./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/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_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/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_5d2f542d-441f-4ff3-8761-d326121ba86f/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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:31,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:31,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:50:31,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:31,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:31,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:31,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:31,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:31,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:31,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:31,467 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:31,468 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:31,468 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:31,469 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:50:31,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:31,470 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:31,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:50:31,471 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:50:31,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:31,472 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:50:31,472 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:50:31,476 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:50:31,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:31,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:31,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:50:31,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:31,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:31,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:31,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:31,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:31,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:31,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:31,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:31,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:31,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:31,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:31,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:31,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:31,482 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:50:31,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:50:31,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:31,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:31,483 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:31,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:31,484 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_5d2f542d-441f-4ff3-8761-d326121ba86f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2023-12-02 19:50:31,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:31,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:31,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:31,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:31,757 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:31,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2023-12-02 19:50:34,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:35,131 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:35,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2023-12-02 19:50:35,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/data/a58927b19/c9380e7c79454df9baccb540f8533be6/FLAGaabf94df4 [2023-12-02 19:50:35,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/data/a58927b19/c9380e7c79454df9baccb540f8533be6 [2023-12-02 19:50:35,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:35,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:35,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:35,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:35,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:35,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:35" (1/1) ... [2023-12-02 19:50:35,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c40a67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:35, skipping insertion in model container [2023-12-02 19:50:35,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:35" (1/1) ... [2023-12-02 19:50:35,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:50:42,750 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2023-12-02 19:50:42,755 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2023-12-02 19:50:42,755 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2023-12-02 19:50:42,756 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2023-12-02 19:50:42,757 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2023-12-02 19:50:42,757 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2023-12-02 19:50:42,757 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2023-12-02 19:50:42,758 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2023-12-02 19:50:42,758 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2023-12-02 19:50:42,759 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2023-12-02 19:50:42,759 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2023-12-02 19:50:42,760 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2023-12-02 19:50:42,761 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2023-12-02 19:50:42,761 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2023-12-02 19:50:42,762 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2023-12-02 19:50:42,762 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2023-12-02 19:50:42,763 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2023-12-02 19:50:42,763 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2023-12-02 19:50:42,764 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2023-12-02 19:50:42,765 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2023-12-02 19:50:42,765 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2023-12-02 19:50:42,766 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2023-12-02 19:50:42,766 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2023-12-02 19:50:42,767 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2023-12-02 19:50:42,767 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2023-12-02 19:50:42,768 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2023-12-02 19:50:42,768 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2023-12-02 19:50:42,769 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2023-12-02 19:50:42,769 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2023-12-02 19:50:42,770 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2023-12-02 19:50:42,770 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2023-12-02 19:50:42,770 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2023-12-02 19:50:42,771 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2023-12-02 19:50:42,771 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2023-12-02 19:50:42,772 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2023-12-02 19:50:42,772 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2023-12-02 19:50:42,773 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2023-12-02 19:50:42,773 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2023-12-02 19:50:42,774 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2023-12-02 19:50:42,774 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2023-12-02 19:50:42,775 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2023-12-02 19:50:42,776 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2023-12-02 19:50:42,776 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2023-12-02 19:50:42,777 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2023-12-02 19:50:42,777 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2023-12-02 19:50:42,778 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2023-12-02 19:50:42,778 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2023-12-02 19:50:42,779 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2023-12-02 19:50:42,779 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2023-12-02 19:50:42,779 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2023-12-02 19:50:42,780 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2023-12-02 19:50:42,780 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2023-12-02 19:50:42,781 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2023-12-02 19:50:42,781 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2023-12-02 19:50:42,782 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2023-12-02 19:50:42,783 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2023-12-02 19:50:42,783 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2023-12-02 19:50:42,784 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2023-12-02 19:50:42,784 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2023-12-02 19:50:42,785 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2023-12-02 19:50:42,786 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2023-12-02 19:50:42,786 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2023-12-02 19:50:42,787 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2023-12-02 19:50:42,787 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2023-12-02 19:50:42,788 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2023-12-02 19:50:42,788 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2023-12-02 19:50:42,789 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2023-12-02 19:50:42,790 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2023-12-02 19:50:42,790 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2023-12-02 19:50:42,791 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2023-12-02 19:50:42,791 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2023-12-02 19:50:42,792 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2023-12-02 19:50:42,792 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2023-12-02 19:50:42,793 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2023-12-02 19:50:42,793 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2023-12-02 19:50:42,794 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2023-12-02 19:50:42,795 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2023-12-02 19:50:42,795 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2023-12-02 19:50:42,796 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2023-12-02 19:50:42,796 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2023-12-02 19:50:42,797 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2023-12-02 19:50:42,797 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2023-12-02 19:50:42,798 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2023-12-02 19:50:42,798 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2023-12-02 19:50:42,799 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2023-12-02 19:50:42,799 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2023-12-02 19:50:42,800 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2023-12-02 19:50:42,800 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2023-12-02 19:50:42,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:42,875 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:50:42,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5316] [2023-12-02 19:50:42,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5323] [2023-12-02 19:50:42,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5337-5338] [2023-12-02 19:50:43,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5444] [2023-12-02 19:50:43,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5447] [2023-12-02 19:50:43,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5450] [2023-12-02 19:50:43,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5453] [2023-12-02 19:50:43,004 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" (804), "i" (12UL)); [5512-5513] [2023-12-02 19:50:43,004 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" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5518-5520] [2023-12-02 19:50:43,007 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"); [5616-5617] [2023-12-02 19:50:43,007 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"); [5621-5622] [2023-12-02 19:50:43,008 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"); [5626-5627] [2023-12-02 19:50:43,008 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"); [5631-5632] [2023-12-02 19:50:43,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5738] [2023-12-02 19:50:43,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5741] [2023-12-02 19:50:43,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [5743] [2023-12-02 19:50:43,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5748] [2023-12-02 19:50:43,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5751] [2023-12-02 19:50:43,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5753] [2023-12-02 19:50:43,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5758] [2023-12-02 19:50:43,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5761] [2023-12-02 19:50:43,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5763] [2023-12-02 19:50:43,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5768] [2023-12-02 19:50:43,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5771] [2023-12-02 19:50:43,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [5773] [2023-12-02 19:50:43,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5811] [2023-12-02 19:50:43,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5814] [2023-12-02 19:50:43,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [5816] [2023-12-02 19:50:43,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5821] [2023-12-02 19:50:43,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5824] [2023-12-02 19:50:43,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5826] [2023-12-02 19:50:43,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5831] [2023-12-02 19:50:43,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5834] [2023-12-02 19:50:43,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5836] [2023-12-02 19:50:43,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5841] [2023-12-02 19:50:43,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5844] [2023-12-02 19:50:43,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [5846] [2023-12-02 19:50:43,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6111] [2023-12-02 19:50:43,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6118] [2023-12-02 19:50:43,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %1,%0": "=r" (ret): "m" (*((unsigned long volatile *)addr)): "memory"); [6126] [2023-12-02 19:50:43,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [6133] [2023-12-02 19:50:43,032 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/linux/scatterlist.h"), "i" (65), "i" (12UL)); [6312-6313] [2023-12-02 19:50:43,032 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/linux/scatterlist.h"), "i" (67), "i" (12UL)); [6323-6324] [2023-12-02 19:50:43,033 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/linux/scatterlist.h"), "i" (68), "i" (12UL)); [6334-6335] [2023-12-02 19:50:43,034 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/linux/scatterlist.h"), "i" (98), "i" (12UL)); [6366-6367] [2023-12-02 19:50:43,035 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/linux/scatterlist.h"), "i" (99), "i" (12UL)); [6377-6378] [2023-12-02 19:50:43,036 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/linux/scatterlist.h"), "i" (168), "i" (12UL)); [6395-6396] [2023-12-02 19:50:43,043 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" (52), "i" (12UL)); [6497-6498] [2023-12-02 19:50:43,044 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" (65), "i" (12UL)); [6527-6528] [2023-12-02 19:50:43,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6804] [2023-12-02 19:50:43,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6813] [2023-12-02 19:50:43,085 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/block/nvme-core.c"), "i" (198), "i" (12UL)); [7291-7292] [2023-12-02 19:50:43,105 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/block/nvme-core.c"), "i" (236), "i" (12UL)); [7359-7360] [2023-12-02 19:50:43,135 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/block/nvme-core.c"), "i" (657), "i" (12UL)); [8062-8063] [2023-12-02 19:50:43,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [8580-8581] [2023-12-02 19:50:43,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8587-8588] [2023-12-02 19:50:43,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8594-8595] [2023-12-02 19:50:43,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8601-8602] [2023-12-02 19:50:43,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [10467-10468] [2023-12-02 19:50:43,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [10474-10475] [2023-12-02 19:50:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [10481-10482] [2023-12-02 19:50:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [10488-10489] [2023-12-02 19:50:43,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11172] [2023-12-02 19:50:43,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [11201-11202] [2023-12-02 19:50:43,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [11208-11209] [2023-12-02 19:50:43,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [11215-11216] [2023-12-02 19:50:43,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [11222-11223] [2023-12-02 19:50:43,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [11278-11279] [2023-12-02 19:50:43,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [11285-11286] [2023-12-02 19:50:43,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [11292-11293] [2023-12-02 19:50:43,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [11299-11300] [2023-12-02 19:50:43,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [11349-11350] [2023-12-02 19:50:43,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [11356-11357] [2023-12-02 19:50:43,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [11363-11364] [2023-12-02 19:50:43,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [11370-11371] [2023-12-02 19:50:43,363 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/block/nvme-core.c"), "i" (3177), "i" (12UL)); [12784-12785] [2023-12-02 19:50:43,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (ip): "ebx"); [18841] [2023-12-02 19:50:43,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (ip): "ebx"); [18844] [2023-12-02 19:50:43,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (ip): "ebx"); [18847] [2023-12-02 19:50:43,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (ip): "ebx"); [18850] [2023-12-02 19:50:43,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (ip): "ebx"); [18853] [2023-12-02 19:50:43,572 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2023-12-02 19:50:43,572 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2023-12-02 19:50:43,573 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2023-12-02 19:50:43,573 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2023-12-02 19:50:43,574 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2023-12-02 19:50:43,574 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2023-12-02 19:50:43,574 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2023-12-02 19:50:43,575 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2023-12-02 19:50:43,575 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2023-12-02 19:50:43,575 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2023-12-02 19:50:43,576 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2023-12-02 19:50:43,576 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2023-12-02 19:50:43,577 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2023-12-02 19:50:43,577 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2023-12-02 19:50:43,577 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2023-12-02 19:50:43,578 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2023-12-02 19:50:43,578 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2023-12-02 19:50:43,579 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2023-12-02 19:50:43,579 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2023-12-02 19:50:43,579 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2023-12-02 19:50:43,580 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2023-12-02 19:50:43,580 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2023-12-02 19:50:43,580 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2023-12-02 19:50:43,581 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2023-12-02 19:50:43,581 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2023-12-02 19:50:43,581 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2023-12-02 19:50:43,582 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2023-12-02 19:50:43,582 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2023-12-02 19:50:43,582 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2023-12-02 19:50:43,583 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2023-12-02 19:50:43,583 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2023-12-02 19:50:43,583 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2023-12-02 19:50:43,584 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2023-12-02 19:50:43,584 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2023-12-02 19:50:43,584 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2023-12-02 19:50:43,585 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2023-12-02 19:50:43,585 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2023-12-02 19:50:43,585 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2023-12-02 19:50:43,586 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2023-12-02 19:50:43,586 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2023-12-02 19:50:43,586 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2023-12-02 19:50:43,587 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2023-12-02 19:50:43,587 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2023-12-02 19:50:43,587 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2023-12-02 19:50:43,588 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2023-12-02 19:50:43,588 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2023-12-02 19:50:43,588 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2023-12-02 19:50:43,589 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2023-12-02 19:50:43,589 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2023-12-02 19:50:43,589 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2023-12-02 19:50:43,590 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2023-12-02 19:50:43,590 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2023-12-02 19:50:43,590 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2023-12-02 19:50:43,590 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2023-12-02 19:50:43,591 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2023-12-02 19:50:43,591 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2023-12-02 19:50:43,591 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2023-12-02 19:50:43,592 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2023-12-02 19:50:43,592 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2023-12-02 19:50:43,592 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2023-12-02 19:50:43,593 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2023-12-02 19:50:43,593 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2023-12-02 19:50:43,593 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2023-12-02 19:50:43,594 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2023-12-02 19:50:43,594 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2023-12-02 19:50:43,594 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2023-12-02 19:50:43,595 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2023-12-02 19:50:43,595 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2023-12-02 19:50:43,595 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2023-12-02 19:50:43,596 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2023-12-02 19:50:43,596 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2023-12-02 19:50:43,596 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2023-12-02 19:50:43,597 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2023-12-02 19:50:43,597 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2023-12-02 19:50:43,598 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2023-12-02 19:50:43,598 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2023-12-02 19:50:43,598 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2023-12-02 19:50:43,598 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2023-12-02 19:50:43,599 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2023-12-02 19:50:43,599 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2023-12-02 19:50:43,600 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2023-12-02 19:50:43,600 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2023-12-02 19:50:43,600 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2023-12-02 19:50:43,601 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2023-12-02 19:50:43,601 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2023-12-02 19:50:43,601 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2023-12-02 19:50:43,602 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2023-12-02 19:50:43,602 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_5d2f542d-441f-4ff3-8761-d326121ba86f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2023-12-02 19:50:43,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:44,022 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:50:44,022 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:50:44,022 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:50:44,023 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:50:44,023 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:50:44,031 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:50:44,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44 WrapperNode [2023-12-02 19:50:44,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:44,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:44,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:50:44,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:50:44,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,596 INFO L138 Inliner]: procedures = 984, calls = 4927, calls flagged for inlining = 500, calls inlined = 417, statements flattened = 13846 [2023-12-02 19:50:44,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:44,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:50:44,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:50:44,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:50:44,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:44,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:45,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:45,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:45,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:50:45,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:50:45,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:50:45,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:50:45,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (1/1) ... [2023-12-02 19:50:45,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:45,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:50:45,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:50:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2023-12-02 19:50:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2023-12-02 19:50:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2023-12-02 19:50:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2023-12-02 19:50:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2023-12-02 19:50:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2023-12-02 19:50:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2023-12-02 19:50:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 19:50:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 19:50:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-12-02 19:50:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-12-02 19:50:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2023-12-02 19:50:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2023-12-02 19:50:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 19:50:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 19:50:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 19:50:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 19:50:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2023-12-02 19:50:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2023-12-02 19:50:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2023-12-02 19:50:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2023-12-02 19:50:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2023-12-02 19:50:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2023-12-02 19:50:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2023-12-02 19:50:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2023-12-02 19:50:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 19:50:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 19:50:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 19:50:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-12-02 19:50:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-12-02 19:50:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2023-12-02 19:50:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2023-12-02 19:50:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2023-12-02 19:50:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2023-12-02 19:50:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2023-12-02 19:50:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2023-12-02 19:50:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 19:50:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 19:50:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-12-02 19:50:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-12-02 19:50:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2023-12-02 19:50:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2023-12-02 19:50:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 19:50:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 19:50:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2023-12-02 19:50:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2023-12-02 19:50:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 19:50:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 19:50:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2023-12-02 19:50:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2023-12-02 19:50:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 19:50:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 19:50:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2023-12-02 19:50:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2023-12-02 19:50:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 19:50:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 19:50:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-12-02 19:50:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-12-02 19:50:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2023-12-02 19:50:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2023-12-02 19:50:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2023-12-02 19:50:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2023-12-02 19:50:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2023-12-02 19:50:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2023-12-02 19:50:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 19:50:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 19:50:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2023-12-02 19:50:45,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2023-12-02 19:50:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 19:50:45,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 19:50:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:50:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 19:50:45,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 19:50:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 19:50:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 19:50:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2023-12-02 19:50:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2023-12-02 19:50:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-12-02 19:50:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-12-02 19:50:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2023-12-02 19:50:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2023-12-02 19:50:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2023-12-02 19:50:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2023-12-02 19:50:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 19:50:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 19:50:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-12-02 19:50:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-12-02 19:50:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-12-02 19:50:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-12-02 19:50:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2023-12-02 19:50:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2023-12-02 19:50:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 19:50:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:50:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-12-02 19:50:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 19:50:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-12-02 19:50:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 19:50:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-12-02 19:50:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 19:50:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2023-12-02 19:50:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-12-02 19:50:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2023-12-02 19:50:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2023-12-02 19:50:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-12-02 19:50:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-12-02 19:50:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2023-12-02 19:50:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2023-12-02 19:50:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2023-12-02 19:50:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 19:50:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 19:50:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 19:50:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2023-12-02 19:50:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2023-12-02 19:50:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2023-12-02 19:50:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 19:50:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2023-12-02 19:50:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2023-12-02 19:50:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2023-12-02 19:50:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2023-12-02 19:50:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2023-12-02 19:50:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-12-02 19:50:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 19:50:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 19:50:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2023-12-02 19:50:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2023-12-02 19:50:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2023-12-02 19:50:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2023-12-02 19:50:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-12-02 19:50:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2023-12-02 19:50:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-12-02 19:50:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-12-02 19:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 19:50:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 19:50:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2023-12-02 19:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2023-12-02 19:50:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2023-12-02 19:50:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2023-12-02 19:50:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2023-12-02 19:50:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 19:50:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2023-12-02 19:50:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2023-12-02 19:50:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2023-12-02 19:50:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-12-02 19:50:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2023-12-02 19:50:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 19:50:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 19:50:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 19:50:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2023-12-02 19:50:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2023-12-02 19:50:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-12-02 19:50:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-12-02 19:50:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 19:50:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2023-12-02 19:50:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 19:50:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:50:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2023-12-02 19:50:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2023-12-02 19:50:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-12-02 19:50:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-12-02 19:50:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-12-02 19:50:46,851 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:50:46,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:50:53,842 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 19:51:10,460 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:51:15,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:51:15,001 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-02 19:51:15,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:15 BoogieIcfgContainer [2023-12-02 19:51:15,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:51:15,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:51:15,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:51:15,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:51:15,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:35" (1/3) ... [2023-12-02 19:51:15,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e16a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:15, skipping insertion in model container [2023-12-02 19:51:15,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:44" (2/3) ... [2023-12-02 19:51:15,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e16a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:15, skipping insertion in model container [2023-12-02 19:51:15,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:15" (3/3) ... [2023-12-02 19:51:15,011 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2023-12-02 19:51:15,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:51:15,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-12-02 19:51:15,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:51:15,131 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;@2e35d62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:51:15,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-12-02 19:51:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 3451 states, 2071 states have (on average 1.312892322549493) internal successors, (2719), 2174 states have internal predecessors, (2719), 1097 states have call successors, (1097), 252 states have call predecessors, (1097), 251 states have return successors, (1089), 1080 states have call predecessors, (1089), 1089 states have call successors, (1089) [2023-12-02 19:51:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 19:51:15,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:15,157 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 19:51:15,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:51:15,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash 704394311, now seen corresponding path program 1 times [2023-12-02 19:51:15,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:51:15,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118034096] [2023-12-02 19:51:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:15,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:51:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:15,984 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 19:51:15,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:51:15,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118034096] [2023-12-02 19:51:15,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118034096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:15,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:15,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:51:15,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146251827] [2023-12-02 19:51:15,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:15,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:51:15,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:51:16,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:51:16,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:51:16,030 INFO L87 Difference]: Start difference. First operand has 3451 states, 2071 states have (on average 1.312892322549493) internal successors, (2719), 2174 states have internal predecessors, (2719), 1097 states have call successors, (1097), 252 states have call predecessors, (1097), 251 states have return successors, (1089), 1080 states have call predecessors, (1089), 1089 states have call successors, (1089) 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 19:51:19,223 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 19:51:21,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:23,437 WARN L539 Checker$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 19:51:25,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:27,557 WARN L539 Checker$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 19:51:29,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:32,966 WARN L539 Checker$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 19:51:34,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:37,005 WARN L539 Checker$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 19:51:39,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:41,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:43,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:45,414 WARN L539 Checker$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 19:51:47,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:49,431 WARN L539 Checker$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 19:51:54,612 WARN L539 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 19:51:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:58,326 INFO L93 Difference]: Finished difference Result 10204 states and 15147 transitions. [2023-12-02 19:51:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:51:58,328 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 19:51:58,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:58,393 INFO L225 Difference]: With dead ends: 10204 [2023-12-02 19:51:58,393 INFO L226 Difference]: Without dead ends: 6754 [2023-12-02 19:51:58,438 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 19:51:58,441 INFO L413 NwaCegarLoop]: 4381 mSDtfsCounter, 4742 mSDsluCounter, 8572 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 12953 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:58,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 12953 Invalid, 1830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1813 Invalid, 16 Unknown, 0 Unchecked, 41.7s Time] [2023-12-02 19:51:58,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6754 states. [2023-12-02 19:51:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6754 to 6564. [2023-12-02 19:51:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6564 states, 3957 states have (on average 1.2898660601465757) internal successors, (5104), 4126 states have internal predecessors, (5104), 2091 states have call successors, (2091), 482 states have call predecessors, (2091), 480 states have return successors, (2144), 2067 states have call predecessors, (2144), 2089 states have call successors, (2144) [2023-12-02 19:51:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9339 transitions. [2023-12-02 19:51:58,917 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9339 transitions. Word has length 48 [2023-12-02 19:51:58,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:58,918 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9339 transitions. [2023-12-02 19:51:58,919 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 19:51:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9339 transitions. [2023-12-02 19:51:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 19:51:58,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:58,923 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 19:51:58,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:51:58,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:51:58,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1289573079, now seen corresponding path program 1 times [2023-12-02 19:51:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:51:58,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204358718] [2023-12-02 19:51:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:51:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:59,465 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 19:51:59,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:51:59,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204358718] [2023-12-02 19:51:59,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204358718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:59,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:59,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:51:59,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794530889] [2023-12-02 19:51:59,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:59,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:51:59,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:51:59,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:51:59,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:51:59,469 INFO L87 Difference]: Start difference. First operand 6564 states and 9339 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 19:52:02,477 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 19:52:04,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:06,696 WARN L539 Checker$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 19:52:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:10,768 WARN L539 Checker$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 19:52:12,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:15,713 WARN L539 Checker$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 19:52:17,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:19,723 WARN L539 Checker$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 19:52:22,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:24,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:28,224 WARN L539 Checker$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 19:52:30,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:32,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:52:39,445 INFO L93 Difference]: Finished difference Result 13102 states and 18839 transitions. [2023-12-02 19:52:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:52:39,445 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 19:52:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:52:39,579 INFO L225 Difference]: With dead ends: 13102 [2023-12-02 19:52:39,579 INFO L226 Difference]: Without dead ends: 13100 [2023-12-02 19:52:39,584 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 19:52:39,585 INFO L413 NwaCegarLoop]: 4222 mSDtfsCounter, 4789 mSDsluCounter, 8390 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 3 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4789 SdHoareTripleChecker+Valid, 12612 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2023-12-02 19:52:39,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4789 Valid, 12612 Invalid, 1797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1779 Invalid, 15 Unknown, 0 Unchecked, 39.5s Time] [2023-12-02 19:52:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13100 states. [2023-12-02 19:52:40,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13100 to 12904. [2023-12-02 19:52:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12904 states, 7790 states have (on average 1.290757381258023) internal successors, (10055), 8096 states have internal predecessors, (10055), 4135 states have call successors, (4135), 946 states have call predecessors, (4135), 943 states have return successors, (4445), 4083 states have call predecessors, (4445), 4133 states have call successors, (4445) [2023-12-02 19:52:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12904 states to 12904 states and 18635 transitions. [2023-12-02 19:52:40,273 INFO L78 Accepts]: Start accepts. Automaton has 12904 states and 18635 transitions. Word has length 53 [2023-12-02 19:52:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:52:40,273 INFO L495 AbstractCegarLoop]: Abstraction has 12904 states and 18635 transitions. [2023-12-02 19:52:40,273 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 19:52:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12904 states and 18635 transitions. [2023-12-02 19:52:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 19:52:40,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:52:40,277 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-12-02 19:52:40,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:52:40,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:52:40,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:52:40,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2096337232, now seen corresponding path program 1 times [2023-12-02 19:52:40,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:52:40,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184944976] [2023-12-02 19:52:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:52:40,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:52:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:52:40,619 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 19:52:40,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:52:40,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184944976] [2023-12-02 19:52:40,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184944976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:52:40,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:52:40,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:52:40,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626250639] [2023-12-02 19:52:40,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:52:40,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:52:40,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:52:40,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:52:40,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:52:40,621 INFO L87 Difference]: Start difference. First operand 12904 states and 18635 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 19:52:43,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:45,810 WARN L539 Checker$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 19:52:47,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:50,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:52,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:54,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:56,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:58,152 WARN L539 Checker$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 19:53:00,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:04,339 WARN L539 Checker$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 19:53:06,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:08,351 WARN L539 Checker$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 19:53:10,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:12,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:14,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:16,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:18,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:21,030 WARN L539 Checker$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 19:53:23,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:25,100 WARN L539 Checker$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 19:53:27,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:53:35,014 INFO L93 Difference]: Finished difference Result 21092 states and 30084 transitions. [2023-12-02 19:53:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:53:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-12-02 19:53:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:53:35,114 INFO L225 Difference]: With dead ends: 21092 [2023-12-02 19:53:35,114 INFO L226 Difference]: Without dead ends: 21090 [2023-12-02 19:53:35,124 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 19:53:35,125 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 4760 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 2 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4761 SdHoareTripleChecker+Valid, 15850 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:53:35,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4761 Valid, 15850 Invalid, 2261 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2238 Invalid, 21 Unknown, 0 Unchecked, 53.7s Time] [2023-12-02 19:53:35,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21090 states. [2023-12-02 19:53:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21090 to 20856. [2023-12-02 19:53:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20856 states, 12407 states have (on average 1.2731522527605383) internal successors, (15796), 12890 states have internal predecessors, (15796), 6707 states have call successors, (6707), 1712 states have call predecessors, (6707), 1707 states have return successors, (7329), 6611 states have call predecessors, (7329), 6705 states have call successors, (7329) [2023-12-02 19:53:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20856 states to 20856 states and 29832 transitions. [2023-12-02 19:53:36,015 INFO L78 Accepts]: Start accepts. Automaton has 20856 states and 29832 transitions. Word has length 53 [2023-12-02 19:53:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:53:36,015 INFO L495 AbstractCegarLoop]: Abstraction has 20856 states and 29832 transitions. [2023-12-02 19:53:36,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 19:53:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20856 states and 29832 transitions. [2023-12-02 19:53:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 19:53:36,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:53:36,020 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 19:53:36,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:53:36,020 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:53:36,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:53:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1728234019, now seen corresponding path program 1 times [2023-12-02 19:53:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:53:36,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136189981] [2023-12-02 19:53:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:53:36,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:53:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:53:36,549 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 19:53:36,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:53:36,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136189981] [2023-12-02 19:53:36,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136189981] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:53:36,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:53:36,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:53:36,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019506436] [2023-12-02 19:53:36,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:53:36,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:53:36,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:53:36,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:53:36,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:53:36,552 INFO L87 Difference]: Start difference. First operand 20856 states and 29832 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 19:53:39,524 WARN L539 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 19:53:41,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:43,687 WARN L539 Checker$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 19:53:45,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:47,766 WARN L539 Checker$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 19:53:49,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:53:54,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:53:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:53:58,455 INFO L93 Difference]: Finished difference Result 20856 states and 29832 transitions. [2023-12-02 19:53:58,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:53:58,456 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 19:53:58,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:53:58,536 INFO L225 Difference]: With dead ends: 20856 [2023-12-02 19:53:58,537 INFO L226 Difference]: Without dead ends: 20854 [2023-12-02 19:53:58,546 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 19:53:58,547 INFO L413 NwaCegarLoop]: 4183 mSDtfsCounter, 4755 mSDsluCounter, 4183 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4755 SdHoareTripleChecker+Valid, 8366 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:53:58,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4755 Valid, 8366 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1175 Invalid, 7 Unknown, 0 Unchecked, 21.2s Time] [2023-12-02 19:53:58,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20854 states. [2023-12-02 19:53:59,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20854 to 20854. [2023-12-02 19:53:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20854 states, 12406 states have (on average 1.2730936643559567) internal successors, (15794), 12888 states have internal predecessors, (15794), 6707 states have call successors, (6707), 1712 states have call predecessors, (6707), 1707 states have return successors, (7329), 6611 states have call predecessors, (7329), 6705 states have call successors, (7329) [2023-12-02 19:53:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20854 states to 20854 states and 29830 transitions. [2023-12-02 19:53:59,875 INFO L78 Accepts]: Start accepts. Automaton has 20854 states and 29830 transitions. Word has length 58 [2023-12-02 19:53:59,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:53:59,875 INFO L495 AbstractCegarLoop]: Abstraction has 20854 states and 29830 transitions. [2023-12-02 19:53:59,876 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 19:53:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20854 states and 29830 transitions. [2023-12-02 19:53:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 19:53:59,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:53:59,878 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 19:53:59,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 19:53:59,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:53:59,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:53:59,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1230485243, now seen corresponding path program 1 times [2023-12-02 19:53:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:53:59,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174003607] [2023-12-02 19:53:59,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:53:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:53:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:00,251 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 19:54:00,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:54:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174003607] [2023-12-02 19:54:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174003607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:54:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:54:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:54:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163182495] [2023-12-02 19:54:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:54:00,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:54:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:54:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:54:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:54:00,254 INFO L87 Difference]: Start difference. First operand 20854 states and 29830 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 19:54:03,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:05,314 WARN L539 Checker$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 19:54:07,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:09,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:11,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:13,632 WARN L539 Checker$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 19:54:20,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:54:20,011 INFO L93 Difference]: Finished difference Result 20854 states and 29830 transitions. [2023-12-02 19:54:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:54:20,011 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 19:54:20,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:54:20,082 INFO L225 Difference]: With dead ends: 20854 [2023-12-02 19:54:20,082 INFO L226 Difference]: Without dead ends: 20852 [2023-12-02 19:54:20,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:54:20,090 INFO L413 NwaCegarLoop]: 4182 mSDtfsCounter, 4753 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 8364 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:54:20,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4753 Valid, 8364 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 18.8s Time] [2023-12-02 19:54:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20852 states. [2023-12-02 19:54:21,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20852 to 20852. [2023-12-02 19:54:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20852 states, 12405 states have (on average 1.2730350665054413) internal successors, (15792), 12886 states have internal predecessors, (15792), 6707 states have call successors, (6707), 1712 states have call predecessors, (6707), 1707 states have return successors, (7329), 6611 states have call predecessors, (7329), 6705 states have call successors, (7329) [2023-12-02 19:54:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20852 states to 20852 states and 29828 transitions. [2023-12-02 19:54:21,198 INFO L78 Accepts]: Start accepts. Automaton has 20852 states and 29828 transitions. Word has length 63 [2023-12-02 19:54:21,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:54:21,199 INFO L495 AbstractCegarLoop]: Abstraction has 20852 states and 29828 transitions. [2023-12-02 19:54:21,199 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 19:54:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20852 states and 29828 transitions. [2023-12-02 19:54:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 19:54:21,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:21,200 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:54:21,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 19:54:21,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:54:21,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:21,201 INFO L85 PathProgramCache]: Analyzing trace with hash 256139860, now seen corresponding path program 1 times [2023-12-02 19:54:21,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:54:21,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779103903] [2023-12-02 19:54:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:21,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:54:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 19:54:21,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:54:21,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779103903] [2023-12-02 19:54:21,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779103903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:54:21,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:54:21,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:54:21,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139893351] [2023-12-02 19:54:21,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:54:21,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:54:21,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:54:21,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:54:21,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:54:21,685 INFO L87 Difference]: Start difference. First operand 20852 states and 29828 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 19:54:25,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:27,085 WARN L539 Checker$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 19:54:29,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:31,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:33,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:35,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:37,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:54:39,489 WARN L539 Checker$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 19:54:41,495 WARN L539 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 19:54:50,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:54:50,231 INFO L93 Difference]: Finished difference Result 20852 states and 29828 transitions. [2023-12-02 19:54:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:54:50,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 63 [2023-12-02 19:54:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:54:50,291 INFO L225 Difference]: With dead ends: 20852 [2023-12-02 19:54:50,291 INFO L226 Difference]: Without dead ends: 20850 [2023-12-02 19:54:50,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:54:50,297 INFO L413 NwaCegarLoop]: 4177 mSDtfsCounter, 4750 mSDsluCounter, 8350 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4751 SdHoareTripleChecker+Valid, 12527 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:54:50,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4751 Valid, 12527 Invalid, 1779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1770 Invalid, 9 Unknown, 0 Unchecked, 27.6s Time] [2023-12-02 19:54:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20850 states. [2023-12-02 19:54:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20850 to 20850. [2023-12-02 19:54:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20850 states, 12404 states have (on average 1.2724121251209288) internal successors, (15783), 12884 states have internal predecessors, (15783), 6707 states have call successors, (6707), 1712 states have call predecessors, (6707), 1707 states have return successors, (7329), 6611 states have call predecessors, (7329), 6705 states have call successors, (7329) [2023-12-02 19:54:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20850 states to 20850 states and 29819 transitions. [2023-12-02 19:54:51,462 INFO L78 Accepts]: Start accepts. Automaton has 20850 states and 29819 transitions. Word has length 63 [2023-12-02 19:54:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:54:51,462 INFO L495 AbstractCegarLoop]: Abstraction has 20850 states and 29819 transitions. [2023-12-02 19:54:51,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 19:54:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 20850 states and 29819 transitions. [2023-12-02 19:54:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 19:54:51,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:51,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:54:51,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 19:54:51,465 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:54:51,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash 294855679, now seen corresponding path program 1 times [2023-12-02 19:54:51,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:54:51,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343827745] [2023-12-02 19:54:51,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:51,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:54:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:52,321 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 19:54:52,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:54:52,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343827745] [2023-12-02 19:54:52,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343827745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:54:52,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:54:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 19:54:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181998230] [2023-12-02 19:54:52,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:54:52,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:54:52,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:54:52,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:54:52,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:54:52,324 INFO L87 Difference]: Start difference. First operand 20850 states and 29819 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-02 19:54:56,144 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 19:54:58,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:00,154 WARN L539 Checker$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 19:55:02,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:04,398 WARN L539 Checker$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 19:55:06,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:08,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:10,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:12,591 WARN L539 Checker$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 19:55:14,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:16,644 WARN L539 Checker$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 19:55:18,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:21,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:55:25,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:27,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:29,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:31,266 WARN L539 Checker$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 19:55:33,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:35,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:37,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:39,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:41,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:43,838 WARN L539 Checker$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 19:55:45,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:47,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:49,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:52,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:54,033 WARN L539 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 19:56:03,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:03,245 INFO L93 Difference]: Finished difference Result 28640 states and 40484 transitions. [2023-12-02 19:56:03,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:56:03,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 66 [2023-12-02 19:56:03,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:03,364 INFO L225 Difference]: With dead ends: 28640 [2023-12-02 19:56:03,364 INFO L226 Difference]: Without dead ends: 28330 [2023-12-02 19:56:03,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-02 19:56:03,373 INFO L413 NwaCegarLoop]: 4185 mSDtfsCounter, 4492 mSDsluCounter, 15104 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 5 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4492 SdHoareTripleChecker+Valid, 19289 SdHoareTripleChecker+Invalid, 2781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:03,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4492 Valid, 19289 Invalid, 2781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2748 Invalid, 28 Unknown, 0 Unchecked, 69.4s Time] [2023-12-02 19:56:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28330 states. [2023-12-02 19:56:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28330 to 20206. [2023-12-02 19:56:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20206 states, 12040 states have (on average 1.2723421926910299) internal successors, (15319), 12496 states have internal predecessors, (15319), 6435 states have call successors, (6435), 1704 states have call predecessors, (6435), 1699 states have return successors, (7019), 6335 states have call predecessors, (7019), 6433 states have call successors, (7019) [2023-12-02 19:56:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20206 states to 20206 states and 28773 transitions. [2023-12-02 19:56:04,876 INFO L78 Accepts]: Start accepts. Automaton has 20206 states and 28773 transitions. Word has length 66 [2023-12-02 19:56:04,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:04,876 INFO L495 AbstractCegarLoop]: Abstraction has 20206 states and 28773 transitions. [2023-12-02 19:56:04,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-02 19:56:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 20206 states and 28773 transitions. [2023-12-02 19:56:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 19:56:04,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:04,878 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 19:56:04,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 19:56:04,878 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:56:04,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:04,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1424552361, now seen corresponding path program 1 times [2023-12-02 19:56:04,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:04,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333113045] [2023-12-02 19:56:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:04,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:05,207 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 19:56:05,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333113045] [2023-12-02 19:56:05,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333113045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:05,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:05,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:56:05,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349602382] [2023-12-02 19:56:05,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:05,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:56:05,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:05,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:56:05,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:56:05,209 INFO L87 Difference]: Start difference. First operand 20206 states and 28773 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 19:56:08,335 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 19:56:10,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:12,516 WARN L539 Checker$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 19:56:14,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:16,611 WARN L539 Checker$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 19:56:18,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:22,058 WARN L539 Checker$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 19:56:24,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:26,071 WARN L539 Checker$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 19:56:28,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:30,611 WARN L539 Checker$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 19:56:32,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:34,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:36,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:38,740 WARN L539 Checker$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 19:56:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:44,746 INFO L93 Difference]: Finished difference Result 28340 states and 40149 transitions. [2023-12-02 19:56:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:56:44,747 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 19:56:44,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:44,829 INFO L225 Difference]: With dead ends: 28340 [2023-12-02 19:56:44,829 INFO L226 Difference]: Without dead ends: 28338 [2023-12-02 19:56:44,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:56:44,840 INFO L413 NwaCegarLoop]: 4430 mSDtfsCounter, 4747 mSDsluCounter, 6992 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 11422 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:44,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 11422 Invalid, 1640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1623 Invalid, 15 Unknown, 0 Unchecked, 37.9s Time] [2023-12-02 19:56:44,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28338 states. [2023-12-02 19:56:46,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28338 to 28178. [2023-12-02 19:56:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28178 states, 16669 states have (on average 1.2640830283760274) internal successors, (21071), 17295 states have internal predecessors, (21071), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:56:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28178 states to 28178 states and 39985 transitions. [2023-12-02 19:56:46,502 INFO L78 Accepts]: Start accepts. Automaton has 28178 states and 39985 transitions. Word has length 68 [2023-12-02 19:56:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:46,502 INFO L495 AbstractCegarLoop]: Abstraction has 28178 states and 39985 transitions. [2023-12-02 19:56:46,502 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 19:56:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 28178 states and 39985 transitions. [2023-12-02 19:56:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 19:56:46,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:46,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:56:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 19:56:46,503 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:56:46,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash -815540290, now seen corresponding path program 1 times [2023-12-02 19:56:46,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:46,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939655351] [2023-12-02 19:56:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:46,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:46,813 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 19:56:46,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:46,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939655351] [2023-12-02 19:56:46,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939655351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:46,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:46,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:56:46,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584044790] [2023-12-02 19:56:46,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:46,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:56:46,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:56:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:56:46,815 INFO L87 Difference]: Start difference. First operand 28178 states and 39985 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, (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 19:56:49,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:51,717 WARN L539 Checker$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 19:56:53,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:55,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:56:57,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:00,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:06,181 INFO L93 Difference]: Finished difference Result 28178 states and 39985 transitions. [2023-12-02 19:57:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:57:06,182 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2023-12-02 19:57:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:06,278 INFO L225 Difference]: With dead ends: 28178 [2023-12-02 19:57:06,278 INFO L226 Difference]: Without dead ends: 28176 [2023-12-02 19:57:06,289 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 19:57:06,290 INFO L413 NwaCegarLoop]: 4176 mSDtfsCounter, 4741 mSDsluCounter, 4175 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 8351 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:06,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 8351 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1179 Invalid, 6 Unknown, 0 Unchecked, 17.9s Time] [2023-12-02 19:57:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28176 states. [2023-12-02 19:57:07,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28176 to 28176. [2023-12-02 19:57:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28176 states, 16668 states have (on average 1.263378929685625) internal successors, (21058), 17293 states have internal predecessors, (21058), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:57:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28176 states to 28176 states and 39972 transitions. [2023-12-02 19:57:08,111 INFO L78 Accepts]: Start accepts. Automaton has 28176 states and 39972 transitions. Word has length 71 [2023-12-02 19:57:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 28176 states and 39972 transitions. [2023-12-02 19:57:08,112 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, (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 19:57:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 28176 states and 39972 transitions. [2023-12-02 19:57:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 19:57:08,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:08,114 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 19:57:08,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 19:57:08,114 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:57:08,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1846093366, now seen corresponding path program 1 times [2023-12-02 19:57:08,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:08,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229667757] [2023-12-02 19:57:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:08,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:08,455 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 19:57:08,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:08,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229667757] [2023-12-02 19:57:08,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229667757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:08,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:08,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:57:08,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911921546] [2023-12-02 19:57:08,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:08,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:57:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:57:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:57:08,457 INFO L87 Difference]: Start difference. First operand 28176 states and 39972 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 19:57:11,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:13,554 WARN L539 Checker$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 19:57:15,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:17,697 WARN L539 Checker$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 19:57:19,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:21,766 WARN L539 Checker$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 19:57:23,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:57:29,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:29,748 INFO L93 Difference]: Finished difference Result 28176 states and 39972 transitions. [2023-12-02 19:57:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:57:29,749 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 19:57:29,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:29,839 INFO L225 Difference]: With dead ends: 28176 [2023-12-02 19:57:29,839 INFO L226 Difference]: Without dead ends: 28174 [2023-12-02 19:57:29,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:57:29,850 INFO L413 NwaCegarLoop]: 4176 mSDtfsCounter, 4745 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4745 SdHoareTripleChecker+Valid, 8352 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:29,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4745 Valid, 8352 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2023-12-02 19:57:29,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28174 states. [2023-12-02 19:57:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28174 to 28174. [2023-12-02 19:57:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28174 states, 16667 states have (on average 1.263334733305334) internal successors, (21056), 17291 states have internal predecessors, (21056), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:57:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28174 states to 28174 states and 39970 transitions. [2023-12-02 19:57:31,719 INFO L78 Accepts]: Start accepts. Automaton has 28174 states and 39970 transitions. Word has length 73 [2023-12-02 19:57:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:31,719 INFO L495 AbstractCegarLoop]: Abstraction has 28174 states and 39970 transitions. [2023-12-02 19:57:31,719 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 19:57:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 28174 states and 39970 transitions. [2023-12-02 19:57:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 19:57:31,721 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:31,721 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 19:57:31,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 19:57:31,721 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:57:31,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:31,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1554608808, now seen corresponding path program 1 times [2023-12-02 19:57:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245947298] [2023-12-02 19:57:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:31,951 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 19:57:31,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:31,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245947298] [2023-12-02 19:57:31,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245947298] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:31,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:31,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:57:31,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112950680] [2023-12-02 19:57:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:31,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:57:31,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:31,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:57:31,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:57:31,953 INFO L87 Difference]: Start difference. First operand 28174 states and 39970 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 19:57:34,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:36,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:39,016 WARN L539 Checker$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 19:57:41,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:43,077 WARN L539 Checker$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 19:57:45,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:51,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:51,852 INFO L93 Difference]: Finished difference Result 28174 states and 39970 transitions. [2023-12-02 19:57:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:57:51,853 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 19:57:51,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:51,920 INFO L225 Difference]: With dead ends: 28174 [2023-12-02 19:57:51,920 INFO L226 Difference]: Without dead ends: 28172 [2023-12-02 19:57:51,928 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 19:57:51,929 INFO L413 NwaCegarLoop]: 4174 mSDtfsCounter, 4742 mSDsluCounter, 4174 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 8348 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:51,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 8348 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 18.1s Time] [2023-12-02 19:57:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28172 states. [2023-12-02 19:57:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28172 to 28172. [2023-12-02 19:57:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28172 states, 16666 states have (on average 1.2632905316212648) internal successors, (21054), 17289 states have internal predecessors, (21054), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:57:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28172 states to 28172 states and 39968 transitions. [2023-12-02 19:57:54,013 INFO L78 Accepts]: Start accepts. Automaton has 28172 states and 39968 transitions. Word has length 78 [2023-12-02 19:57:54,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:54,014 INFO L495 AbstractCegarLoop]: Abstraction has 28172 states and 39968 transitions. [2023-12-02 19:57:54,014 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 19:57:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28172 states and 39968 transitions. [2023-12-02 19:57:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 19:57:54,016 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:54,016 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 19:57:54,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 19:57:54,016 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:57:54,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:54,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1956585167, now seen corresponding path program 1 times [2023-12-02 19:57:54,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:54,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280892942] [2023-12-02 19:57:54,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:54,289 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 19:57:54,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280892942] [2023-12-02 19:57:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280892942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:54,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:57:54,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548896294] [2023-12-02 19:57:54,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:54,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:57:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:54,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:57:54,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:57:54,292 INFO L87 Difference]: Start difference. First operand 28172 states and 39968 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 19:57:57,223 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 19:57:59,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:01,443 WARN L539 Checker$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 19:58:03,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:05,496 WARN L539 Checker$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 19:58:07,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:58:15,083 INFO L93 Difference]: Finished difference Result 28172 states and 39968 transitions. [2023-12-02 19:58:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:58:15,083 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 19:58:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:58:15,180 INFO L225 Difference]: With dead ends: 28172 [2023-12-02 19:58:15,181 INFO L226 Difference]: Without dead ends: 28170 [2023-12-02 19:58:15,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:58:15,193 INFO L413 NwaCegarLoop]: 4172 mSDtfsCounter, 4739 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4739 SdHoareTripleChecker+Valid, 8343 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:58:15,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4739 Valid, 8343 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1175 Invalid, 6 Unknown, 0 Unchecked, 18.4s Time] [2023-12-02 19:58:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28170 states. [2023-12-02 19:58:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28170 to 28170. [2023-12-02 19:58:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28170 states, 16665 states have (on average 1.2632463246324632) internal successors, (21052), 17287 states have internal predecessors, (21052), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:58:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28170 states to 28170 states and 39966 transitions. [2023-12-02 19:58:17,574 INFO L78 Accepts]: Start accepts. Automaton has 28170 states and 39966 transitions. Word has length 83 [2023-12-02 19:58:17,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:58:17,575 INFO L495 AbstractCegarLoop]: Abstraction has 28170 states and 39966 transitions. [2023-12-02 19:58:17,575 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 19:58:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 28170 states and 39966 transitions. [2023-12-02 19:58:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 19:58:17,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:58:17,578 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 19:58:17,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 19:58:17,578 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:58:17,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:58:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash 917581268, now seen corresponding path program 1 times [2023-12-02 19:58:17,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:58:17,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124389979] [2023-12-02 19:58:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:58:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:58:17,878 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 19:58:17,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:58:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124389979] [2023-12-02 19:58:17,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124389979] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:58:17,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:58:17,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:58:17,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476841940] [2023-12-02 19:58:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:58:17,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:58:17,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:58:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:58:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:58:17,881 INFO L87 Difference]: Start difference. First operand 28170 states and 39966 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 19:58:20,844 WARN L539 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 19:58:22,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:25,026 WARN L539 Checker$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 19:58:27,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:29,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:31,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:39,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:58:39,513 INFO L93 Difference]: Finished difference Result 28170 states and 39966 transitions. [2023-12-02 19:58:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:58:39,513 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 19:58:39,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:58:39,614 INFO L225 Difference]: With dead ends: 28170 [2023-12-02 19:58:39,614 INFO L226 Difference]: Without dead ends: 28168 [2023-12-02 19:58:39,630 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 19:58:39,630 INFO L413 NwaCegarLoop]: 4170 mSDtfsCounter, 4735 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4735 SdHoareTripleChecker+Valid, 8340 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:58:39,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4735 Valid, 8340 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 19.0s Time] [2023-12-02 19:58:39,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28168 states. [2023-12-02 19:58:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28168 to 28168. [2023-12-02 19:58:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28168 states, 16664 states have (on average 1.263202112337974) internal successors, (21050), 17285 states have internal predecessors, (21050), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:58:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28168 states to 28168 states and 39964 transitions. [2023-12-02 19:58:41,849 INFO L78 Accepts]: Start accepts. Automaton has 28168 states and 39964 transitions. Word has length 85 [2023-12-02 19:58:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:58:41,850 INFO L495 AbstractCegarLoop]: Abstraction has 28168 states and 39964 transitions. [2023-12-02 19:58:41,850 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 19:58:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 28168 states and 39964 transitions. [2023-12-02 19:58:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 19:58:41,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:58:41,853 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:58:41,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 19:58:41,853 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:58:41,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:58:41,854 INFO L85 PathProgramCache]: Analyzing trace with hash -855328003, now seen corresponding path program 1 times [2023-12-02 19:58:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:58:41,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811018991] [2023-12-02 19:58:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:58:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:58:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 19:58:42,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:58:42,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811018991] [2023-12-02 19:58:42,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811018991] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:58:42,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:58:42,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:58:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425840571] [2023-12-02 19:58:42,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:58:42,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:58:42,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:58:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:58:42,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:58:42,061 INFO L87 Difference]: Start difference. First operand 28168 states and 39964 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 19:58:44,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:46,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:49,015 WARN L539 Checker$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 19:58:54,427 WARN L539 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 19:58:55,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:58:55,919 INFO L93 Difference]: Finished difference Result 51252 states and 72226 transitions. [2023-12-02 19:58:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:58:55,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 104 [2023-12-02 19:58:55,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:58:56,011 INFO L225 Difference]: With dead ends: 51252 [2023-12-02 19:58:56,011 INFO L226 Difference]: Without dead ends: 28142 [2023-12-02 19:58:56,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:58:56,102 INFO L413 NwaCegarLoop]: 4166 mSDtfsCounter, 4746 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4746 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:58:56,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4746 Valid, 4166 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 586 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 19:58:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28142 states. [2023-12-02 19:58:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28142 to 28142. [2023-12-02 19:58:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28142 states, 16639 states have (on average 1.2621551775948074) internal successors, (21001), 17259 states have internal predecessors, (21001), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2468 states have return successors, (9905), 8869 states have call predecessors, (9905), 9007 states have call successors, (9905) [2023-12-02 19:58:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28142 states to 28142 states and 39915 transitions. [2023-12-02 19:58:58,374 INFO L78 Accepts]: Start accepts. Automaton has 28142 states and 39915 transitions. Word has length 104 [2023-12-02 19:58:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:58:58,375 INFO L495 AbstractCegarLoop]: Abstraction has 28142 states and 39915 transitions. [2023-12-02 19:58:58,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 19:58:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 28142 states and 39915 transitions. [2023-12-02 19:58:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 19:58:58,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:58:58,377 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 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] [2023-12-02 19:58:58,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 19:58:58,378 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 19:58:58,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:58:58,378 INFO L85 PathProgramCache]: Analyzing trace with hash -777549508, now seen corresponding path program 1 times [2023-12-02 19:58:58,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:58:58,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392446398] [2023-12-02 19:58:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:58,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:58:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:58:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-02 19:58:58,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:58:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392446398] [2023-12-02 19:58:58,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392446398] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:58:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012293401] [2023-12-02 19:58:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:58,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:58:58,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:58:58,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:58:58,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:59:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:59:00,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 19:59:00,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:59:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 19:59:00,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:59:00,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012293401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:59:00,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 19:59:00,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 10 [2023-12-02 19:59:00,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029970989] [2023-12-02 19:59:00,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:59:00,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 19:59:00,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:59:00,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 19:59:00,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-02 19:59:00,412 INFO L87 Difference]: Start difference. First operand 28142 states and 39915 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-02 19:59:04,734 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 19:59:06,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:08,748 WARN L539 Checker$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 19:59:10,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:12,753 WARN L539 Checker$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 19:59:14,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:16,767 WARN L539 Checker$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 19:59:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:21,173 WARN L539 Checker$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 19:59:23,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:25,258 WARN L539 Checker$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 19:59:27,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:29,307 WARN L539 Checker$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 19:59:31,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:33,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:35,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:37,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:39,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:41,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:43,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:45,610 WARN L539 Checker$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 20:00:01,382 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 20:00:07,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:00:07,184 INFO L93 Difference]: Finished difference Result 44424 states and 62790 transitions. [2023-12-02 20:00:07,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:00:07,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 88 [2023-12-02 20:00:07,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:00:07,275 INFO L225 Difference]: With dead ends: 44424 [2023-12-02 20:00:07,275 INFO L226 Difference]: Without dead ends: 28166 [2023-12-02 20:00:07,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:00:07,340 INFO L413 NwaCegarLoop]: 4128 mSDtfsCounter, 1 mSDsluCounter, 24688 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 1 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28816 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:00:07,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28816 Invalid, 4473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4450 Invalid, 22 Unknown, 0 Unchecked, 64.2s Time] [2023-12-02 20:00:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28166 states. [2023-12-02 20:00:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28166 to 28150. [2023-12-02 20:00:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28150 states, 16643 states have (on average 1.2620921708826534) internal successors, (21005), 17267 states have internal predecessors, (21005), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2472 states have return successors, (9946), 8869 states have call predecessors, (9946), 9007 states have call successors, (9946) [2023-12-02 20:00:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28150 states to 28150 states and 39960 transitions. [2023-12-02 20:00:09,709 INFO L78 Accepts]: Start accepts. Automaton has 28150 states and 39960 transitions. Word has length 88 [2023-12-02 20:00:09,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:00:09,709 INFO L495 AbstractCegarLoop]: Abstraction has 28150 states and 39960 transitions. [2023-12-02 20:00:09,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-02 20:00:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 28150 states and 39960 transitions. [2023-12-02 20:00:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 20:00:09,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:00:09,711 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 20:00:09,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:00:09,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:00:09,912 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 20:00:09,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:00:09,913 INFO L85 PathProgramCache]: Analyzing trace with hash -298398916, now seen corresponding path program 1 times [2023-12-02 20:00:09,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:00:09,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138716214] [2023-12-02 20:00:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:00:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:00:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:00:10,195 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 20:00:10,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:00:10,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138716214] [2023-12-02 20:00:10,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138716214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:00:10,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:00:10,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:00:10,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130920764] [2023-12-02 20:00:10,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:00:10,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:00:10,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:00:10,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:00:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:00:10,197 INFO L87 Difference]: Start difference. First operand 28150 states and 39960 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 20:00:13,123 WARN L539 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 20:00:15,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:17,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:19,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:21,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:23,526 WARN L539 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 20:00:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:00:32,974 INFO L93 Difference]: Finished difference Result 28150 states and 39960 transitions. [2023-12-02 20:00:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:00:32,975 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 20:00:32,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:00:33,074 INFO L225 Difference]: With dead ends: 28150 [2023-12-02 20:00:33,074 INFO L226 Difference]: Without dead ends: 28148 [2023-12-02 20:00:33,088 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 20:00:33,088 INFO L413 NwaCegarLoop]: 4163 mSDtfsCounter, 4729 mSDsluCounter, 4163 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2023-12-02 20:00:33,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 8326 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 20.0s Time] [2023-12-02 20:00:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28148 states. [2023-12-02 20:00:35,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28148 to 28148. [2023-12-02 20:00:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28148 states, 16642 states have (on average 1.2620478307895686) internal successors, (21003), 17265 states have internal predecessors, (21003), 9009 states have call successors, (9009), 2475 states have call predecessors, (9009), 2472 states have return successors, (9946), 8869 states have call predecessors, (9946), 9007 states have call successors, (9946) [2023-12-02 20:00:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28148 states to 28148 states and 39958 transitions. [2023-12-02 20:00:35,958 INFO L78 Accepts]: Start accepts. Automaton has 28148 states and 39958 transitions. Word has length 90 [2023-12-02 20:00:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:00:35,958 INFO L495 AbstractCegarLoop]: Abstraction has 28148 states and 39958 transitions. [2023-12-02 20:00:35,958 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 20:00:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 28148 states and 39958 transitions. [2023-12-02 20:00:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 20:00:35,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:00:35,961 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:35,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 20:00:35,961 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 20:00:35,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:00:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash -673666624, now seen corresponding path program 1 times [2023-12-02 20:00:35,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:00:35,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18009414] [2023-12-02 20:00:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:00:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:00:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:00:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-02 20:00:36,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:00:36,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18009414] [2023-12-02 20:00:36,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18009414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:00:36,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:00:36,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:00:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139751503] [2023-12-02 20:00:36,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:00:36,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:00:36,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:00:36,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:00:36,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:00:36,566 INFO L87 Difference]: Start difference. First operand 28148 states and 39958 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 20:00:40,260 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 20:00:42,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:44,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:46,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:48,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:50,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:52,808 WARN L539 Checker$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 20:00:54,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:56,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:09,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:01:09,696 INFO L93 Difference]: Finished difference Result 32030 states and 44481 transitions. [2023-12-02 20:01:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:01:09,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 113 [2023-12-02 20:01:09,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:01:09,809 INFO L225 Difference]: With dead ends: 32030 [2023-12-02 20:01:09,809 INFO L226 Difference]: Without dead ends: 32028 [2023-12-02 20:01:09,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:01:09,826 INFO L413 NwaCegarLoop]: 4421 mSDtfsCounter, 4574 mSDsluCounter, 9270 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4577 SdHoareTripleChecker+Valid, 13691 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2023-12-02 20:01:09,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4577 Valid, 13691 Invalid, 2053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2042 Invalid, 9 Unknown, 0 Unchecked, 30.0s Time] [2023-12-02 20:01:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32028 states. [2023-12-02 20:01:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32028 to 32016. [2023-12-02 20:01:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32016 states, 18846 states have (on average 1.2536877852064099) internal successors, (23627), 19517 states have internal predecessors, (23627), 9945 states have call successors, (9945), 3203 states have call predecessors, (9945), 3200 states have return successors, (10882), 9805 states have call predecessors, (10882), 9943 states have call successors, (10882) [2023-12-02 20:01:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32016 states to 32016 states and 44454 transitions. [2023-12-02 20:01:12,952 INFO L78 Accepts]: Start accepts. Automaton has 32016 states and 44454 transitions. Word has length 113 [2023-12-02 20:01:12,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:01:12,953 INFO L495 AbstractCegarLoop]: Abstraction has 32016 states and 44454 transitions. [2023-12-02 20:01:12,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 20:01:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32016 states and 44454 transitions. [2023-12-02 20:01:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 20:01:12,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:01:12,957 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 20:01:12,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 20:01:12,958 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 20:01:12,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:01:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash 922182, now seen corresponding path program 1 times [2023-12-02 20:01:12,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:01:12,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580212952] [2023-12-02 20:01:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:01:12,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:01:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:01:13,233 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 20:01:13,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:01:13,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580212952] [2023-12-02 20:01:13,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580212952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:01:13,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:01:13,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:01:13,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847133996] [2023-12-02 20:01:13,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:01:13,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:01:13,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:01:13,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:01:13,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:01:13,235 INFO L87 Difference]: Start difference. First operand 32016 states and 44454 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 20:01:16,500 WARN L539 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 20:01:18,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:20,697 WARN L539 Checker$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 20:01:22,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:24,768 WARN L539 Checker$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 20:01:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:28,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:01:36,662 INFO L93 Difference]: Finished difference Result 32016 states and 44454 transitions. [2023-12-02 20:01:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:01:36,663 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 20:01:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:01:36,768 INFO L225 Difference]: With dead ends: 32016 [2023-12-02 20:01:36,768 INFO L226 Difference]: Without dead ends: 32014 [2023-12-02 20:01:36,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:01:36,783 INFO L413 NwaCegarLoop]: 4161 mSDtfsCounter, 4726 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4726 SdHoareTripleChecker+Valid, 8322 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:01:36,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4726 Valid, 8322 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 20.2s Time] [2023-12-02 20:01:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32014 states. [2023-12-02 20:01:39,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32014 to 32014. [2023-12-02 20:01:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32014 states, 18845 states have (on average 1.2536481825417882) internal successors, (23625), 19515 states have internal predecessors, (23625), 9945 states have call successors, (9945), 3203 states have call predecessors, (9945), 3200 states have return successors, (10882), 9805 states have call predecessors, (10882), 9943 states have call successors, (10882) [2023-12-02 20:01:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32014 states to 32014 states and 44452 transitions. [2023-12-02 20:01:39,962 INFO L78 Accepts]: Start accepts. Automaton has 32014 states and 44452 transitions. Word has length 95 [2023-12-02 20:01:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:01:39,963 INFO L495 AbstractCegarLoop]: Abstraction has 32014 states and 44452 transitions. [2023-12-02 20:01:39,963 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 20:01:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32014 states and 44452 transitions. [2023-12-02 20:01:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 20:01:39,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:01:39,966 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 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] [2023-12-02 20:01:39,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 20:01:39,967 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 20:01:39,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:01:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash 411160578, now seen corresponding path program 1 times [2023-12-02 20:01:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:01:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099542816] [2023-12-02 20:01:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:01:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:01:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:01:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 20:01:40,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:01:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099542816] [2023-12-02 20:01:40,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099542816] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:01:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527930750] [2023-12-02 20:01:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:01:40,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:01:40,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:01:40,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:01:40,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2f542d-441f-4ff3-8761-d326121ba86f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:01:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:01:41,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 2162 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-02 20:01:41,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:01:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-02 20:01:43,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:01:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-12-02 20:01:45,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527930750] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:01:45,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1168401159] [2023-12-02 20:01:45,165 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-12-02 20:01:45,165 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 20:01:45,169 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 20:01:45,173 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 20:01:45,174 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs