13:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_modalias [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_modalias [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure reset_bus [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_bus [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-12-02 13:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-12-02 13:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_idr_find_114 [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_idr_find_114 [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-12-02 13:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2023-12-02 13:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_open [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_open [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_add_descriptor [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_add_descriptor [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure rom_index_show [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_index_show [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure release_client_resource [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure release_client_resource [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-12-02 13:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-12-02 13:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure outbound_phy_packet_callback [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outbound_phy_packet_callback [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure release_address_handler [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure release_address_handler [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_allocate_iso_context [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_allocate_iso_context [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_enable_phys_dma [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_enable_phys_dma [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure is_next_generation [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure is_next_generation [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2023-12-02 13:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2023-12-02 13:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure queue_event [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_event [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure fw_schedule_bus_reset [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_schedule_bus_reset [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_115 [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_115 [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure read_rom [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure read_rom [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_descriptor [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_descriptor [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2023-12-02 13:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 13:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_device [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_device [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure fw_unit [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_unit [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure generate_config_rom [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure generate_config_rom [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 13:23:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_existing_device [2023-12-02 13:23:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_existing_device [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_101___0 [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_101___0 [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure handle_registers [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_registers [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_read [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_read [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure fw_csr_iterator_next [2023-12-02 13:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_csr_iterator_next [2023-12-02 13:23:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure init_fw_attribute_group [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure init_fw_attribute_group [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_queue [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_queue [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_card_mutex [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_card_mutex [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_for_each_child [2023-12-02 13:23:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure device_for_each_child [2023-12-02 13:23:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_allocate_iso_resource_once [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_allocate_iso_resource_once [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure is_enclosing_handler [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure is_enclosing_handler [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_queue_iso [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_queue_iso [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_deallocate [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_deallocate [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 13:23:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 13:23:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_19_2 [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_19_2 [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_send_request [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_send_request [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_stop [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_stop [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_fw_card [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_fw_card [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 13:23:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 13:23:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_card [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_card [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure start_split_transaction_timeout [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure start_split_transaction_timeout [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_mmap [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_mmap [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_in_fcp_region [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure is_in_fcp_region [2023-12-02 13:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 13:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure bm_work [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_work [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure try_cancel_split_timeout [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure try_cancel_split_timeout [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure is_fcp_request [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fcp_request [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_get [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_get [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 13:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 13:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_queue_flush [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_queue_flush [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure iso_dma_direction [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_dma_direction [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_op_ioctl [2023-12-02 13:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_op_ioctl [2023-12-02 13:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure client_get [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure client_get [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_send_broadcast_request [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_send_broadcast_request [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_fw_device_idr [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_fw_device_idr [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_initiate_bus_reset [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_initiate_bus_reset [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_phy_packet_callback [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_phy_packet_callback [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:23:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:23:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_queue_iso [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_queue_iso [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_set_iso_channels [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_set_iso_channels [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure unit_match [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_match [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure br_work [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure br_work [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure fw_cancel_transaction [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_cancel_transaction [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 13:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 13:23:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure show_text_leaf [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure show_text_leaf [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 13:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 13:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_send_stream_packet [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_send_stream_packet [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure modalias_show [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure modalias_show [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_send_request [2023-12-02 13:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_send_request [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 13:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure fw_csr_iterator_init [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_csr_iterator_init [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_set_broadcast_channel [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_set_broadcast_channel [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_set_iso_channels [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_set_iso_channels [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure read_config_rom [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure read_config_rom [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure handle_low_memory [2023-12-02 13:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_low_memory [2023-12-02 13:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_send_response [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_send_response [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure for_each_fw_node [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure for_each_fw_node [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___0 [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___0 [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___1 [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___1 [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure handle_exclusive_region_request [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_exclusive_region_request [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_phy_config_mutex [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_phy_config_mutex [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_client_list_mutex_of_fw_device [2023-12-02 13:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_client_list_mutex_of_fw_device [2023-12-02 13:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure iso_resource_work [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_resource_work [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure fw_schedule_bm_work [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_schedule_bm_work [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure create_units [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure create_units [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure show_immediate [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure show_immediate [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-12-02 13:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure is_local_show [2023-12-02 13:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_local_show [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure fw_unit_probe [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_unit_probe [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_flush_iso_completions [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_flush_iso_completions [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure init_iso_resource [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init_iso_resource [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure fw_parent_device [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_parent_device [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-12-02 13:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 13:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure fw_node_event [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_node_event [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_descriptor [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_descriptor [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure fw_unit_uevent [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_unit_uevent [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 13:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-12-02 13:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_request [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_request [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure set_broadcast_channel [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_broadcast_channel [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-12-02 13:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure reread_config_rom [2023-12-02 13:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reread_config_rom [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_deallocate_iso_resource [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_deallocate_iso_resource [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_channel [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_channel [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_cdev_remove [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_cdev_remove [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___0 [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___0 [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___1 [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___1 [2023-12-02 13:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure for_each_client [2023-12-02 13:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure for_each_client [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_if_iso_resource [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_if_iso_resource [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_100 [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_100 [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure close_transaction [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure close_transaction [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure fw_compute_block_crc [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_compute_block_crc [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 13:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 13:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure init_request [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure init_request [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure release_request [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure release_request [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_update_phy_reg [2023-12-02 13:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_update_phy_reg [2023-12-02 13:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure split_transaction_timeout_callback [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure split_transaction_timeout_callback [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_set_channels [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_set_channels [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_send_response [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_send_response [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_map_dma [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_map_dma [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_client_list_mutex_of_fw_device [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_client_list_mutex_of_fw_device [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_iso_resource [2023-12-02 13:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_iso_resource [2023-12-02 13:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure fw_fill_response [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_fill_response [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_start [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_start [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_destroy [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_destroy [2023-12-02 13:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-12-02 13:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_17 [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_17 [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_enable_phys_dma [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_enable_phys_dma [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure fw_unit_release [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_unit_release [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_unit [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_unit [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 13:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 13:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure fw_destroy_nodes [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_destroy_nodes [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure fw_device_shutdown [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_device_shutdown [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-12-02 13:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-12-02 13:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 13:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_modalias_ids [2023-12-02 13:23:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_modalias_ids [2023-12-02 13:23:29,147 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:23:29,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:23:29,607 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 13:23:33,062 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,062 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:33,062 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6642: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6642: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_4#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6634: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6634: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_8#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_1#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6695: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret368#1 && __copy_from_user_nocheck_#t~ret368#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~5#1 := __copy_from_user_nocheck_#t~ret368#1;havoc __copy_from_user_nocheck_#t~ret368#1; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_10#1: SUMMARY for call __copy_from_user_nocheck_#t~ret367#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_switch_default#1: SUMMARY for call __copy_from_user_nocheck_#t~ret369#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:33,063 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_2#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6638: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6638: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret367#1 && __copy_from_user_nocheck_#t~ret367#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~14#1 := __copy_from_user_nocheck_#t~ret367#1;havoc __copy_from_user_nocheck_#t~ret367#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6697: assume 0 != __copy_from_user_nocheck_~tmp___1~5#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6697: assume !(0 != __copy_from_user_nocheck_~tmp___1~5#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_16#1: SUMMARY for call __copy_from_user_nocheck_#t~ret368#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6682: assume 0 != __copy_from_user_nocheck_~tmp___0~14#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6682: assume !(0 != __copy_from_user_nocheck_~tmp___0~14#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~3#1; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6707: __copy_from_user_nocheck_~tmp___2~4#1 := __copy_from_user_nocheck_#t~ret369#1;havoc __copy_from_user_nocheck_#t~ret369#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~4#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~4#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~4#1 % 18446744073709551616 % 4294967296 - 4294967296); [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2023-12-02 13:23:33,064 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2023-12-02 13:23:44,447 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:23:47,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:23:47,483 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 13:23:47,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:23:47 BoogieIcfgContainer [2023-12-02 13:23:47,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:23:47,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:23:47,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:23:47,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:23:47,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:23:18" (1/3) ... [2023-12-02 13:23:47,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd7f55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:23:47, skipping insertion in model container [2023-12-02 13:23:47,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:23:26" (2/3) ... [2023-12-02 13:23:47,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd7f55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:23:47, skipping insertion in model container [2023-12-02 13:23:47,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:23:47" (3/3) ... [2023-12-02 13:23:47,495 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--firewire--firewire-core.ko.cil.i [2023-12-02 13:23:47,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:23:47,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-12-02 13:23:47,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:23:47,634 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=LoopHeads, 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;@2c811018, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:23:47,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-12-02 13:23:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 4019 states, 2339 states have (on average 1.3236425823001283) internal successors, (3096), 2520 states have internal predecessors, (3096), 1288 states have call successors, (1288), 350 states have call predecessors, (1288), 349 states have return successors, (1280), 1229 states have call predecessors, (1280), 1280 states have call successors, (1280) [2023-12-02 13:23:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 13:23:47,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:23:47,662 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 13:23:47,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:23:47,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:23:47,668 INFO L85 PathProgramCache]: Analyzing trace with hash 352067195, now seen corresponding path program 1 times [2023-12-02 13:23:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:23:47,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774387666] [2023-12-02 13:23:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:23:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:23:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:23:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 13:23:49,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:23:49,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774387666] [2023-12-02 13:23:49,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774387666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:23:49,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:23:49,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:23:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896251743] [2023-12-02 13:23:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:23:49,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:23:49,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:23:49,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:23:49,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:23:49,322 INFO L87 Difference]: Start difference. First operand has 4019 states, 2339 states have (on average 1.3236425823001283) internal successors, (3096), 2520 states have internal predecessors, (3096), 1288 states have call successors, (1288), 350 states have call predecessors, (1288), 349 states have return successors, (1280), 1229 states have call predecessors, (1280), 1280 states have call successors, (1280) Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:23:55,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:23:56,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:23:57,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:01,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:04,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:06,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:08,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:10,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:12,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:14,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:16,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:16,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:24:16,793 INFO L93 Difference]: Finished difference Result 11977 states and 17869 transitions. [2023-12-02 13:24:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:24:16,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-12-02 13:24:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:24:16,874 INFO L225 Difference]: With dead ends: 11977 [2023-12-02 13:24:16,874 INFO L226 Difference]: Without dead ends: 7947 [2023-12-02 13:24:16,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:24:16,914 INFO L413 NwaCegarLoop]: 5316 mSDtfsCounter, 5602 mSDsluCounter, 15573 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5603 SdHoareTripleChecker+Valid, 20889 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:24:16,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5603 Valid, 20889 Invalid, 2494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2485 Invalid, 7 Unknown, 0 Unchecked, 26.8s Time] [2023-12-02 13:24:16,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7947 states. [2023-12-02 13:24:17,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7947 to 7861. [2023-12-02 13:24:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7861 states, 4597 states have (on average 1.303676310637372) internal successors, (5993), 4902 states have internal predecessors, (5993), 2528 states have call successors, (2528), 696 states have call predecessors, (2528), 695 states have return successors, (2526), 2423 states have call predecessors, (2526), 2526 states have call successors, (2526) [2023-12-02 13:24:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7861 states to 7861 states and 11047 transitions. [2023-12-02 13:24:17,470 INFO L78 Accepts]: Start accepts. Automaton has 7861 states and 11047 transitions. Word has length 36 [2023-12-02 13:24:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:24:17,470 INFO L495 AbstractCegarLoop]: Abstraction has 7861 states and 11047 transitions. [2023-12-02 13:24:17,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:24:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7861 states and 11047 transitions. [2023-12-02 13:24:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 13:24:17,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:24:17,474 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:24:17,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:24:17,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:24:17,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:24:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1822294529, now seen corresponding path program 1 times [2023-12-02 13:24:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:24:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081647400] [2023-12-02 13:24:17,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:24:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:24:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:24:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:24:18,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:24:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081647400] [2023-12-02 13:24:18,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081647400] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:24:18,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:24:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:24:18,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662141220] [2023-12-02 13:24:18,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:24:18,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:24:18,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:24:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:24:18,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:24:18,718 INFO L87 Difference]: Start difference. First operand 7861 states and 11047 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 13:24:24,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:25,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:28,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:30,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:30,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:24:30,681 INFO L93 Difference]: Finished difference Result 7861 states and 11047 transitions. [2023-12-02 13:24:30,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:24:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2023-12-02 13:24:30,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:24:30,726 INFO L225 Difference]: With dead ends: 7861 [2023-12-02 13:24:30,726 INFO L226 Difference]: Without dead ends: 7859 [2023-12-02 13:24:30,730 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 [2023-12-02 13:24:30,731 INFO L413 NwaCegarLoop]: 4991 mSDtfsCounter, 5571 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 9982 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:24:30,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5571 Valid, 9982 Invalid, 1192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2023-12-02 13:24:30,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7859 states. [2023-12-02 13:24:31,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7859 to 7859. [2023-12-02 13:24:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7859 states, 4596 states have (on average 1.303307223672759) internal successors, (5990), 4900 states have internal predecessors, (5990), 2528 states have call successors, (2528), 696 states have call predecessors, (2528), 695 states have return successors, (2526), 2423 states have call predecessors, (2526), 2526 states have call successors, (2526) [2023-12-02 13:24:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7859 states to 7859 states and 11044 transitions. [2023-12-02 13:24:31,086 INFO L78 Accepts]: Start accepts. Automaton has 7859 states and 11044 transitions. Word has length 48 [2023-12-02 13:24:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:24:31,087 INFO L495 AbstractCegarLoop]: Abstraction has 7859 states and 11044 transitions. [2023-12-02 13:24:31,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 13:24:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 7859 states and 11044 transitions. [2023-12-02 13:24:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 13:24:31,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:24:31,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:24:31,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:24:31,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:24:31,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:24:31,091 INFO L85 PathProgramCache]: Analyzing trace with hash -937281764, now seen corresponding path program 1 times [2023-12-02 13:24:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:24:31,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559930788] [2023-12-02 13:24:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:24:31,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:24:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:24:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 13:24:32,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:24:32,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559930788] [2023-12-02 13:24:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559930788] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:24:32,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:24:32,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:24:32,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260972277] [2023-12-02 13:24:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:24:32,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:24:32,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:24:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:24:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:24:32,072 INFO L87 Difference]: Start difference. First operand 7859 states and 11044 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:24:38,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:39,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:41,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:44,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:46,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:24:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:24:48,510 INFO L93 Difference]: Finished difference Result 7859 states and 11044 transitions. [2023-12-02 13:24:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:24:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2023-12-02 13:24:48,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:24:48,552 INFO L225 Difference]: With dead ends: 7859 [2023-12-02 13:24:48,552 INFO L226 Difference]: Without dead ends: 7857 [2023-12-02 13:24:48,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:24:48,557 INFO L413 NwaCegarLoop]: 4987 mSDtfsCounter, 5576 mSDsluCounter, 9970 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5577 SdHoareTripleChecker+Valid, 14957 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:24:48,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5577 Valid, 14957 Invalid, 1794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1791 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2023-12-02 13:24:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7857 states. [2023-12-02 13:24:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7857 to 7857. [2023-12-02 13:24:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7857 states, 4595 states have (on average 1.3029379760609359) internal successors, (5987), 4898 states have internal predecessors, (5987), 2528 states have call successors, (2528), 696 states have call predecessors, (2528), 695 states have return successors, (2526), 2423 states have call predecessors, (2526), 2526 states have call successors, (2526) [2023-12-02 13:24:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7857 states to 7857 states and 11041 transitions. [2023-12-02 13:24:48,897 INFO L78 Accepts]: Start accepts. Automaton has 7857 states and 11041 transitions. Word has length 51 [2023-12-02 13:24:48,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:24:48,897 INFO L495 AbstractCegarLoop]: Abstraction has 7857 states and 11041 transitions. [2023-12-02 13:24:48,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:24:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7857 states and 11041 transitions. [2023-12-02 13:24:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 13:24:48,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:24:48,900 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 13:24:48,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:24:48,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:24:48,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:24:48,901 INFO L85 PathProgramCache]: Analyzing trace with hash 565992165, now seen corresponding path program 1 times [2023-12-02 13:24:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:24:48,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535898977] [2023-12-02 13:24:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:24:48,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:24:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:24:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:24:50,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:24:50,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535898977] [2023-12-02 13:24:50,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535898977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:24:50,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:24:50,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 13:24:50,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105990075] [2023-12-02 13:24:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:24:50,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 13:24:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:24:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 13:24:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:24:50,526 INFO L87 Difference]: Start difference. First operand 7857 states and 11041 transitions. Second operand has 11 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-12-02 13:25:07,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:09,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:11,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:15,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:19,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:21,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:23,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:25,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:27,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:29,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:31,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:33,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:35,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:37,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:25:37,787 INFO L93 Difference]: Finished difference Result 11677 states and 16355 transitions. [2023-12-02 13:25:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 13:25:37,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 51 [2023-12-02 13:25:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:25:37,844 INFO L225 Difference]: With dead ends: 11677 [2023-12-02 13:25:37,845 INFO L226 Difference]: Without dead ends: 7890 [2023-12-02 13:25:37,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:25:37,867 INFO L413 NwaCegarLoop]: 4956 mSDtfsCounter, 15 mSDsluCounter, 44510 mSDsCounter, 0 mSdLazyCounter, 6371 mSolverCounterSat, 52 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 49466 SdHoareTripleChecker+Invalid, 6433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 6371 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:25:37,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 49466 Invalid, 6433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 6371 Invalid, 10 Unknown, 0 Unchecked, 46.7s Time] [2023-12-02 13:25:37,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7890 states. [2023-12-02 13:25:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7890 to 7866. [2023-12-02 13:25:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7866 states, 4600 states have (on average 1.3026086956521739) internal successors, (5992), 4903 states have internal predecessors, (5992), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 695 states have return successors, (2530), 2427 states have call predecessors, (2530), 2530 states have call successors, (2530) [2023-12-02 13:25:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7866 states to 7866 states and 11054 transitions. [2023-12-02 13:25:38,395 INFO L78 Accepts]: Start accepts. Automaton has 7866 states and 11054 transitions. Word has length 51 [2023-12-02 13:25:38,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:25:38,395 INFO L495 AbstractCegarLoop]: Abstraction has 7866 states and 11054 transitions. [2023-12-02 13:25:38,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-12-02 13:25:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 7866 states and 11054 transitions. [2023-12-02 13:25:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 13:25:38,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:25:38,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:25:38,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:25:38,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:25:38,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:25:38,399 INFO L85 PathProgramCache]: Analyzing trace with hash 846287050, now seen corresponding path program 1 times [2023-12-02 13:25:38,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:25:38,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546437910] [2023-12-02 13:25:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:25:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:25:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:25:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:25:39,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:25:39,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546437910] [2023-12-02 13:25:39,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546437910] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:25:39,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:25:39,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:25:39,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385982810] [2023-12-02 13:25:39,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:25:39,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:25:39,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:25:39,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:25:39,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:25:39,325 INFO L87 Difference]: Start difference. First operand 7866 states and 11054 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2023-12-02 13:25:45,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:48,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:50,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:25:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:25:50,351 INFO L93 Difference]: Finished difference Result 7866 states and 11054 transitions. [2023-12-02 13:25:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:25:50,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-12-02 13:25:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:25:50,382 INFO L225 Difference]: With dead ends: 7866 [2023-12-02 13:25:50,382 INFO L226 Difference]: Without dead ends: 7864 [2023-12-02 13:25:50,386 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 [2023-12-02 13:25:50,387 INFO L413 NwaCegarLoop]: 4987 mSDtfsCounter, 5566 mSDsluCounter, 4987 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5566 SdHoareTripleChecker+Valid, 9974 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:25:50,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5566 Valid, 9974 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2023-12-02 13:25:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7864 states. [2023-12-02 13:25:50,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7864 to 7864. [2023-12-02 13:25:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7864 states, 4599 states have (on average 1.3022396173081106) internal successors, (5989), 4901 states have internal predecessors, (5989), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 695 states have return successors, (2530), 2427 states have call predecessors, (2530), 2530 states have call successors, (2530) [2023-12-02 13:25:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7864 states to 7864 states and 11051 transitions. [2023-12-02 13:25:50,865 INFO L78 Accepts]: Start accepts. Automaton has 7864 states and 11051 transitions. Word has length 53 [2023-12-02 13:25:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:25:50,866 INFO L495 AbstractCegarLoop]: Abstraction has 7864 states and 11051 transitions. [2023-12-02 13:25:50,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2023-12-02 13:25:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 7864 states and 11051 transitions. [2023-12-02 13:25:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 13:25:50,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:25:50,868 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 13:25:50,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:25:50,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:25:50,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:25:50,868 INFO L85 PathProgramCache]: Analyzing trace with hash -694193907, now seen corresponding path program 1 times [2023-12-02 13:25:50,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:25:50,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081051662] [2023-12-02 13:25:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:25:50,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:25:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:25:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 13:25:53,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:25:53,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081051662] [2023-12-02 13:25:53,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081051662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:25:53,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:25:53,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:25:53,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876500853] [2023-12-02 13:25:53,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:25:53,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:25:53,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:25:53,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:25:53,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:25:53,114 INFO L87 Difference]: Start difference. First operand 7864 states and 11051 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 13:26:01,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:03,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:06,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:08,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:10,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:12,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:26:13,128 INFO L93 Difference]: Finished difference Result 15719 states and 22100 transitions. [2023-12-02 13:26:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:26:13,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2023-12-02 13:26:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:26:13,152 INFO L225 Difference]: With dead ends: 15719 [2023-12-02 13:26:13,153 INFO L226 Difference]: Without dead ends: 7870 [2023-12-02 13:26:13,176 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 [2023-12-02 13:26:13,177 INFO L413 NwaCegarLoop]: 4988 mSDtfsCounter, 0 mSDsluCounter, 14962 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19950 SdHoareTripleChecker+Invalid, 2385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:26:13,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19950 Invalid, 2385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2381 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2023-12-02 13:26:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7870 states. [2023-12-02 13:26:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7870 to 7868. [2023-12-02 13:26:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7868 states, 4602 states have (on average 1.3020425901781834) internal successors, (5992), 4904 states have internal predecessors, (5992), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:26:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7868 states to 7868 states and 11062 transitions. [2023-12-02 13:26:13,515 INFO L78 Accepts]: Start accepts. Automaton has 7868 states and 11062 transitions. Word has length 56 [2023-12-02 13:26:13,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:26:13,515 INFO L495 AbstractCegarLoop]: Abstraction has 7868 states and 11062 transitions. [2023-12-02 13:26:13,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 13:26:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7868 states and 11062 transitions. [2023-12-02 13:26:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 13:26:13,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:26:13,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:26:13,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:26:13,517 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:26:13,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:26:13,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1517763142, now seen corresponding path program 1 times [2023-12-02 13:26:13,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:26:13,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34361320] [2023-12-02 13:26:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:26:13,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:26:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:26:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:26:14,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:26:14,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34361320] [2023-12-02 13:26:14,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34361320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:26:14,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:26:14,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:26:14,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498783708] [2023-12-02 13:26:14,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:26:14,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:26:14,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:26:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:26:14,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:26:14,230 INFO L87 Difference]: Start difference. First operand 7868 states and 11062 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2023-12-02 13:26:19,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:22,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:24,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:26:24,508 INFO L93 Difference]: Finished difference Result 7868 states and 11062 transitions. [2023-12-02 13:26:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:26:24,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2023-12-02 13:26:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:26:24,533 INFO L225 Difference]: With dead ends: 7868 [2023-12-02 13:26:24,533 INFO L226 Difference]: Without dead ends: 7866 [2023-12-02 13:26:24,537 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 [2023-12-02 13:26:24,537 INFO L413 NwaCegarLoop]: 4985 mSDtfsCounter, 5563 mSDsluCounter, 4985 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5563 SdHoareTripleChecker+Valid, 9970 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:26:24,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5563 Valid, 9970 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2023-12-02 13:26:24,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7866 states. [2023-12-02 13:26:24,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7866 to 7866. [2023-12-02 13:26:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7866 states, 4601 states have (on average 1.3016735492284286) internal successors, (5989), 4902 states have internal predecessors, (5989), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:26:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7866 states to 7866 states and 11059 transitions. [2023-12-02 13:26:25,028 INFO L78 Accepts]: Start accepts. Automaton has 7866 states and 11059 transitions. Word has length 58 [2023-12-02 13:26:25,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:26:25,029 INFO L495 AbstractCegarLoop]: Abstraction has 7866 states and 11059 transitions. [2023-12-02 13:26:25,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2023-12-02 13:26:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7866 states and 11059 transitions. [2023-12-02 13:26:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 13:26:25,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:26:25,031 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:26:25,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:26:25,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:26:25,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:26:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1885069012, now seen corresponding path program 1 times [2023-12-02 13:26:25,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:26:25,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790977304] [2023-12-02 13:26:25,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:26:25,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:26:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:26:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:26:25,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:26:25,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790977304] [2023-12-02 13:26:25,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790977304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:26:25,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:26:25,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:26:25,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964550461] [2023-12-02 13:26:25,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:26:25,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:26:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:26:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:26:25,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:26:25,908 INFO L87 Difference]: Start difference. First operand 7866 states and 11059 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2023-12-02 13:26:31,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:33,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:35,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:26:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:26:36,046 INFO L93 Difference]: Finished difference Result 7866 states and 11059 transitions. [2023-12-02 13:26:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:26:36,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2023-12-02 13:26:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:26:36,079 INFO L225 Difference]: With dead ends: 7866 [2023-12-02 13:26:36,079 INFO L226 Difference]: Without dead ends: 7864 [2023-12-02 13:26:36,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:26:36,084 INFO L413 NwaCegarLoop]: 4983 mSDtfsCounter, 5560 mSDsluCounter, 4983 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5560 SdHoareTripleChecker+Valid, 9966 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:26:36,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5560 Valid, 9966 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2023-12-02 13:26:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7864 states. [2023-12-02 13:26:36,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7864 to 7864. [2023-12-02 13:26:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7864 states, 4600 states have (on average 1.301304347826087) internal successors, (5986), 4900 states have internal predecessors, (5986), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:26:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7864 states to 7864 states and 11056 transitions. [2023-12-02 13:26:36,557 INFO L78 Accepts]: Start accepts. Automaton has 7864 states and 11056 transitions. Word has length 63 [2023-12-02 13:26:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:26:36,557 INFO L495 AbstractCegarLoop]: Abstraction has 7864 states and 11056 transitions. [2023-12-02 13:26:36,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2023-12-02 13:26:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7864 states and 11056 transitions. [2023-12-02 13:26:36,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 13:26:36,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:26:36,559 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 13:26:36,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 13:26:36,559 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:26:36,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:26:36,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1747874029, now seen corresponding path program 1 times [2023-12-02 13:26:36,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:26:36,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993953361] [2023-12-02 13:26:36,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:26:36,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:26:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:26:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 13:26:38,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:26:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993953361] [2023-12-02 13:26:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993953361] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:26:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:26:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:26:38,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449303222] [2023-12-02 13:26:38,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:26:38,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:26:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:26:38,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:26:38,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:26:38,169 INFO L87 Difference]: Start difference. First operand 7864 states and 11056 transitions. Second operand has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2023-12-02 13:26:57,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:00,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:02,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:03,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:06,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:07,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:08,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:13,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:15,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:17,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:19,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:21,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:23,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:25,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:27,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:31,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:33,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:33,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:27:33,921 INFO L93 Difference]: Finished difference Result 11680 states and 16372 transitions. [2023-12-02 13:27:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:27:33,922 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 69 [2023-12-02 13:27:33,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:27:33,946 INFO L225 Difference]: With dead ends: 11680 [2023-12-02 13:27:33,946 INFO L226 Difference]: Without dead ends: 7897 [2023-12-02 13:27:33,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 13:27:33,960 INFO L413 NwaCegarLoop]: 4949 mSDtfsCounter, 15 mSDsluCounter, 49415 mSDsCounter, 0 mSdLazyCounter, 7020 mSolverCounterSat, 52 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 54364 SdHoareTripleChecker+Invalid, 7082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 7020 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:27:33,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 54364 Invalid, 7082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 7020 Invalid, 10 Unknown, 0 Unchecked, 55.0s Time] [2023-12-02 13:27:33,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7897 states. [2023-12-02 13:27:34,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7897 to 7864. [2023-12-02 13:27:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7864 states, 4600 states have (on average 1.301304347826087) internal successors, (5986), 4900 states have internal predecessors, (5986), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:27:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7864 states to 7864 states and 11056 transitions. [2023-12-02 13:27:34,420 INFO L78 Accepts]: Start accepts. Automaton has 7864 states and 11056 transitions. Word has length 69 [2023-12-02 13:27:34,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:27:34,421 INFO L495 AbstractCegarLoop]: Abstraction has 7864 states and 11056 transitions. [2023-12-02 13:27:34,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2023-12-02 13:27:34,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7864 states and 11056 transitions. [2023-12-02 13:27:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 13:27:34,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:27:34,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:27:34,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 13:27:34,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:27:34,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:27:34,422 INFO L85 PathProgramCache]: Analyzing trace with hash 883860204, now seen corresponding path program 1 times [2023-12-02 13:27:34,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:27:34,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848947936] [2023-12-02 13:27:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:27:34,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:27:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:27:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:27:35,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:27:35,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848947936] [2023-12-02 13:27:35,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848947936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:27:35,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:27:35,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:27:35,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214911861] [2023-12-02 13:27:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:27:35,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:27:35,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:27:35,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:27:35,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:27:35,070 INFO L87 Difference]: Start difference. First operand 7864 states and 11056 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2023-12-02 13:27:42,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:44,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:44,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:27:44,518 INFO L93 Difference]: Finished difference Result 7864 states and 11056 transitions. [2023-12-02 13:27:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:27:44,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2023-12-02 13:27:44,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:27:44,539 INFO L225 Difference]: With dead ends: 7864 [2023-12-02 13:27:44,539 INFO L226 Difference]: Without dead ends: 7862 [2023-12-02 13:27:44,543 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 [2023-12-02 13:27:44,543 INFO L413 NwaCegarLoop]: 4981 mSDtfsCounter, 5557 mSDsluCounter, 4981 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5557 SdHoareTripleChecker+Valid, 9962 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:27:44,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5557 Valid, 9962 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-12-02 13:27:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7862 states. [2023-12-02 13:27:44,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7862 to 7862. [2023-12-02 13:27:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 4599 states have (on average 1.3009349858664927) internal successors, (5983), 4898 states have internal predecessors, (5983), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:27:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11053 transitions. [2023-12-02 13:27:44,998 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11053 transitions. Word has length 68 [2023-12-02 13:27:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:27:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 7862 states and 11053 transitions. [2023-12-02 13:27:44,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2023-12-02 13:27:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11053 transitions. [2023-12-02 13:27:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 13:27:45,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:27:45,000 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:27:45,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 13:27:45,000 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:27:45,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:27:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1048999530, now seen corresponding path program 1 times [2023-12-02 13:27:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:27:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203836605] [2023-12-02 13:27:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:27:45,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:27:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:27:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:27:45,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:27:45,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203836605] [2023-12-02 13:27:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203836605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:27:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:27:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:27:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290874705] [2023-12-02 13:27:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:27:45,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:27:45,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:27:45,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:27:45,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:27:45,609 INFO L87 Difference]: Start difference. First operand 7862 states and 11053 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2023-12-02 13:27:55,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:56,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:27:58,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:01,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:04,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:06,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:08,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:10,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:12,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:28:12,631 INFO L93 Difference]: Finished difference Result 7936 states and 11094 transitions. [2023-12-02 13:28:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:28:12,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2023-12-02 13:28:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:28:12,658 INFO L225 Difference]: With dead ends: 7936 [2023-12-02 13:28:12,658 INFO L226 Difference]: Without dead ends: 7934 [2023-12-02 13:28:12,662 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 [2023-12-02 13:28:12,663 INFO L413 NwaCegarLoop]: 9714 mSDtfsCounter, 5545 mSDsluCounter, 14622 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5545 SdHoareTripleChecker+Valid, 24336 SdHoareTripleChecker+Invalid, 2906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:28:12,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5545 Valid, 24336 Invalid, 2906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2899 Invalid, 5 Unknown, 0 Unchecked, 26.4s Time] [2023-12-02 13:28:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2023-12-02 13:28:13,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 7862. [2023-12-02 13:28:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 4599 states have (on average 1.3007175472928898) internal successors, (5982), 4898 states have internal predecessors, (5982), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:28:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11052 transitions. [2023-12-02 13:28:13,094 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11052 transitions. Word has length 73 [2023-12-02 13:28:13,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:28:13,094 INFO L495 AbstractCegarLoop]: Abstraction has 7862 states and 11052 transitions. [2023-12-02 13:28:13,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2023-12-02 13:28:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11052 transitions. [2023-12-02 13:28:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 13:28:13,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:28:13,095 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:28:13,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 13:28:13,096 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:28:13,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:28:13,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1665886418, now seen corresponding path program 1 times [2023-12-02 13:28:13,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:28:13,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424017723] [2023-12-02 13:28:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:28:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:28:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:28:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:28:13,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:28:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424017723] [2023-12-02 13:28:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424017723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:28:13,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:28:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:28:13,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062755934] [2023-12-02 13:28:13,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:28:13,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:28:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:28:13,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:28:13,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:28:13,722 INFO L87 Difference]: Start difference. First operand 7862 states and 11052 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2023-12-02 13:28:19,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:23,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:25,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:25,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:28:25,205 INFO L93 Difference]: Finished difference Result 7862 states and 11052 transitions. [2023-12-02 13:28:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:28:25,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2023-12-02 13:28:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:28:25,223 INFO L225 Difference]: With dead ends: 7862 [2023-12-02 13:28:25,223 INFO L226 Difference]: Without dead ends: 7860 [2023-12-02 13:28:25,225 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 [2023-12-02 13:28:25,226 INFO L413 NwaCegarLoop]: 4979 mSDtfsCounter, 5553 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 9958 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:28:25,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 9958 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1189 Invalid, 3 Unknown, 0 Unchecked, 11.0s Time] [2023-12-02 13:28:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7860 states. [2023-12-02 13:28:25,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7860 to 7860. [2023-12-02 13:28:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7860 states, 4598 states have (on average 1.3003479773814701) internal successors, (5979), 4896 states have internal predecessors, (5979), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:28:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7860 states to 7860 states and 11049 transitions. [2023-12-02 13:28:25,716 INFO L78 Accepts]: Start accepts. Automaton has 7860 states and 11049 transitions. Word has length 78 [2023-12-02 13:28:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:28:25,716 INFO L495 AbstractCegarLoop]: Abstraction has 7860 states and 11049 transitions. [2023-12-02 13:28:25,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2023-12-02 13:28:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 7860 states and 11049 transitions. [2023-12-02 13:28:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 13:28:25,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:28:25,717 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:28:25,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 13:28:25,718 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:28:25,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:28:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash 631137333, now seen corresponding path program 1 times [2023-12-02 13:28:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:28:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126619869] [2023-12-02 13:28:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:28:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:28:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:28:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:28:26,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:28:26,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126619869] [2023-12-02 13:28:26,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126619869] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:28:26,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:28:26,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:28:26,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729817924] [2023-12-02 13:28:26,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:28:26,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:28:26,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:28:26,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:28:26,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:28:26,320 INFO L87 Difference]: Start difference. First operand 7860 states and 11049 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, (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) [2023-12-02 13:28:31,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:34,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:36,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:36,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:28:36,913 INFO L93 Difference]: Finished difference Result 7860 states and 11049 transitions. [2023-12-02 13:28:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:28:36,913 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, (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 83 [2023-12-02 13:28:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:28:36,932 INFO L225 Difference]: With dead ends: 7860 [2023-12-02 13:28:36,932 INFO L226 Difference]: Without dead ends: 7858 [2023-12-02 13:28:36,934 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 [2023-12-02 13:28:36,935 INFO L413 NwaCegarLoop]: 4977 mSDtfsCounter, 5550 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5550 SdHoareTripleChecker+Valid, 9953 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:28:36,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5550 Valid, 9953 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1191 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2023-12-02 13:28:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7858 states. [2023-12-02 13:28:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7858 to 7858. [2023-12-02 13:28:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7858 states, 4597 states have (on average 1.299978246682619) internal successors, (5976), 4894 states have internal predecessors, (5976), 2532 states have call successors, (2532), 696 states have call predecessors, (2532), 696 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:28:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7858 states to 7858 states and 11046 transitions. [2023-12-02 13:28:37,426 INFO L78 Accepts]: Start accepts. Automaton has 7858 states and 11046 transitions. Word has length 83 [2023-12-02 13:28:37,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:28:37,427 INFO L495 AbstractCegarLoop]: Abstraction has 7858 states and 11046 transitions. [2023-12-02 13:28:37,427 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, (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) [2023-12-02 13:28:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 7858 states and 11046 transitions. [2023-12-02 13:28:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 13:28:37,428 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:28:37,428 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:28:37,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 13:28:37,428 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:28:37,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:28:37,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1492189472, now seen corresponding path program 1 times [2023-12-02 13:28:37,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:28:37,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353800103] [2023-12-02 13:28:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:28:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:28:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:28:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-02 13:28:38,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:28:38,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353800103] [2023-12-02 13:28:38,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353800103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:28:38,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:28:38,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:28:38,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453887725] [2023-12-02 13:28:38,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:28:38,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:28:38,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:28:38,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:28:38,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:28:38,477 INFO L87 Difference]: Start difference. First operand 7858 states and 11046 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 13:28:45,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:49,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:51,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:53,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:28:53,828 INFO L93 Difference]: Finished difference Result 7924 states and 11104 transitions. [2023-12-02 13:28:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:28:53,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2023-12-02 13:28:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:28:53,848 INFO L225 Difference]: With dead ends: 7924 [2023-12-02 13:28:53,848 INFO L226 Difference]: Without dead ends: 7922 [2023-12-02 13:28:53,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:28:53,851 INFO L413 NwaCegarLoop]: 4993 mSDtfsCounter, 5499 mSDsluCounter, 10044 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5502 SdHoareTripleChecker+Valid, 15037 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:28:53,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5502 Valid, 15037 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1832 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 13:28:53,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7922 states. [2023-12-02 13:28:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7922 to 7912. [2023-12-02 13:28:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7912 states, 4637 states have (on average 1.2995471209833944) internal successors, (6026), 4934 states have internal predecessors, (6026), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:28:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7912 states to 7912 states and 11096 transitions. [2023-12-02 13:28:54,373 INFO L78 Accepts]: Start accepts. Automaton has 7912 states and 11096 transitions. Word has length 87 [2023-12-02 13:28:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:28:54,373 INFO L495 AbstractCegarLoop]: Abstraction has 7912 states and 11096 transitions. [2023-12-02 13:28:54,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 13:28:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7912 states and 11096 transitions. [2023-12-02 13:28:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 13:28:54,375 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:28:54,375 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:28:54,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 13:28:54,375 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:28:54,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:28:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 932886392, now seen corresponding path program 1 times [2023-12-02 13:28:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:28:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66203758] [2023-12-02 13:28:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:28:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:28:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:28:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:28:55,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:28:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66203758] [2023-12-02 13:28:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66203758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:28:55,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:28:55,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:28:55,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35761771] [2023-12-02 13:28:55,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:28:55,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:28:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:28:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:28:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:28:55,021 INFO L87 Difference]: Start difference. First operand 7912 states and 11096 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2023-12-02 13:29:03,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:05,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:29:06,027 INFO L93 Difference]: Finished difference Result 7912 states and 11096 transitions. [2023-12-02 13:29:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:29:06,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2023-12-02 13:29:06,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:29:06,046 INFO L225 Difference]: With dead ends: 7912 [2023-12-02 13:29:06,046 INFO L226 Difference]: Without dead ends: 7910 [2023-12-02 13:29:06,049 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 [2023-12-02 13:29:06,050 INFO L413 NwaCegarLoop]: 4975 mSDtfsCounter, 5546 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 9950 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:29:06,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5546 Valid, 9950 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2023-12-02 13:29:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7910 states. [2023-12-02 13:29:06,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7910 to 7910. [2023-12-02 13:29:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7910 states, 4636 states have (on average 1.2991803278688525) internal successors, (6023), 4932 states have internal predecessors, (6023), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:29:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7910 states to 7910 states and 11093 transitions. [2023-12-02 13:29:06,598 INFO L78 Accepts]: Start accepts. Automaton has 7910 states and 11093 transitions. Word has length 85 [2023-12-02 13:29:06,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:29:06,598 INFO L495 AbstractCegarLoop]: Abstraction has 7910 states and 11093 transitions. [2023-12-02 13:29:06,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2023-12-02 13:29:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7910 states and 11093 transitions. [2023-12-02 13:29:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 13:29:06,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:29:06,600 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:29:06,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 13:29:06,600 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:29:06,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:29:06,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1763111913, now seen corresponding path program 1 times [2023-12-02 13:29:06,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:29:06,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972366741] [2023-12-02 13:29:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:29:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:29:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:29:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:29:07,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:29:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972366741] [2023-12-02 13:29:07,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972366741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:29:07,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:29:07,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:29:07,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97521197] [2023-12-02 13:29:07,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:29:07,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:29:07,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:29:07,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:29:07,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:29:07,344 INFO L87 Difference]: Start difference. First operand 7910 states and 11093 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2023-12-02 13:29:12,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:14,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:19,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:19,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:29:19,451 INFO L93 Difference]: Finished difference Result 7910 states and 11093 transitions. [2023-12-02 13:29:19,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:29:19,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2023-12-02 13:29:19,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:29:19,468 INFO L225 Difference]: With dead ends: 7910 [2023-12-02 13:29:19,468 INFO L226 Difference]: Without dead ends: 7908 [2023-12-02 13:29:19,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:29:19,470 INFO L413 NwaCegarLoop]: 4973 mSDtfsCounter, 5545 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5545 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:29:19,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5545 Valid, 9946 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 13:29:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7908 states. [2023-12-02 13:29:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7908 to 7908. [2023-12-02 13:29:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7908 states, 4635 states have (on average 1.2988133764832794) internal successors, (6020), 4930 states have internal predecessors, (6020), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:29:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7908 states to 7908 states and 11090 transitions. [2023-12-02 13:29:20,043 INFO L78 Accepts]: Start accepts. Automaton has 7908 states and 11090 transitions. Word has length 90 [2023-12-02 13:29:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:29:20,043 INFO L495 AbstractCegarLoop]: Abstraction has 7908 states and 11090 transitions. [2023-12-02 13:29:20,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2023-12-02 13:29:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7908 states and 11090 transitions. [2023-12-02 13:29:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 13:29:20,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:29:20,044 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:29:20,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 13:29:20,045 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:29:20,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:29:20,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1491076438, now seen corresponding path program 1 times [2023-12-02 13:29:20,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:29:20,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799230292] [2023-12-02 13:29:20,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:29:20,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:29:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:29:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:29:20,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:29:20,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799230292] [2023-12-02 13:29:20,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799230292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:29:20,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:29:20,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:29:20,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047340709] [2023-12-02 13:29:20,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:29:20,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:29:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:29:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:29:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:29:20,679 INFO L87 Difference]: Start difference. First operand 7908 states and 11090 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2023-12-02 13:29:27,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:30,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:32,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:29:32,478 INFO L93 Difference]: Finished difference Result 7908 states and 11090 transitions. [2023-12-02 13:29:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:29:32,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2023-12-02 13:29:32,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:29:32,497 INFO L225 Difference]: With dead ends: 7908 [2023-12-02 13:29:32,497 INFO L226 Difference]: Without dead ends: 7906 [2023-12-02 13:29:32,500 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 [2023-12-02 13:29:32,500 INFO L413 NwaCegarLoop]: 4970 mSDtfsCounter, 5542 mSDsluCounter, 4970 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5542 SdHoareTripleChecker+Valid, 9940 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:29:32,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5542 Valid, 9940 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1191 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2023-12-02 13:29:32,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2023-12-02 13:29:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 7906. [2023-12-02 13:29:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7906 states, 4634 states have (on average 1.2984462667242123) internal successors, (6017), 4928 states have internal predecessors, (6017), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:29:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7906 states to 7906 states and 11087 transitions. [2023-12-02 13:29:33,156 INFO L78 Accepts]: Start accepts. Automaton has 7906 states and 11087 transitions. Word has length 95 [2023-12-02 13:29:33,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:29:33,156 INFO L495 AbstractCegarLoop]: Abstraction has 7906 states and 11087 transitions. [2023-12-02 13:29:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2023-12-02 13:29:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7906 states and 11087 transitions. [2023-12-02 13:29:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 13:29:33,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:29:33,158 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:29:33,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 13:29:33,158 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:29:33,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:29:33,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1769415404, now seen corresponding path program 1 times [2023-12-02 13:29:33,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:29:33,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146169278] [2023-12-02 13:29:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:29:33,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:29:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:29:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 13:29:33,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:29:33,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146169278] [2023-12-02 13:29:33,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146169278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:29:33,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:29:33,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:29:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195683145] [2023-12-02 13:29:33,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:29:33,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:29:33,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:29:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:29:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:29:33,961 INFO L87 Difference]: Start difference. First operand 7906 states and 11087 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 13:29:40,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:42,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:46,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:49,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:51,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:53,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:55,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:29:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:29:55,507 INFO L93 Difference]: Finished difference Result 7916 states and 11092 transitions. [2023-12-02 13:29:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:29:55,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2023-12-02 13:29:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:29:55,524 INFO L225 Difference]: With dead ends: 7916 [2023-12-02 13:29:55,524 INFO L226 Difference]: Without dead ends: 7914 [2023-12-02 13:29:55,526 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 [2023-12-02 13:29:55,527 INFO L413 NwaCegarLoop]: 4970 mSDtfsCounter, 74 mSDsluCounter, 14856 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 19826 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:29:55,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 19826 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2395 Invalid, 3 Unknown, 0 Unchecked, 20.7s Time] [2023-12-02 13:29:55,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7914 states. [2023-12-02 13:29:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7914 to 7906. [2023-12-02 13:29:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7906 states, 4634 states have (on average 1.2980146741476046) internal successors, (6015), 4928 states have internal predecessors, (6015), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:29:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7906 states to 7906 states and 11085 transitions. [2023-12-02 13:29:56,127 INFO L78 Accepts]: Start accepts. Automaton has 7906 states and 11085 transitions. Word has length 103 [2023-12-02 13:29:56,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:29:56,128 INFO L495 AbstractCegarLoop]: Abstraction has 7906 states and 11085 transitions. [2023-12-02 13:29:56,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 13:29:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7906 states and 11085 transitions. [2023-12-02 13:29:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:29:56,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:29:56,129 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:29:56,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 13:29:56,129 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:29:56,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:29:56,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1848882751, now seen corresponding path program 1 times [2023-12-02 13:29:56,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:29:56,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216537307] [2023-12-02 13:29:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:29:56,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:29:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:29:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:29:56,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:29:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216537307] [2023-12-02 13:29:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216537307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:29:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:29:56,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:29:56,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767755601] [2023-12-02 13:29:56,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:29:56,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:29:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:29:56,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:29:56,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:29:56,759 INFO L87 Difference]: Start difference. First operand 7906 states and 11085 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2023-12-02 13:30:03,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:05,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:30:08,151 INFO L93 Difference]: Finished difference Result 7906 states and 11085 transitions. [2023-12-02 13:30:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:30:08,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 100 [2023-12-02 13:30:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:30:08,171 INFO L225 Difference]: With dead ends: 7906 [2023-12-02 13:30:08,171 INFO L226 Difference]: Without dead ends: 7904 [2023-12-02 13:30:08,174 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 [2023-12-02 13:30:08,174 INFO L413 NwaCegarLoop]: 4969 mSDtfsCounter, 5539 mSDsluCounter, 4969 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 9938 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:30:08,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5539 Valid, 9938 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2023-12-02 13:30:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7904 states. [2023-12-02 13:30:08,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7904 to 7904. [2023-12-02 13:30:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 4633 states have (on average 1.2976473127563135) internal successors, (6012), 4926 states have internal predecessors, (6012), 2532 states have call successors, (2532), 710 states have call predecessors, (2532), 710 states have return successors, (2538), 2428 states have call predecessors, (2538), 2530 states have call successors, (2538) [2023-12-02 13:30:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11082 transitions. [2023-12-02 13:30:08,813 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11082 transitions. Word has length 100 [2023-12-02 13:30:08,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:30:08,814 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11082 transitions. [2023-12-02 13:30:08,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2023-12-02 13:30:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11082 transitions. [2023-12-02 13:30:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 13:30:08,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:30:08,816 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:30:08,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 13:30:08,816 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:30:08,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:30:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1516508928, now seen corresponding path program 1 times [2023-12-02 13:30:08,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:30:08,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212615427] [2023-12-02 13:30:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:30:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:30:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:30:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-02 13:30:09,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:30:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212615427] [2023-12-02 13:30:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212615427] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:30:09,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:30:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:30:09,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456256562] [2023-12-02 13:30:09,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:30:09,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:30:09,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:30:09,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:30:09,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:30:09,958 INFO L87 Difference]: Start difference. First operand 7904 states and 11082 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 13:30:21,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:23,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:25,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:30:25,785 INFO L93 Difference]: Finished difference Result 7962 states and 11126 transitions. [2023-12-02 13:30:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:30:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 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 107 [2023-12-02 13:30:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:30:25,802 INFO L225 Difference]: With dead ends: 7962 [2023-12-02 13:30:25,802 INFO L226 Difference]: Without dead ends: 7960 [2023-12-02 13:30:25,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:30:25,804 INFO L413 NwaCegarLoop]: 4979 mSDtfsCounter, 5429 mSDsluCounter, 10052 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5433 SdHoareTripleChecker+Valid, 15031 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:30:25,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5433 Valid, 15031 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1828 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2023-12-02 13:30:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7960 states. [2023-12-02 13:30:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7960 to 7958. [2023-12-02 13:30:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7958 states, 4663 states have (on average 1.296161269568947) internal successors, (6044), 4956 states have internal predecessors, (6044), 2536 states have call successors, (2536), 730 states have call predecessors, (2536), 730 states have return successors, (2542), 2432 states have call predecessors, (2542), 2534 states have call successors, (2542) [2023-12-02 13:30:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7958 states to 7958 states and 11122 transitions. [2023-12-02 13:30:26,470 INFO L78 Accepts]: Start accepts. Automaton has 7958 states and 11122 transitions. Word has length 107 [2023-12-02 13:30:26,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:30:26,471 INFO L495 AbstractCegarLoop]: Abstraction has 7958 states and 11122 transitions. [2023-12-02 13:30:26,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 13:30:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7958 states and 11122 transitions. [2023-12-02 13:30:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 13:30:26,472 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:30:26,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:30:26,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 13:30:26,473 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:30:26,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:30:26,473 INFO L85 PathProgramCache]: Analyzing trace with hash -810101425, now seen corresponding path program 1 times [2023-12-02 13:30:26,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:30:26,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925510653] [2023-12-02 13:30:26,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:30:26,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:30:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:30:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 13:30:27,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:30:27,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925510653] [2023-12-02 13:30:27,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925510653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:30:27,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:30:27,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:30:27,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422197672] [2023-12-02 13:30:27,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:30:27,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:30:27,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:30:27,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:30:27,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:30:27,184 INFO L87 Difference]: Start difference. First operand 7958 states and 11122 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, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:30:33,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:35,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:38,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:40,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:30:40,250 INFO L93 Difference]: Finished difference Result 7958 states and 11122 transitions. [2023-12-02 13:30:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:30:40,251 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, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2023-12-02 13:30:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:30:40,270 INFO L225 Difference]: With dead ends: 7958 [2023-12-02 13:30:40,270 INFO L226 Difference]: Without dead ends: 7956 [2023-12-02 13:30:40,273 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 [2023-12-02 13:30:40,273 INFO L413 NwaCegarLoop]: 4966 mSDtfsCounter, 5527 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 9932 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:30:40,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5527 Valid, 9932 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1192 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2023-12-02 13:30:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7956 states. [2023-12-02 13:30:40,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7956 to 7956. [2023-12-02 13:30:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7956 states, 4662 states have (on average 1.2953667953667953) internal successors, (6039), 4954 states have internal predecessors, (6039), 2536 states have call successors, (2536), 730 states have call predecessors, (2536), 730 states have return successors, (2542), 2432 states have call predecessors, (2542), 2534 states have call successors, (2542) [2023-12-02 13:30:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7956 states to 7956 states and 11117 transitions. [2023-12-02 13:30:40,974 INFO L78 Accepts]: Start accepts. Automaton has 7956 states and 11117 transitions. Word has length 113 [2023-12-02 13:30:40,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:30:40,974 INFO L495 AbstractCegarLoop]: Abstraction has 7956 states and 11117 transitions. [2023-12-02 13:30:40,974 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, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:30:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 7956 states and 11117 transitions. [2023-12-02 13:30:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 13:30:40,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:30:40,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:30:40,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 13:30:40,976 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:30:40,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:30:40,977 INFO L85 PathProgramCache]: Analyzing trace with hash 719560995, now seen corresponding path program 1 times [2023-12-02 13:30:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:30:40,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144907026] [2023-12-02 13:30:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:30:40,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:30:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:30:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:30:41,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:30:41,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144907026] [2023-12-02 13:30:41,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144907026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:30:41,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:30:41,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:30:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143898654] [2023-12-02 13:30:41,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:30:41,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:30:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:30:41,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:30:41,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:30:41,607 INFO L87 Difference]: Start difference. First operand 7956 states and 11117 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2023-12-02 13:30:47,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:48,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:53,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:55,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:57,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:30:58,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:30:58,572 INFO L93 Difference]: Finished difference Result 15599 states and 22257 transitions. [2023-12-02 13:30:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:30:58,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2023-12-02 13:30:58,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:30:58,623 INFO L225 Difference]: With dead ends: 15599 [2023-12-02 13:30:58,623 INFO L226 Difference]: Without dead ends: 15597 [2023-12-02 13:30:58,628 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 [2023-12-02 13:30:58,629 INFO L413 NwaCegarLoop]: 5185 mSDtfsCounter, 5387 mSDsluCounter, 10165 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5387 SdHoareTripleChecker+Valid, 15350 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:30:58,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5387 Valid, 15350 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1811 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2023-12-02 13:30:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15597 states. [2023-12-02 13:31:00,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15597 to 15444. [2023-12-02 13:31:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15444 states, 9062 states have (on average 1.2966232619730744) internal successors, (11750), 9601 states have internal predecessors, (11750), 4932 states have call successors, (4932), 1422 states have call predecessors, (4932), 1422 states have return successors, (5410), 4731 states have call predecessors, (5410), 4930 states have call successors, (5410) [2023-12-02 13:31:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15444 states to 15444 states and 22092 transitions. [2023-12-02 13:31:00,074 INFO L78 Accepts]: Start accepts. Automaton has 15444 states and 22092 transitions. Word has length 105 [2023-12-02 13:31:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:31:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 15444 states and 22092 transitions. [2023-12-02 13:31:00,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2023-12-02 13:31:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 15444 states and 22092 transitions. [2023-12-02 13:31:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 13:31:00,076 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:31:00,076 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:31:00,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 13:31:00,076 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:31:00,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:31:00,077 INFO L85 PathProgramCache]: Analyzing trace with hash 781358963, now seen corresponding path program 1 times [2023-12-02 13:31:00,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:31:00,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535941168] [2023-12-02 13:31:00,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:00,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:31:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 13:31:00,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:31:00,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535941168] [2023-12-02 13:31:00,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535941168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:31:00,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:31:00,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:31:00,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087263420] [2023-12-02 13:31:00,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:31:00,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:31:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:31:00,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:31:00,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:31:00,749 INFO L87 Difference]: Start difference. First operand 15444 states and 22092 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:31:08,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:10,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:31:11,318 INFO L93 Difference]: Finished difference Result 15444 states and 22092 transitions. [2023-12-02 13:31:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:31:11,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-12-02 13:31:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:31:11,353 INFO L225 Difference]: With dead ends: 15444 [2023-12-02 13:31:11,353 INFO L226 Difference]: Without dead ends: 15442 [2023-12-02 13:31:11,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:31:11,357 INFO L413 NwaCegarLoop]: 4965 mSDtfsCounter, 5525 mSDsluCounter, 4965 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5525 SdHoareTripleChecker+Valid, 9930 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:31:11,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5525 Valid, 9930 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-12-02 13:31:11,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15442 states. [2023-12-02 13:31:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15442 to 15442. [2023-12-02 13:31:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15442 states, 9061 states have (on average 1.295773093477541) internal successors, (11741), 9599 states have internal predecessors, (11741), 4932 states have call successors, (4932), 1422 states have call predecessors, (4932), 1422 states have return successors, (5410), 4731 states have call predecessors, (5410), 4930 states have call successors, (5410) [2023-12-02 13:31:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15442 states to 15442 states and 22083 transitions. [2023-12-02 13:31:12,731 INFO L78 Accepts]: Start accepts. Automaton has 15442 states and 22083 transitions. Word has length 109 [2023-12-02 13:31:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:31:12,731 INFO L495 AbstractCegarLoop]: Abstraction has 15442 states and 22083 transitions. [2023-12-02 13:31:12,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:31:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 15442 states and 22083 transitions. [2023-12-02 13:31:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 13:31:12,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:31:12,733 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:31:12,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 13:31:12,733 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:31:12,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:31:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash -7677144, now seen corresponding path program 1 times [2023-12-02 13:31:12,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:31:12,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281416575] [2023-12-02 13:31:12,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:12,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:31:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 13:31:13,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:31:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281416575] [2023-12-02 13:31:13,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281416575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:31:13,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:31:13,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:31:13,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074715244] [2023-12-02 13:31:13,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:31:13,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:31:13,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:31:13,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:31:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:31:13,575 INFO L87 Difference]: Start difference. First operand 15442 states and 22083 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 13:31:19,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:22,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:23,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:26,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:29,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:31,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:33,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:33,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:31:33,893 INFO L93 Difference]: Finished difference Result 15591 states and 22236 transitions. [2023-12-02 13:31:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:31:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2023-12-02 13:31:33,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:31:33,931 INFO L225 Difference]: With dead ends: 15591 [2023-12-02 13:31:33,931 INFO L226 Difference]: Without dead ends: 15589 [2023-12-02 13:31:33,936 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 [2023-12-02 13:31:33,936 INFO L413 NwaCegarLoop]: 5157 mSDtfsCounter, 5368 mSDsluCounter, 10136 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5368 SdHoareTripleChecker+Valid, 15293 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:31:33,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5368 Valid, 15293 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1799 Invalid, 3 Unknown, 0 Unchecked, 18.7s Time] [2023-12-02 13:31:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15589 states. [2023-12-02 13:31:35,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15589 to 15442. [2023-12-02 13:31:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15442 states, 9061 states have (on average 1.2953316410992164) internal successors, (11737), 9599 states have internal predecessors, (11737), 4932 states have call successors, (4932), 1422 states have call predecessors, (4932), 1422 states have return successors, (5410), 4731 states have call predecessors, (5410), 4930 states have call successors, (5410) [2023-12-02 13:31:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15442 states to 15442 states and 22079 transitions. [2023-12-02 13:31:35,313 INFO L78 Accepts]: Start accepts. Automaton has 15442 states and 22079 transitions. Word has length 123 [2023-12-02 13:31:35,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:31:35,314 INFO L495 AbstractCegarLoop]: Abstraction has 15442 states and 22079 transitions. [2023-12-02 13:31:35,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 13:31:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 15442 states and 22079 transitions. [2023-12-02 13:31:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 13:31:35,316 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:31:35,316 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:31:35,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 13:31:35,316 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:31:35,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:31:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2039087191, now seen corresponding path program 1 times [2023-12-02 13:31:35,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:31:35,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208082120] [2023-12-02 13:31:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:31:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:31:35,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:31:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208082120] [2023-12-02 13:31:35,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208082120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:31:35,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:31:35,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:31:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943815114] [2023-12-02 13:31:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:31:35,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:31:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:31:35,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:31:35,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:31:35,970 INFO L87 Difference]: Start difference. First operand 15442 states and 22079 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2023-12-02 13:31:44,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:45,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:46,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:31:46,134 INFO L93 Difference]: Finished difference Result 15442 states and 22079 transitions. [2023-12-02 13:31:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:31:46,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2023-12-02 13:31:46,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:31:46,169 INFO L225 Difference]: With dead ends: 15442 [2023-12-02 13:31:46,169 INFO L226 Difference]: Without dead ends: 15440 [2023-12-02 13:31:46,173 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 [2023-12-02 13:31:46,173 INFO L413 NwaCegarLoop]: 4963 mSDtfsCounter, 5531 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5531 SdHoareTripleChecker+Valid, 9926 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:31:46,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5531 Valid, 9926 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2023-12-02 13:31:46,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15440 states. [2023-12-02 13:31:47,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15440 to 15440. [2023-12-02 13:31:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15440 states, 9060 states have (on average 1.2951434878587196) internal successors, (11734), 9597 states have internal predecessors, (11734), 4932 states have call successors, (4932), 1422 states have call predecessors, (4932), 1422 states have return successors, (5410), 4731 states have call predecessors, (5410), 4930 states have call successors, (5410) [2023-12-02 13:31:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15440 states to 15440 states and 22076 transitions. [2023-12-02 13:31:47,565 INFO L78 Accepts]: Start accepts. Automaton has 15440 states and 22076 transitions. Word has length 110 [2023-12-02 13:31:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:31:47,565 INFO L495 AbstractCegarLoop]: Abstraction has 15440 states and 22076 transitions. [2023-12-02 13:31:47,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2023-12-02 13:31:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15440 states and 22076 transitions. [2023-12-02 13:31:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 13:31:47,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:31:47,567 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:31:47,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 13:31:47,568 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:31:47,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:31:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1224481200, now seen corresponding path program 1 times [2023-12-02 13:31:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:31:47,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036235752] [2023-12-02 13:31:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:31:47,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:31:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:31:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 13:31:48,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:31:48,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036235752] [2023-12-02 13:31:48,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036235752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:31:48,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:31:48,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:31:48,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717888083] [2023-12-02 13:31:48,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:31:48,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:31:48,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:31:48,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:31:48,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:31:48,282 INFO L87 Difference]: Start difference. First operand 15440 states and 22076 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:31:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:57,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:31:59,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:32:00,110 INFO L93 Difference]: Finished difference Result 15440 states and 22076 transitions. [2023-12-02 13:32:00,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:32:00,111 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2023-12-02 13:32:00,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:32:00,146 INFO L225 Difference]: With dead ends: 15440 [2023-12-02 13:32:00,146 INFO L226 Difference]: Without dead ends: 15438 [2023-12-02 13:32:00,150 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 [2023-12-02 13:32:00,150 INFO L413 NwaCegarLoop]: 4961 mSDtfsCounter, 5515 mSDsluCounter, 4961 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5515 SdHoareTripleChecker+Valid, 9922 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:32:00,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5515 Valid, 9922 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 13:32:00,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15438 states. [2023-12-02 13:32:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15438 to 15438. [2023-12-02 13:32:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15438 states, 9059 states have (on average 1.294292968318799) internal successors, (11725), 9595 states have internal predecessors, (11725), 4932 states have call successors, (4932), 1422 states have call predecessors, (4932), 1422 states have return successors, (5410), 4731 states have call predecessors, (5410), 4930 states have call successors, (5410) [2023-12-02 13:32:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 22067 transitions. [2023-12-02 13:32:01,574 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 22067 transitions. Word has length 119 [2023-12-02 13:32:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:32:01,575 INFO L495 AbstractCegarLoop]: Abstraction has 15438 states and 22067 transitions. [2023-12-02 13:32:01,575 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:32:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 22067 transitions. [2023-12-02 13:32:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 13:32:01,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:32:01,577 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:32:01,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 13:32:01,577 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:32:01,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:32:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -614714007, now seen corresponding path program 1 times [2023-12-02 13:32:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:32:01,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855397661] [2023-12-02 13:32:01,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:32:01,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:32:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:32:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 13:32:03,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:32:03,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855397661] [2023-12-02 13:32:03,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855397661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:32:03,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:32:03,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:32:03,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988004474] [2023-12-02 13:32:03,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:32:03,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:32:03,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:32:03,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:32:03,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:32:03,127 INFO L87 Difference]: Start difference. First operand 15438 states and 22067 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 11 states have internal predecessors, (50), 7 states have call successors, (22), 1 states have call predecessors, (22), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2023-12-02 13:32:17,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:19,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:20,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:21,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:23,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:25,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:26,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:28,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:29,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:41,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:43,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:45,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:47,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:49,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:51,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:53,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:55,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:57,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:32:59,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:01,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:33:02,575 INFO L93 Difference]: Finished difference Result 30540 states and 43444 transitions. [2023-12-02 13:33:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 13:33:02,576 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 11 states have internal predecessors, (50), 7 states have call successors, (22), 1 states have call predecessors, (22), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 120 [2023-12-02 13:33:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:33:02,614 INFO L225 Difference]: With dead ends: 30540 [2023-12-02 13:33:02,614 INFO L226 Difference]: Without dead ends: 15930 [2023-12-02 13:33:02,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2023-12-02 13:33:02,643 INFO L413 NwaCegarLoop]: 5019 mSDtfsCounter, 138 mSDsluCounter, 50002 mSDsCounter, 0 mSdLazyCounter, 7488 mSolverCounterSat, 82 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 55021 SdHoareTripleChecker+Invalid, 7581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 7488 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:33:02,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 55021 Invalid, 7581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [82 Valid, 7488 Invalid, 11 Unknown, 0 Unchecked, 57.3s Time] [2023-12-02 13:33:02,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15930 states. [2023-12-02 13:33:04,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15930 to 15600. [2023-12-02 13:33:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15600 states, 9149 states have (on average 1.291397966990928) internal successors, (11815), 9689 states have internal predecessors, (11815), 4968 states have call successors, (4968), 1458 states have call predecessors, (4968), 1458 states have return successors, (5446), 4763 states have call predecessors, (5446), 4966 states have call successors, (5446) [2023-12-02 13:33:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15600 states to 15600 states and 22229 transitions. [2023-12-02 13:33:04,132 INFO L78 Accepts]: Start accepts. Automaton has 15600 states and 22229 transitions. Word has length 120 [2023-12-02 13:33:04,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:33:04,133 INFO L495 AbstractCegarLoop]: Abstraction has 15600 states and 22229 transitions. [2023-12-02 13:33:04,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 11 states have internal predecessors, (50), 7 states have call successors, (22), 1 states have call predecessors, (22), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2023-12-02 13:33:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 15600 states and 22229 transitions. [2023-12-02 13:33:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 13:33:04,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:33:04,135 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:33:04,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 13:33:04,135 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:33:04,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:33:04,135 INFO L85 PathProgramCache]: Analyzing trace with hash 668164382, now seen corresponding path program 1 times [2023-12-02 13:33:04,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:33:04,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65294394] [2023-12-02 13:33:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:04,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:33:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:33:04,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:33:04,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65294394] [2023-12-02 13:33:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65294394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:33:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:33:04,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:33:04,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947458285] [2023-12-02 13:33:04,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:33:04,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:33:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:33:04,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:33:04,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:33:04,790 INFO L87 Difference]: Start difference. First operand 15600 states and 22229 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 13:33:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:17,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:22,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:24,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:26,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:28,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:30,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:32,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:34,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:33:35,291 INFO L93 Difference]: Finished difference Result 30134 states and 44267 transitions. [2023-12-02 13:33:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:33:35,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 116 [2023-12-02 13:33:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:33:35,370 INFO L225 Difference]: With dead ends: 30134 [2023-12-02 13:33:35,370 INFO L226 Difference]: Without dead ends: 30132 [2023-12-02 13:33:35,377 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 [2023-12-02 13:33:35,377 INFO L413 NwaCegarLoop]: 5381 mSDtfsCounter, 5258 mSDsluCounter, 15748 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 21129 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:33:35,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5260 Valid, 21129 Invalid, 2608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2596 Invalid, 8 Unknown, 0 Unchecked, 27.4s Time] [2023-12-02 13:33:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30132 states. [2023-12-02 13:33:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30132 to 29875. [2023-12-02 13:33:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29875 states, 17575 states have (on average 1.2950782361308677) internal successors, (22761), 18593 states have internal predecessors, (22761), 9452 states have call successors, (9452), 2831 states have call predecessors, (9452), 2823 states have return successors, (11799), 9043 states have call predecessors, (11799), 9450 states have call successors, (11799) [2023-12-02 13:33:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29875 states to 29875 states and 44012 transitions. [2023-12-02 13:33:38,510 INFO L78 Accepts]: Start accepts. Automaton has 29875 states and 44012 transitions. Word has length 116 [2023-12-02 13:33:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:33:38,510 INFO L495 AbstractCegarLoop]: Abstraction has 29875 states and 44012 transitions. [2023-12-02 13:33:38,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 13:33:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29875 states and 44012 transitions. [2023-12-02 13:33:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 13:33:38,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:33:38,512 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:33:38,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 13:33:38,512 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:33:38,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:33:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash -662655486, now seen corresponding path program 1 times [2023-12-02 13:33:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:33:38,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862142682] [2023-12-02 13:33:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:33:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:33:39,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:33:39,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862142682] [2023-12-02 13:33:39,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862142682] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:33:39,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:33:39,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:33:39,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200491192] [2023-12-02 13:33:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:33:39,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:33:39,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:33:39,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:33:39,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:33:39,226 INFO L87 Difference]: Start difference. First operand 29875 states and 44012 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 13:33:49,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:52,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:53,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:55,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:01,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:03,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:05,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:07,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:09,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:11,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:13,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:34:15,840 INFO L93 Difference]: Finished difference Result 59109 states and 95581 transitions. [2023-12-02 13:34:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:34:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 121 [2023-12-02 13:34:15,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:34:16,057 INFO L225 Difference]: With dead ends: 59109 [2023-12-02 13:34:16,057 INFO L226 Difference]: Without dead ends: 59107 [2023-12-02 13:34:16,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:34:16,077 INFO L413 NwaCegarLoop]: 5164 mSDtfsCounter, 5715 mSDsluCounter, 15355 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5716 SdHoareTripleChecker+Valid, 20519 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:34:16,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5716 Valid, 20519 Invalid, 2485 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2474 Invalid, 7 Unknown, 0 Unchecked, 30.4s Time] [2023-12-02 13:34:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59107 states. [2023-12-02 13:34:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59107 to 58966. [2023-12-02 13:34:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58966 states, 34716 states have (on average 1.296894803548796) internal successors, (45023), 36738 states have internal predecessors, (45023), 18649 states have call successors, (18649), 5608 states have call predecessors, (18649), 5576 states have return successors, (31775), 17792 states have call predecessors, (31775), 18647 states have call successors, (31775) [2023-12-02 13:34:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58966 states to 58966 states and 95447 transitions. [2023-12-02 13:34:23,016 INFO L78 Accepts]: Start accepts. Automaton has 58966 states and 95447 transitions. Word has length 121 [2023-12-02 13:34:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:34:23,017 INFO L495 AbstractCegarLoop]: Abstraction has 58966 states and 95447 transitions. [2023-12-02 13:34:23,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 13:34:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 58966 states and 95447 transitions. [2023-12-02 13:34:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 13:34:23,019 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:34:23,019 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:34:23,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 13:34:23,019 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:34:23,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:34:23,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2039548866, now seen corresponding path program 1 times [2023-12-02 13:34:23,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:34:23,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406329727] [2023-12-02 13:34:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:34:23,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:34:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:34:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-02 13:34:24,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:34:24,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406329727] [2023-12-02 13:34:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406329727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:34:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:34:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:34:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317621782] [2023-12-02 13:34:24,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:34:24,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:34:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:34:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:34:24,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:34:24,255 INFO L87 Difference]: Start difference. First operand 58966 states and 95447 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 13:34:37,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:39,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:44,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:46,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:48,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:50,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:52,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:34:52,878 INFO L93 Difference]: Finished difference Result 58968 states and 95448 transitions. [2023-12-02 13:34:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:34:52,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2023-12-02 13:34:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:34:53,136 INFO L225 Difference]: With dead ends: 58968 [2023-12-02 13:34:53,136 INFO L226 Difference]: Without dead ends: 58966 [2023-12-02 13:34:53,157 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 [2023-12-02 13:34:53,157 INFO L413 NwaCegarLoop]: 4960 mSDtfsCounter, 115 mSDsluCounter, 14787 mSDsCounter, 0 mSdLazyCounter, 2384 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 19747 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2384 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:34:53,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 19747 Invalid, 2389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2384 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2023-12-02 13:34:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58966 states. [2023-12-02 13:34:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58966 to 58966. [2023-12-02 13:34:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58966 states, 34716 states have (on average 1.2964339209586357) internal successors, (45007), 36738 states have internal predecessors, (45007), 18649 states have call successors, (18649), 5608 states have call predecessors, (18649), 5576 states have return successors, (31775), 17792 states have call predecessors, (31775), 18647 states have call successors, (31775) [2023-12-02 13:35:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58966 states to 58966 states and 95431 transitions. [2023-12-02 13:35:00,060 INFO L78 Accepts]: Start accepts. Automaton has 58966 states and 95431 transitions. Word has length 123 [2023-12-02 13:35:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:00,060 INFO L495 AbstractCegarLoop]: Abstraction has 58966 states and 95431 transitions. [2023-12-02 13:35:00,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 13:35:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 58966 states and 95431 transitions. [2023-12-02 13:35:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 13:35:00,062 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:00,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:00,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 13:35:00,062 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:35:00,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 757006018, now seen corresponding path program 1 times [2023-12-02 13:35:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:00,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084027291] [2023-12-02 13:35:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 13:35:00,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:00,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084027291] [2023-12-02 13:35:00,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084027291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:00,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:00,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:35:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14621162] [2023-12-02 13:35:00,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:00,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:35:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:35:00,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:35:00,906 INFO L87 Difference]: Start difference. First operand 58966 states and 95431 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) [2023-12-02 13:35:08,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:09,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:14,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:16,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:18,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:18,389 INFO L93 Difference]: Finished difference Result 58966 states and 95431 transitions. [2023-12-02 13:35:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:35:18,390 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 [2023-12-02 13:35:18,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:18,586 INFO L225 Difference]: With dead ends: 58966 [2023-12-02 13:35:18,586 INFO L226 Difference]: Without dead ends: 58964 [2023-12-02 13:35:18,603 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 [2023-12-02 13:35:18,604 INFO L413 NwaCegarLoop]: 4959 mSDtfsCounter, 5525 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5525 SdHoareTripleChecker+Valid, 9918 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:18,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5525 Valid, 9918 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2023-12-02 13:35:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58964 states. [2023-12-02 13:35:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58964 to 58964. [2023-12-02 13:35:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58964 states, 34715 states have (on average 1.2963560420567477) internal successors, (45003), 36736 states have internal predecessors, (45003), 18649 states have call successors, (18649), 5608 states have call predecessors, (18649), 5576 states have return successors, (31775), 17792 states have call predecessors, (31775), 18647 states have call successors, (31775) [2023-12-02 13:35:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58964 states to 58964 states and 95427 transitions. [2023-12-02 13:35:25,424 INFO L78 Accepts]: Start accepts. Automaton has 58964 states and 95427 transitions. Word has length 128 [2023-12-02 13:35:25,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:25,424 INFO L495 AbstractCegarLoop]: Abstraction has 58964 states and 95427 transitions. [2023-12-02 13:35:25,425 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) [2023-12-02 13:35:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 58964 states and 95427 transitions. [2023-12-02 13:35:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 13:35:25,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:25,427 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:25,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 13:35:25,428 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:35:25,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1896995084, now seen corresponding path program 1 times [2023-12-02 13:35:25,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:25,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805341963] [2023-12-02 13:35:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-12-02 13:35:26,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805341963] [2023-12-02 13:35:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805341963] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:35:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24677685] [2023-12-02 13:35:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:26,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:35:26,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:26,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:35:26,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:35:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:28,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 5507 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 13:35:28,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:35:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-12-02 13:35:28,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:35:28,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24677685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:28,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:35:28,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2023-12-02 13:35:28,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542152047] [2023-12-02 13:35:28,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:28,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:35:28,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:35:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:35:28,913 INFO L87 Difference]: Start difference. First operand 58964 states and 95427 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 13:35:42,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:44,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:46,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:52,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:54,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:56,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:35:58,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:00,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:02,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:05,392 INFO L93 Difference]: Finished difference Result 117079 states and 189629 transitions. [2023-12-02 13:36:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:36:05,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 147 [2023-12-02 13:36:05,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:05,621 INFO L225 Difference]: With dead ends: 117079 [2023-12-02 13:36:05,621 INFO L226 Difference]: Without dead ends: 58202 [2023-12-02 13:36:05,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:36:05,804 INFO L413 NwaCegarLoop]: 4942 mSDtfsCounter, 8 mSDsluCounter, 24628 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29570 SdHoareTripleChecker+Invalid, 3859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:05,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29570 Invalid, 3859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3850 Invalid, 6 Unknown, 0 Unchecked, 29.5s Time] [2023-12-02 13:36:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58202 states. [2023-12-02 13:36:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58202 to 58196. [2023-12-02 13:36:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58196 states, 34283 states have (on average 1.2973777090686347) internal successors, (44478), 36274 states have internal predecessors, (44478), 18369 states have call successors, (18369), 5552 states have call predecessors, (18369), 5520 states have return successors, (31468), 17529 states have call predecessors, (31468), 18367 states have call successors, (31468) [2023-12-02 13:36:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58196 states to 58196 states and 94315 transitions. [2023-12-02 13:36:13,041 INFO L78 Accepts]: Start accepts. Automaton has 58196 states and 94315 transitions. Word has length 147 [2023-12-02 13:36:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:13,041 INFO L495 AbstractCegarLoop]: Abstraction has 58196 states and 94315 transitions. [2023-12-02 13:36:13,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-02 13:36:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 58196 states and 94315 transitions. [2023-12-02 13:36:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 13:36:13,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:13,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:13,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:36:13,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832fd93b-ed2d-4d8f-adf2-12d0ce63a117/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-12-02 13:36:13,244 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:36:13,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash 15448361, now seen corresponding path program 1 times [2023-12-02 13:36:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:13,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828871762] [2023-12-02 13:36:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 13:36:13,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:13,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828871762] [2023-12-02 13:36:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828871762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:13,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:13,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:36:13,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5046160] [2023-12-02 13:36:13,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:13,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:36:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:13,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:36:13,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:36:13,884 INFO L87 Difference]: Start difference. First operand 58196 states and 94315 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) [2023-12-02 13:36:21,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:27,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:29,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:36:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:31,166 INFO L93 Difference]: Finished difference Result 58196 states and 94315 transitions. [2023-12-02 13:36:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:36:31,166 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 [2023-12-02 13:36:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:31,469 INFO L225 Difference]: With dead ends: 58196 [2023-12-02 13:36:31,469 INFO L226 Difference]: Without dead ends: 58194 [2023-12-02 13:36:31,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:36:31,489 INFO L413 NwaCegarLoop]: 4957 mSDtfsCounter, 5522 mSDsluCounter, 4957 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 9914 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:31,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 9914 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2023-12-02 13:36:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58194 states. [2023-12-02 13:36:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58194 to 58194. [2023-12-02 13:36:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58194 states, 34282 states have (on average 1.2972988740446882) internal successors, (44474), 36272 states have internal predecessors, (44474), 18369 states have call successors, (18369), 5552 states have call predecessors, (18369), 5520 states have return successors, (31468), 17529 states have call predecessors, (31468), 18367 states have call successors, (31468) [2023-12-02 13:36:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58194 states to 58194 states and 94311 transitions. [2023-12-02 13:36:38,584 INFO L78 Accepts]: Start accepts. Automaton has 58194 states and 94311 transitions. Word has length 133 [2023-12-02 13:36:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:38,584 INFO L495 AbstractCegarLoop]: Abstraction has 58194 states and 94311 transitions. [2023-12-02 13:36:38,584 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) [2023-12-02 13:36:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 58194 states and 94311 transitions. [2023-12-02 13:36:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 13:36:38,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:38,586 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:38,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 13:36:38,586 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2023-12-02 13:36:38,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash -261885444, now seen corresponding path program 1 times [2023-12-02 13:36:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:38,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197874556] [2023-12-02 13:36:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:38,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 13:36:39,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:39,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197874556] [2023-12-02 13:36:39,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197874556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:39,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:39,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:36:39,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967397379] [2023-12-02 13:36:39,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:39,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:36:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:39,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:36:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:36:39,263 INFO L87 Difference]: Start difference. First operand 58194 states and 94311 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)