./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--memstick--core--ms_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/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_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/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_58f74146-4eb6-48d5-91b8-c520b7a07334/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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:32:48,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:32:48,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 16:32:48,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:32:48,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:32:48,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:32:48,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:32:48,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:32:48,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:32:48,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:32:48,955 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:32:48,955 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:32:48,956 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:32:48,956 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:32:48,957 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:32:48,957 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:32:48,958 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:32:48,958 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:32:48,959 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:32:48,959 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:32:48,960 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:32:48,960 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:32:48,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:32:48,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:32:48,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:32:48,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:32:48,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:32:48,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:32:48,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:32:48,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:32:48,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:32:48,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:32:48,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:32:48,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:32:48,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:32:48,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:32:48,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:32:48,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:32:48,967 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:32:48,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:32:48,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:32:48,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:32:48,968 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:32:48,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:32:48,968 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_58f74146-4eb6-48d5-91b8-c520b7a07334/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2023-12-02 16:32:49,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:32:49,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:32:49,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:32:49,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:32:49,212 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:32:49,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2023-12-02 16:32:52,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:32:52,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:32:52,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2023-12-02 16:32:52,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/data/b004a9657/08a8c7906f42410c90e9d22b6af03668/FLAG8343eed79 [2023-12-02 16:32:52,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/data/b004a9657/08a8c7906f42410c90e9d22b6af03668 [2023-12-02 16:32:52,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:32:52,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:32:52,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:32:52,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:32:52,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:32:52,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:32:52" (1/1) ... [2023-12-02 16:32:52,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25857bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:52, skipping insertion in model container [2023-12-02 16:32:52,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:32:52" (1/1) ... [2023-12-02 16:32:52,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:32:55,802 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2023-12-02 16:32:55,805 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2023-12-02 16:32:55,805 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2023-12-02 16:32:55,806 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2023-12-02 16:32:55,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2023-12-02 16:32:55,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2023-12-02 16:32:55,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2023-12-02 16:32:55,808 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2023-12-02 16:32:55,808 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2023-12-02 16:32:55,808 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2023-12-02 16:32:55,809 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2023-12-02 16:32:55,809 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2023-12-02 16:32:55,810 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2023-12-02 16:32:55,810 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2023-12-02 16:32:55,811 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2023-12-02 16:32:55,811 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2023-12-02 16:32:55,812 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2023-12-02 16:32:55,812 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2023-12-02 16:32:55,813 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2023-12-02 16:32:55,814 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2023-12-02 16:32:55,814 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2023-12-02 16:32:55,815 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2023-12-02 16:32:55,815 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2023-12-02 16:32:55,816 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2023-12-02 16:32:55,816 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2023-12-02 16:32:55,817 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2023-12-02 16:32:55,817 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2023-12-02 16:32:55,818 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2023-12-02 16:32:55,819 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2023-12-02 16:32:55,819 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2023-12-02 16:32:55,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2023-12-02 16:32:55,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2023-12-02 16:32:55,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2023-12-02 16:32:55,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2023-12-02 16:32:55,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2023-12-02 16:32:55,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2023-12-02 16:32:55,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2023-12-02 16:32:55,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2023-12-02 16:32:55,823 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2023-12-02 16:32:55,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2023-12-02 16:32:55,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2023-12-02 16:32:55,825 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2023-12-02 16:32:55,825 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2023-12-02 16:32:55,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2023-12-02 16:32:55,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2023-12-02 16:32:55,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2023-12-02 16:32:55,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2023-12-02 16:32:55,827 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2023-12-02 16:32:55,828 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2023-12-02 16:32:55,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2023-12-02 16:32:55,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2023-12-02 16:32:55,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2023-12-02 16:32:55,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2023-12-02 16:32:55,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2023-12-02 16:32:55,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2023-12-02 16:32:55,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2023-12-02 16:32:55,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2023-12-02 16:32:55,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2023-12-02 16:32:55,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2023-12-02 16:32:55,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2023-12-02 16:32:55,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2023-12-02 16:32:55,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2023-12-02 16:32:55,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2023-12-02 16:32:55,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2023-12-02 16:32:55,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2023-12-02 16:32:55,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2023-12-02 16:32:55,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2023-12-02 16:32:55,861 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2023-12-02 16:32:55,862 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2023-12-02 16:32:55,862 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2023-12-02 16:32:55,863 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2023-12-02 16:32:55,863 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2023-12-02 16:32:55,864 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2023-12-02 16:32:55,864 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2023-12-02 16:32:55,864 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2023-12-02 16:32:55,865 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2023-12-02 16:32:55,865 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2023-12-02 16:32:55,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2023-12-02 16:32:55,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2023-12-02 16:32:55,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2023-12-02 16:32:55,867 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2023-12-02 16:32:55,867 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2023-12-02 16:32:55,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2023-12-02 16:32:55,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2023-12-02 16:32:55,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2023-12-02 16:32:55,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2023-12-02 16:32:55,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2023-12-02 16:32:55,870 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2023-12-02 16:32:55,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:32:55,906 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:32:55,989 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4563] [2023-12-02 16:32:55,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4570] [2023-12-02 16:32:55,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4577] [2023-12-02 16:32:55,991 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)); [4585-4586] [2023-12-02 16:32:55,994 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)); [4666-4667] [2023-12-02 16:32:55,994 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"); [4672-4674] [2023-12-02 16:32:55,995 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" (809), "i" (12UL)); [4699-4700] [2023-12-02 16:32:55,995 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4705-4707] [2023-12-02 16:32:55,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [4731-4732] [2023-12-02 16:32:55,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4737-4739] [2023-12-02 16:32:56,002 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)); [4921-4922] [2023-12-02 16:32:56,002 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)); [4932-4933] [2023-12-02 16:32:56,003 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)); [4943-4944] [2023-12-02 16:32:56,004 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 *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [4975-4976] [2023-12-02 16:32:56,005 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)); [4986-4987] [2023-12-02 16:32:56,005 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)); [5004-5005] [2023-12-02 16:32:56,034 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 *)"drivers/memstick/core/ms_block.c"), "i" (464), "i" (12UL)); [5725-5726] [2023-12-02 16:32:56,039 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/memstick/core/ms_block.c"), "i" (577), "i" (12UL)); [5894-5895] [2023-12-02 16:32:56,042 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/memstick/core/ms_block.c"), "i" (653), "i" (12UL)); [6029-6030] [2023-12-02 16:32:56,044 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 *)"drivers/memstick/core/ms_block.c"), "i" (676), "i" (12UL)); [6086-6087] [2023-12-02 16:32:56,049 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/memstick/core/ms_block.c"), "i" (719), "i" (12UL)); [6166-6167] [2023-12-02 16:32:56,065 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/memstick/core/ms_block.c"), "i" (953), "i" (12UL)); [6555-6556] [2023-12-02 16:32:56,068 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/memstick/core/ms_block.c"), "i" (1004), "i" (12UL)); [6645-6646] [2023-12-02 16:32:56,082 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/memstick/core/ms_block.c"), "i" (1262), "i" (12UL)); [7113-7114] [2023-12-02 16:32:56,272 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2023-12-02 16:32:56,272 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2023-12-02 16:32:56,273 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2023-12-02 16:32:56,273 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2023-12-02 16:32:56,274 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2023-12-02 16:32:56,275 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2023-12-02 16:32:56,275 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2023-12-02 16:32:56,276 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2023-12-02 16:32:56,276 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2023-12-02 16:32:56,277 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2023-12-02 16:32:56,277 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2023-12-02 16:32:56,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2023-12-02 16:32:56,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2023-12-02 16:32:56,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2023-12-02 16:32:56,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2023-12-02 16:32:56,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2023-12-02 16:32:56,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2023-12-02 16:32:56,281 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2023-12-02 16:32:56,281 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2023-12-02 16:32:56,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2023-12-02 16:32:56,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2023-12-02 16:32:56,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2023-12-02 16:32:56,283 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2023-12-02 16:32:56,283 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2023-12-02 16:32:56,284 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2023-12-02 16:32:56,284 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2023-12-02 16:32:56,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2023-12-02 16:32:56,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2023-12-02 16:32:56,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2023-12-02 16:32:56,286 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2023-12-02 16:32:56,286 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2023-12-02 16:32:56,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2023-12-02 16:32:56,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2023-12-02 16:32:56,288 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2023-12-02 16:32:56,288 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2023-12-02 16:32:56,289 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2023-12-02 16:32:56,289 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2023-12-02 16:32:56,290 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2023-12-02 16:32:56,290 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2023-12-02 16:32:56,291 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2023-12-02 16:32:56,291 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2023-12-02 16:32:56,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2023-12-02 16:32:56,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2023-12-02 16:32:56,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2023-12-02 16:32:56,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2023-12-02 16:32:56,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2023-12-02 16:32:56,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2023-12-02 16:32:56,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2023-12-02 16:32:56,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2023-12-02 16:32:56,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2023-12-02 16:32:56,296 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2023-12-02 16:32:56,296 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2023-12-02 16:32:56,297 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2023-12-02 16:32:56,297 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2023-12-02 16:32:56,298 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2023-12-02 16:32:56,298 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2023-12-02 16:32:56,298 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2023-12-02 16:32:56,299 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2023-12-02 16:32:56,299 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2023-12-02 16:32:56,300 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2023-12-02 16:32:56,300 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2023-12-02 16:32:56,301 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2023-12-02 16:32:56,301 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2023-12-02 16:32:56,302 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2023-12-02 16:32:56,302 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2023-12-02 16:32:56,303 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2023-12-02 16:32:56,303 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2023-12-02 16:32:56,304 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2023-12-02 16:32:56,304 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2023-12-02 16:32:56,305 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2023-12-02 16:32:56,305 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2023-12-02 16:32:56,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2023-12-02 16:32:56,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2023-12-02 16:32:56,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2023-12-02 16:32:56,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2023-12-02 16:32:56,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2023-12-02 16:32:56,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2023-12-02 16:32:56,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2023-12-02 16:32:56,309 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2023-12-02 16:32:56,309 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2023-12-02 16:32:56,310 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2023-12-02 16:32:56,310 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2023-12-02 16:32:56,311 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2023-12-02 16:32:56,311 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2023-12-02 16:32:56,311 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2023-12-02 16:32:56,312 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2023-12-02 16:32:56,312 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2023-12-02 16:32:56,313 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2023-12-02 16:32:56,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:32:56,515 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:32:56,515 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:32:56,523 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:32:56,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56 WrapperNode [2023-12-02 16:32:56,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:32:56,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:32:56,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:32:56,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:32:56,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,721 INFO L138 Inliner]: procedures = 602, calls = 2282, calls flagged for inlining = 266, calls inlined = 158, statements flattened = 3479 [2023-12-02 16:32:56,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:32:56,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:32:56,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:32:56,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:32:56,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:32:56,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:32:56,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:32:56,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:32:56,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (1/1) ... [2023-12-02 16:32:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:32:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:32:56,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:32:56,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:32:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 16:32:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 16:32:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 16:32:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 16:32:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2023-12-02 16:32:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2023-12-02 16:32:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2023-12-02 16:32:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2023-12-02 16:32:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2023-12-02 16:32:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2023-12-02 16:32:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-12-02 16:32:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-12-02 16:32:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 16:32:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 16:32:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 16:32:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 16:32:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 16:32:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 16:32:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-12-02 16:32:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 16:32:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 16:32:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2023-12-02 16:32:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 16:32:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 16:32:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 16:32:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 16:32:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 16:32:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-12-02 16:32:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2023-12-02 16:32:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2023-12-02 16:32:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-12-02 16:32:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2023-12-02 16:32:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 16:32:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2023-12-02 16:32:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 16:32:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 16:32:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 16:32:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 16:32:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 16:32:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 16:32:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 16:32:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2023-12-02 16:32:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 16:32:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 16:32:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2023-12-02 16:32:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 16:32:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 16:32:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 16:32:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2023-12-02 16:32:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2023-12-02 16:32:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-12-02 16:32:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-12-02 16:32:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 16:32:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 16:32:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2023-12-02 16:32:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2023-12-02 16:32:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2023-12-02 16:32:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2023-12-02 16:32:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 16:32:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 16:32:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 16:32:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 16:32:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:32:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2023-12-02 16:32:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2023-12-02 16:32:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2023-12-02 16:32:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2023-12-02 16:32:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 16:32:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2023-12-02 16:32:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2023-12-02 16:32:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 16:32:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 16:32:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 16:32:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 16:32:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 16:32:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-12-02 16:32:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2023-12-02 16:32:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2023-12-02 16:32:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2023-12-02 16:32:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2023-12-02 16:32:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2023-12-02 16:32:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 16:32:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 16:32:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-12-02 16:32:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-12-02 16:32:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2023-12-02 16:32:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2023-12-02 16:32:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 16:32:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 16:32:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 16:32:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 16:32:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 16:32:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 16:32:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-12-02 16:32:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-12-02 16:32:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 16:32:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 16:32:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 16:32:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 16:32:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 16:32:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 16:32:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 16:32:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 16:32:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2023-12-02 16:32:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2023-12-02 16:32:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-12-02 16:32:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2023-12-02 16:32:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2023-12-02 16:32:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 16:32:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 16:32:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2023-12-02 16:32:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2023-12-02 16:32:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-12-02 16:32:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-12-02 16:32:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2023-12-02 16:32:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2023-12-02 16:32:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:32:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-12-02 16:32:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-12-02 16:32:57,529 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:32:57,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:32:57,594 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 16:32:59,879 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:33:00,596 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:33:00,596 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:33:00,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:33:00 BoogieIcfgContainer [2023-12-02 16:33:00,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:33:00,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:33:00,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:33:00,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:33:00,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:32:52" (1/3) ... [2023-12-02 16:33:00,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b05f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:33:00, skipping insertion in model container [2023-12-02 16:33:00,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:32:56" (2/3) ... [2023-12-02 16:33:00,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b05f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:33:00, skipping insertion in model container [2023-12-02 16:33:00,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:33:00" (3/3) ... [2023-12-02 16:33:00,608 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2023-12-02 16:33:00,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:33:00,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-12-02 16:33:00,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:33:00,737 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;@7fe63dce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:33:00,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-12-02 16:33:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 721 states have (on average 1.3231622746185854) internal successors, (954), 774 states have internal predecessors, (954), 374 states have call successors, (374), 100 states have call predecessors, (374), 99 states have return successors, (371), 368 states have call predecessors, (371), 371 states have call successors, (371) [2023-12-02 16:33:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 16:33:00,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:00,760 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:00,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:00,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1011297024, now seen corresponding path program 1 times [2023-12-02 16:33:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:00,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042825779] [2023-12-02 16:33:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:01,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:01,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042825779] [2023-12-02 16:33:01,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042825779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:01,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:01,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:01,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362495051] [2023-12-02 16:33:01,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:01,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:01,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:01,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:01,480 INFO L87 Difference]: Start difference. First operand has 1231 states, 721 states have (on average 1.3231622746185854) internal successors, (954), 774 states have internal predecessors, (954), 374 states have call successors, (374), 100 states have call predecessors, (374), 99 states have return successors, (371), 368 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 16:33:03,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:03,027 INFO L93 Difference]: Finished difference Result 2424 states and 3472 transitions. [2023-12-02 16:33:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:03,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 42 [2023-12-02 16:33:03,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:03,048 INFO L225 Difference]: With dead ends: 2424 [2023-12-02 16:33:03,048 INFO L226 Difference]: Without dead ends: 1218 [2023-12-02 16:33:03,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:03,064 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 1643 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:03,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 3010 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 16:33:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2023-12-02 16:33:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1218. [2023-12-02 16:33:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 714 states have (on average 1.2703081232492996) internal successors, (907), 764 states have internal predecessors, (907), 371 states have call successors, (371), 99 states have call predecessors, (371), 98 states have return successors, (369), 366 states have call predecessors, (369), 369 states have call successors, (369) [2023-12-02 16:33:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1647 transitions. [2023-12-02 16:33:03,218 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1647 transitions. Word has length 42 [2023-12-02 16:33:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:03,219 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 1647 transitions. [2023-12-02 16:33:03,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 16:33:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1647 transitions. [2023-12-02 16:33:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 16:33:03,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:03,223 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:03,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:33:03,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:03,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:03,224 INFO L85 PathProgramCache]: Analyzing trace with hash 38279760, now seen corresponding path program 1 times [2023-12-02 16:33:03,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:03,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295155994] [2023-12-02 16:33:03,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:03,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 16:33:04,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:04,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295155994] [2023-12-02 16:33:04,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295155994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:04,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:04,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 16:33:04,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039189539] [2023-12-02 16:33:04,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:04,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 16:33:04,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:04,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 16:33:04,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 16:33:04,010 INFO L87 Difference]: Start difference. First operand 1218 states and 1647 transitions. Second operand has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-12-02 16:33:07,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:07,662 INFO L93 Difference]: Finished difference Result 1412 states and 1866 transitions. [2023-12-02 16:33:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 16:33:07,663 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 46 [2023-12-02 16:33:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:07,673 INFO L225 Difference]: With dead ends: 1412 [2023-12-02 16:33:07,673 INFO L226 Difference]: Without dead ends: 1251 [2023-12-02 16:33:07,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 16:33:07,676 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 15 mSDsluCounter, 14706 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 16181 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:07,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 16181 Invalid, 1994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:33:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-12-02 16:33:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1227. [2023-12-02 16:33:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 719 states have (on average 1.2684283727399166) internal successors, (912), 769 states have internal predecessors, (912), 375 states have call successors, (375), 99 states have call predecessors, (375), 98 states have return successors, (373), 370 states have call predecessors, (373), 373 states have call successors, (373) [2023-12-02 16:33:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1660 transitions. [2023-12-02 16:33:07,768 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1660 transitions. Word has length 46 [2023-12-02 16:33:07,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:07,769 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1660 transitions. [2023-12-02 16:33:07,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-12-02 16:33:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1660 transitions. [2023-12-02 16:33:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 16:33:07,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:07,772 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:07,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:33:07,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:07,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1143492798, now seen corresponding path program 1 times [2023-12-02 16:33:07,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:07,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267111028] [2023-12-02 16:33:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:08,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:08,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267111028] [2023-12-02 16:33:08,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267111028] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:08,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:08,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:08,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914208003] [2023-12-02 16:33:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:08,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:08,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:08,118 INFO L87 Difference]: Start difference. First operand 1227 states and 1660 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 16:33:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:09,502 INFO L93 Difference]: Finished difference Result 2373 states and 3209 transitions. [2023-12-02 16:33:09,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:33:09,503 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 47 [2023-12-02 16:33:09,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:09,521 INFO L225 Difference]: With dead ends: 2373 [2023-12-02 16:33:09,522 INFO L226 Difference]: Without dead ends: 2371 [2023-12-02 16:33:09,524 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 16:33:09,525 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 1573 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:09,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 4466 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 16:33:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2023-12-02 16:33:09,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2193. [2023-12-02 16:33:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 1296 states have (on average 1.2731481481481481) internal successors, (1650), 1362 states have internal predecessors, (1650), 684 states have call successors, (684), 179 states have call predecessors, (684), 178 states have return successors, (688), 674 states have call predecessors, (688), 682 states have call successors, (688) [2023-12-02 16:33:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3022 transitions. [2023-12-02 16:33:09,672 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3022 transitions. Word has length 47 [2023-12-02 16:33:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:09,673 INFO L495 AbstractCegarLoop]: Abstraction has 2193 states and 3022 transitions. [2023-12-02 16:33:09,673 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 16:33:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3022 transitions. [2023-12-02 16:33:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 16:33:09,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:09,675 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:09,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:33:09,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:09,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash -251057672, now seen corresponding path program 1 times [2023-12-02 16:33:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:09,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724729561] [2023-12-02 16:33:09,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:09,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:09,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724729561] [2023-12-02 16:33:09,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724729561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:09,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:09,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:09,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549742661] [2023-12-02 16:33:09,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:09,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:09,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:09,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:09,898 INFO L87 Difference]: Start difference. First operand 2193 states and 3022 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 16:33:11,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:11,556 INFO L93 Difference]: Finished difference Result 4297 states and 5915 transitions. [2023-12-02 16:33:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:33:11,557 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 52 [2023-12-02 16:33:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:11,580 INFO L225 Difference]: With dead ends: 4297 [2023-12-02 16:33:11,580 INFO L226 Difference]: Without dead ends: 4295 [2023-12-02 16:33:11,582 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 16:33:11,583 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 1593 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:11,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 4425 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 16:33:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4295 states. [2023-12-02 16:33:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4295 to 4119. [2023-12-02 16:33:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4119 states, 2448 states have (on average 1.2777777777777777) internal successors, (3128), 2550 states have internal predecessors, (3128), 1299 states have call successors, (1299), 340 states have call predecessors, (1299), 337 states have return successors, (1307), 1273 states have call predecessors, (1307), 1297 states have call successors, (1307) [2023-12-02 16:33:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 5734 transitions. [2023-12-02 16:33:11,788 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 5734 transitions. Word has length 52 [2023-12-02 16:33:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:11,788 INFO L495 AbstractCegarLoop]: Abstraction has 4119 states and 5734 transitions. [2023-12-02 16:33:11,789 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 16:33:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 5734 transitions. [2023-12-02 16:33:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 16:33:11,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:11,791 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:11,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:33:11,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:11,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:11,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1423024462, now seen corresponding path program 1 times [2023-12-02 16:33:11,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:11,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997862018] [2023-12-02 16:33:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:11,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 16:33:12,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:12,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997862018] [2023-12-02 16:33:12,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997862018] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:33:12,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956205773] [2023-12-02 16:33:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:12,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:33:12,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:33:12,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:33:12,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:33:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:12,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 16:33:12,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:33:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 16:33:12,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:33:12,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956205773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:12,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:33:12,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2023-12-02 16:33:12,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869559886] [2023-12-02 16:33:12,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 16:33:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:12,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 16:33:12,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:33:12,847 INFO L87 Difference]: Start difference. First operand 4119 states and 5734 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 16:33:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:15,046 INFO L93 Difference]: Finished difference Result 4394 states and 6081 transitions. [2023-12-02 16:33:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 16:33:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2023-12-02 16:33:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:15,080 INFO L225 Difference]: With dead ends: 4394 [2023-12-02 16:33:15,081 INFO L226 Difference]: Without dead ends: 4192 [2023-12-02 16:33:15,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 16:33:15,085 INFO L413 NwaCegarLoop]: 1527 mSDtfsCounter, 25 mSDsluCounter, 7567 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 9094 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:15,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 9094 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:33:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4192 states. [2023-12-02 16:33:15,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4192 to 4121. [2023-12-02 16:33:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 2450 states have (on average 1.2775510204081633) internal successors, (3130), 2552 states have internal predecessors, (3130), 1299 states have call successors, (1299), 340 states have call predecessors, (1299), 337 states have return successors, (1307), 1273 states have call predecessors, (1307), 1297 states have call successors, (1307) [2023-12-02 16:33:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5736 transitions. [2023-12-02 16:33:15,380 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5736 transitions. Word has length 55 [2023-12-02 16:33:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:15,381 INFO L495 AbstractCegarLoop]: Abstraction has 4121 states and 5736 transitions. [2023-12-02 16:33:15,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 16:33:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5736 transitions. [2023-12-02 16:33:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 16:33:15,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:15,383 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:15,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 16:33:15,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:33:15,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:15,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:15,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1416587557, now seen corresponding path program 1 times [2023-12-02 16:33:15,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:15,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612740109] [2023-12-02 16:33:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:15,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:15,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612740109] [2023-12-02 16:33:15,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612740109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:15,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:15,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:15,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312129277] [2023-12-02 16:33:15,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:15,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:15,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:15,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:15,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:15,788 INFO L87 Difference]: Start difference. First operand 4121 states and 5736 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 16:33:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:16,845 INFO L93 Difference]: Finished difference Result 4121 states and 5736 transitions. [2023-12-02 16:33:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:16,846 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 57 [2023-12-02 16:33:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:16,869 INFO L225 Difference]: With dead ends: 4121 [2023-12-02 16:33:16,869 INFO L226 Difference]: Without dead ends: 4119 [2023-12-02 16:33:16,872 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 16:33:16,872 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 1625 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:16,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 2982 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 16:33:16,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2023-12-02 16:33:17,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 4119. [2023-12-02 16:33:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4119 states, 2449 states have (on average 1.2772560228664762) internal successors, (3128), 2550 states have internal predecessors, (3128), 1299 states have call successors, (1299), 340 states have call predecessors, (1299), 337 states have return successors, (1307), 1273 states have call predecessors, (1307), 1297 states have call successors, (1307) [2023-12-02 16:33:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 5734 transitions. [2023-12-02 16:33:17,099 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 5734 transitions. Word has length 57 [2023-12-02 16:33:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:17,099 INFO L495 AbstractCegarLoop]: Abstraction has 4119 states and 5734 transitions. [2023-12-02 16:33:17,100 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 16:33:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 5734 transitions. [2023-12-02 16:33:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 16:33:17,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:17,101 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-12-02 16:33:17,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:33:17,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:17,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:17,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1446513712, now seen corresponding path program 1 times [2023-12-02 16:33:17,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:17,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095302016] [2023-12-02 16:33:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 16:33:17,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095302016] [2023-12-02 16:33:17,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095302016] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:17,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:17,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 16:33:17,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065493158] [2023-12-02 16:33:17,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:17,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 16:33:17,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:17,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 16:33:17,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 16:33:17,735 INFO L87 Difference]: Start difference. First operand 4119 states and 5734 transitions. Second operand has 12 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 11 states have internal predecessors, (32), 7 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-12-02 16:33:20,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:20,691 INFO L93 Difference]: Finished difference Result 4447 states and 6122 transitions. [2023-12-02 16:33:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 16:33:20,691 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 11 states have internal predecessors, (32), 7 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 63 [2023-12-02 16:33:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:20,723 INFO L225 Difference]: With dead ends: 4447 [2023-12-02 16:33:20,723 INFO L226 Difference]: Without dead ends: 4202 [2023-12-02 16:33:20,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 16:33:20,727 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 17 mSDsluCounter, 14654 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 16126 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:20,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 16126 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:33:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4202 states. [2023-12-02 16:33:21,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4202 to 4150. [2023-12-02 16:33:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4150 states, 2468 states have (on average 1.2751215559157212) internal successors, (3147), 2569 states have internal predecessors, (3147), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4150 states to 4150 states and 5777 transitions. [2023-12-02 16:33:21,047 INFO L78 Accepts]: Start accepts. Automaton has 4150 states and 5777 transitions. Word has length 63 [2023-12-02 16:33:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:21,047 INFO L495 AbstractCegarLoop]: Abstraction has 4150 states and 5777 transitions. [2023-12-02 16:33:21,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 11 states have internal predecessors, (32), 7 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-12-02 16:33:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 4150 states and 5777 transitions. [2023-12-02 16:33:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 16:33:21,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:21,050 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:21,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 16:33:21,050 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:21,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1779383541, now seen corresponding path program 1 times [2023-12-02 16:33:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527385630] [2023-12-02 16:33:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:21,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:21,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527385630] [2023-12-02 16:33:21,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527385630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:21,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:21,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:21,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375824150] [2023-12-02 16:33:21,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:21,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:21,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:21,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:21,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:21,283 INFO L87 Difference]: Start difference. First operand 4150 states and 5777 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 16:33:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:22,250 INFO L93 Difference]: Finished difference Result 4150 states and 5777 transitions. [2023-12-02 16:33:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:22,251 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 62 [2023-12-02 16:33:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:22,277 INFO L225 Difference]: With dead ends: 4150 [2023-12-02 16:33:22,277 INFO L226 Difference]: Without dead ends: 4148 [2023-12-02 16:33:22,280 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 16:33:22,280 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 1622 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:22,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 2978 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 16:33:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2023-12-02 16:33:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4148. [2023-12-02 16:33:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4148 states, 2467 states have (on average 1.2748277259829752) internal successors, (3145), 2567 states have internal predecessors, (3145), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 5775 transitions. [2023-12-02 16:33:22,483 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 5775 transitions. Word has length 62 [2023-12-02 16:33:22,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:22,483 INFO L495 AbstractCegarLoop]: Abstraction has 4148 states and 5775 transitions. [2023-12-02 16:33:22,483 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 16:33:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 5775 transitions. [2023-12-02 16:33:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 16:33:22,484 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:22,485 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 16:33:22,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 16:33:22,485 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:22,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:22,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1138140793, now seen corresponding path program 1 times [2023-12-02 16:33:22,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:22,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902767786] [2023-12-02 16:33:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:22,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:22,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902767786] [2023-12-02 16:33:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902767786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:22,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:22,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277100239] [2023-12-02 16:33:22,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:22,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:22,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:22,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:22,723 INFO L87 Difference]: Start difference. First operand 4148 states and 5775 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 16:33:23,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:23,463 INFO L93 Difference]: Finished difference Result 4148 states and 5775 transitions. [2023-12-02 16:33:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:23,464 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 67 [2023-12-02 16:33:23,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:23,487 INFO L225 Difference]: With dead ends: 4148 [2023-12-02 16:33:23,487 INFO L226 Difference]: Without dead ends: 4146 [2023-12-02 16:33:23,489 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 16:33:23,490 INFO L413 NwaCegarLoop]: 1487 mSDtfsCounter, 1619 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:23,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 2974 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 16:33:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2023-12-02 16:33:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 4146. [2023-12-02 16:33:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 2466 states have (on average 1.2745336577453366) internal successors, (3143), 2565 states have internal predecessors, (3143), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5773 transitions. [2023-12-02 16:33:23,734 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5773 transitions. Word has length 67 [2023-12-02 16:33:23,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:23,734 INFO L495 AbstractCegarLoop]: Abstraction has 4146 states and 5773 transitions. [2023-12-02 16:33:23,734 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 16:33:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5773 transitions. [2023-12-02 16:33:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 16:33:23,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:23,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:23,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 16:33:23,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:23,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:23,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1971047809, now seen corresponding path program 1 times [2023-12-02 16:33:23,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064235294] [2023-12-02 16:33:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:23,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:23,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064235294] [2023-12-02 16:33:23,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064235294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:23,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:23,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:23,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797392440] [2023-12-02 16:33:23,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:23,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:23,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:23,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:23,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:23,959 INFO L87 Difference]: Start difference. First operand 4146 states and 5773 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 16:33:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:24,720 INFO L93 Difference]: Finished difference Result 4146 states and 5773 transitions. [2023-12-02 16:33:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:24,721 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 72 [2023-12-02 16:33:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:24,732 INFO L225 Difference]: With dead ends: 4146 [2023-12-02 16:33:24,732 INFO L226 Difference]: Without dead ends: 4144 [2023-12-02 16:33:24,733 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 16:33:24,734 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 1616 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:24,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 2970 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:33:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2023-12-02 16:33:24,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 4144. [2023-12-02 16:33:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4144 states, 2465 states have (on average 1.274239350912779) internal successors, (3141), 2563 states have internal predecessors, (3141), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 4144 states and 5771 transitions. [2023-12-02 16:33:24,953 INFO L78 Accepts]: Start accepts. Automaton has 4144 states and 5771 transitions. Word has length 72 [2023-12-02 16:33:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:24,954 INFO L495 AbstractCegarLoop]: Abstraction has 4144 states and 5771 transitions. [2023-12-02 16:33:24,954 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 16:33:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4144 states and 5771 transitions. [2023-12-02 16:33:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 16:33:24,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:24,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:24,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 16:33:24,956 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:24,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 90151008, now seen corresponding path program 1 times [2023-12-02 16:33:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:24,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163608955] [2023-12-02 16:33:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:25,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163608955] [2023-12-02 16:33:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163608955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:25,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:25,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:25,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016466965] [2023-12-02 16:33:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:25,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:25,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:25,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:25,163 INFO L87 Difference]: Start difference. First operand 4144 states and 5771 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 16:33:26,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:26,121 INFO L93 Difference]: Finished difference Result 4144 states and 5771 transitions. [2023-12-02 16:33:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:26,122 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 77 [2023-12-02 16:33:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:26,133 INFO L225 Difference]: With dead ends: 4144 [2023-12-02 16:33:26,134 INFO L226 Difference]: Without dead ends: 4142 [2023-12-02 16:33:26,135 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 16:33:26,136 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 1613 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:26,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 2965 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 16:33:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4142 states. [2023-12-02 16:33:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4142 to 4142. [2023-12-02 16:33:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 2464 states have (on average 1.2739448051948052) internal successors, (3139), 2561 states have internal predecessors, (3139), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 5769 transitions. [2023-12-02 16:33:26,471 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 5769 transitions. Word has length 77 [2023-12-02 16:33:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:26,472 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 5769 transitions. [2023-12-02 16:33:26,472 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 16:33:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 5769 transitions. [2023-12-02 16:33:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 16:33:26,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:26,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:26,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 16:33:26,474 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:26,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash 735907715, now seen corresponding path program 1 times [2023-12-02 16:33:26,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:26,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582411718] [2023-12-02 16:33:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:26,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582411718] [2023-12-02 16:33:26,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582411718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:26,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:26,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:26,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380738160] [2023-12-02 16:33:26,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:26,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:26,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:26,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:26,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:26,695 INFO L87 Difference]: Start difference. First operand 4142 states and 5769 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 16:33:27,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:27,711 INFO L93 Difference]: Finished difference Result 4142 states and 5769 transitions. [2023-12-02 16:33:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:27,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 79 [2023-12-02 16:33:27,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:27,728 INFO L225 Difference]: With dead ends: 4142 [2023-12-02 16:33:27,728 INFO L226 Difference]: Without dead ends: 4140 [2023-12-02 16:33:27,731 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 16:33:27,732 INFO L413 NwaCegarLoop]: 1481 mSDtfsCounter, 1609 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:27,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 2962 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 16:33:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4140 states. [2023-12-02 16:33:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4140 to 4140. [2023-12-02 16:33:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 2463 states have (on average 1.2736500203004466) internal successors, (3137), 2559 states have internal predecessors, (3137), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5767 transitions. [2023-12-02 16:33:28,136 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5767 transitions. Word has length 79 [2023-12-02 16:33:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:28,136 INFO L495 AbstractCegarLoop]: Abstraction has 4140 states and 5767 transitions. [2023-12-02 16:33:28,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 16:33:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5767 transitions. [2023-12-02 16:33:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 16:33:28,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:28,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:28,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 16:33:28,138 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:28,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash 44067690, now seen corresponding path program 1 times [2023-12-02 16:33:28,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:28,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133662839] [2023-12-02 16:33:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:28,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:28,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133662839] [2023-12-02 16:33:28,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133662839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:28,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:28,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:28,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646476412] [2023-12-02 16:33:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:28,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:28,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:28,359 INFO L87 Difference]: Start difference. First operand 4140 states and 5767 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 16:33:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:29,607 INFO L93 Difference]: Finished difference Result 4140 states and 5767 transitions. [2023-12-02 16:33:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:29,608 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 84 [2023-12-02 16:33:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:29,623 INFO L225 Difference]: With dead ends: 4140 [2023-12-02 16:33:29,623 INFO L226 Difference]: Without dead ends: 4138 [2023-12-02 16:33:29,625 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 16:33:29,625 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 1608 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:29,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 2958 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 16:33:29,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2023-12-02 16:33:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 4138. [2023-12-02 16:33:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 2462 states have (on average 1.2733549959382615) internal successors, (3135), 2557 states have internal predecessors, (3135), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5765 transitions. [2023-12-02 16:33:29,915 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5765 transitions. Word has length 84 [2023-12-02 16:33:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:29,916 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5765 transitions. [2023-12-02 16:33:29,916 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 16:33:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5765 transitions. [2023-12-02 16:33:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 16:33:29,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:29,918 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:29,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 16:33:29,918 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:29,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:29,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1435155335, now seen corresponding path program 1 times [2023-12-02 16:33:29,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:29,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453667868] [2023-12-02 16:33:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:30,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:30,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453667868] [2023-12-02 16:33:30,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453667868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:30,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:30,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:30,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551971639] [2023-12-02 16:33:30,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:30,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:30,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:30,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:30,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:30,136 INFO L87 Difference]: Start difference. First operand 4138 states and 5765 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 16:33:31,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:33:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:32,469 INFO L93 Difference]: Finished difference Result 4138 states and 5765 transitions. [2023-12-02 16:33:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:32,470 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 89 [2023-12-02 16:33:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:32,480 INFO L225 Difference]: With dead ends: 4138 [2023-12-02 16:33:32,480 INFO L226 Difference]: Without dead ends: 4136 [2023-12-02 16:33:32,482 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 16:33:32,483 INFO L413 NwaCegarLoop]: 1477 mSDtfsCounter, 1605 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:32,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 2954 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:33:32,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2023-12-02 16:33:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 4136. [2023-12-02 16:33:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 2461 states have (on average 1.2730597318163348) internal successors, (3133), 2555 states have internal predecessors, (3133), 1311 states have call successors, (1311), 340 states have call predecessors, (1311), 337 states have return successors, (1319), 1285 states have call predecessors, (1319), 1309 states have call successors, (1319) [2023-12-02 16:33:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 5763 transitions. [2023-12-02 16:33:32,826 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 5763 transitions. Word has length 89 [2023-12-02 16:33:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:32,826 INFO L495 AbstractCegarLoop]: Abstraction has 4136 states and 5763 transitions. [2023-12-02 16:33:32,826 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 16:33:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 5763 transitions. [2023-12-02 16:33:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 16:33:32,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:32,828 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:32,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 16:33:32,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:32,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1755164424, now seen corresponding path program 1 times [2023-12-02 16:33:32,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:32,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140691824] [2023-12-02 16:33:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 16:33:33,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:33,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140691824] [2023-12-02 16:33:33,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140691824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:33,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:33:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713228179] [2023-12-02 16:33:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:33:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:33:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:33,450 INFO L87 Difference]: Start difference. First operand 4136 states and 5763 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 16:33:34,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:34,791 INFO L93 Difference]: Finished difference Result 4248 states and 5863 transitions. [2023-12-02 16:33:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:33:34,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2023-12-02 16:33:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:34,805 INFO L225 Difference]: With dead ends: 4248 [2023-12-02 16:33:34,805 INFO L226 Difference]: Without dead ends: 4246 [2023-12-02 16:33:34,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 16:33:34,807 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 1554 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:34,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 4574 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 16:33:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4246 states. [2023-12-02 16:33:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4246 to 4238. [2023-12-02 16:33:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4238 states, 2530 states have (on average 1.2711462450592885) internal successors, (3216), 2625 states have internal predecessors, (3216), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5854 transitions. [2023-12-02 16:33:35,113 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5854 transitions. Word has length 121 [2023-12-02 16:33:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:35,113 INFO L495 AbstractCegarLoop]: Abstraction has 4238 states and 5854 transitions. [2023-12-02 16:33:35,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 16:33:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5854 transitions. [2023-12-02 16:33:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 16:33:35,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:35,115 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:35,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 16:33:35,115 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:35,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash 216306742, now seen corresponding path program 1 times [2023-12-02 16:33:35,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:35,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821272795] [2023-12-02 16:33:35,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:35,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:35,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821272795] [2023-12-02 16:33:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821272795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:35,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:35,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:35,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9684604] [2023-12-02 16:33:35,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:35,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:35,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:35,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:35,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:35,282 INFO L87 Difference]: Start difference. First operand 4238 states and 5854 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 16:33:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:36,306 INFO L93 Difference]: Finished difference Result 4238 states and 5854 transitions. [2023-12-02 16:33:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:36,307 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 94 [2023-12-02 16:33:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:36,317 INFO L225 Difference]: With dead ends: 4238 [2023-12-02 16:33:36,317 INFO L226 Difference]: Without dead ends: 4236 [2023-12-02 16:33:36,319 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 16:33:36,319 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1602 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:36,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 2950 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 16:33:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2023-12-02 16:33:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4236. [2023-12-02 16:33:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4236 states, 2529 states have (on average 1.2708580466587585) internal successors, (3214), 2623 states have internal predecessors, (3214), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 4236 states and 5852 transitions. [2023-12-02 16:33:36,655 INFO L78 Accepts]: Start accepts. Automaton has 4236 states and 5852 transitions. Word has length 94 [2023-12-02 16:33:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:36,655 INFO L495 AbstractCegarLoop]: Abstraction has 4236 states and 5852 transitions. [2023-12-02 16:33:36,655 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 16:33:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4236 states and 5852 transitions. [2023-12-02 16:33:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 16:33:36,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:36,656 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:36,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 16:33:36,657 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:36,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1799314717, now seen corresponding path program 1 times [2023-12-02 16:33:36,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:36,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354436393] [2023-12-02 16:33:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:36,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 16:33:37,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:37,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354436393] [2023-12-02 16:33:37,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354436393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:37,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:37,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 16:33:37,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244296752] [2023-12-02 16:33:37,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:37,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:33:37,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:37,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:33:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:33:37,118 INFO L87 Difference]: Start difference. First operand 4236 states and 5852 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 16:33:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:39,558 INFO L93 Difference]: Finished difference Result 4236 states and 5852 transitions. [2023-12-02 16:33:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:33:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-12-02 16:33:39,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:39,567 INFO L225 Difference]: With dead ends: 4236 [2023-12-02 16:33:39,567 INFO L226 Difference]: Without dead ends: 4234 [2023-12-02 16:33:39,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:33:39,569 INFO L413 NwaCegarLoop]: 1474 mSDtfsCounter, 1597 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:39,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 5154 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:33:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2023-12-02 16:33:39,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 4234. [2023-12-02 16:33:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 2528 states have (on average 1.2693829113924051) internal successors, (3209), 2621 states have internal predecessors, (3209), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 5847 transitions. [2023-12-02 16:33:39,922 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 5847 transitions. Word has length 123 [2023-12-02 16:33:39,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:39,922 INFO L495 AbstractCegarLoop]: Abstraction has 4234 states and 5847 transitions. [2023-12-02 16:33:39,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 16:33:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 5847 transitions. [2023-12-02 16:33:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 16:33:39,924 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:39,924 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:39,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 16:33:39,925 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:39,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:39,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2092739519, now seen corresponding path program 1 times [2023-12-02 16:33:39,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:39,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817961163] [2023-12-02 16:33:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:39,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 16:33:40,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:40,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817961163] [2023-12-02 16:33:40,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817961163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:40,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:40,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:33:40,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352324223] [2023-12-02 16:33:40,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:40,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:33:40,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:33:40,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:33:40,113 INFO L87 Difference]: Start difference. First operand 4234 states and 5847 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 16:33:40,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:40,862 INFO L93 Difference]: Finished difference Result 8424 states and 11695 transitions. [2023-12-02 16:33:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:33:40,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2023-12-02 16:33:40,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:40,878 INFO L225 Difference]: With dead ends: 8424 [2023-12-02 16:33:40,878 INFO L226 Difference]: Without dead ends: 4224 [2023-12-02 16:33:40,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:33:40,896 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 1588 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:40,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1469 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:33:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4224 states. [2023-12-02 16:33:41,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4224 to 4224. [2023-12-02 16:33:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4224 states, 2519 states have (on average 1.2671695117109965) internal successors, (3192), 2611 states have internal predecessors, (3192), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 4224 states and 5830 transitions. [2023-12-02 16:33:41,289 INFO L78 Accepts]: Start accepts. Automaton has 4224 states and 5830 transitions. Word has length 126 [2023-12-02 16:33:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:41,289 INFO L495 AbstractCegarLoop]: Abstraction has 4224 states and 5830 transitions. [2023-12-02 16:33:41,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 16:33:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4224 states and 5830 transitions. [2023-12-02 16:33:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 16:33:41,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:41,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:41,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 16:33:41,291 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:41,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:41,291 INFO L85 PathProgramCache]: Analyzing trace with hash -443681356, now seen corresponding path program 1 times [2023-12-02 16:33:41,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:41,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217389858] [2023-12-02 16:33:41,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:41,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:41,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217389858] [2023-12-02 16:33:41,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217389858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:41,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:41,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:41,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071782834] [2023-12-02 16:33:41,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:41,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:41,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:41,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:41,495 INFO L87 Difference]: Start difference. First operand 4224 states and 5830 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 16:33:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:42,965 INFO L93 Difference]: Finished difference Result 4224 states and 5830 transitions. [2023-12-02 16:33:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:42,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2023-12-02 16:33:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:42,976 INFO L225 Difference]: With dead ends: 4224 [2023-12-02 16:33:42,977 INFO L226 Difference]: Without dead ends: 4222 [2023-12-02 16:33:42,978 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 16:33:42,978 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 1592 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:42,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 2932 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 16:33:42,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2023-12-02 16:33:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 4222. [2023-12-02 16:33:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4222 states, 2518 states have (on average 1.266878474980143) internal successors, (3190), 2609 states have internal predecessors, (3190), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 4222 states and 5828 transitions. [2023-12-02 16:33:43,341 INFO L78 Accepts]: Start accepts. Automaton has 4222 states and 5828 transitions. Word has length 99 [2023-12-02 16:33:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:43,341 INFO L495 AbstractCegarLoop]: Abstraction has 4222 states and 5828 transitions. [2023-12-02 16:33:43,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 16:33:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4222 states and 5828 transitions. [2023-12-02 16:33:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 16:33:43,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:43,343 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:43,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 16:33:43,343 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:43,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1193495735, now seen corresponding path program 1 times [2023-12-02 16:33:43,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:43,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907254653] [2023-12-02 16:33:43,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:43,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 16:33:43,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:43,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907254653] [2023-12-02 16:33:43,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907254653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:43,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:43,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:33:43,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741095341] [2023-12-02 16:33:43,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:43,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:33:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:43,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:33:43,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:43,775 INFO L87 Difference]: Start difference. First operand 4222 states and 5828 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-02 16:33:45,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:45,309 INFO L93 Difference]: Finished difference Result 4230 states and 5832 transitions. [2023-12-02 16:33:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:33:45,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2023-12-02 16:33:45,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:45,322 INFO L225 Difference]: With dead ends: 4230 [2023-12-02 16:33:45,322 INFO L226 Difference]: Without dead ends: 4228 [2023-12-02 16:33:45,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:33:45,324 INFO L413 NwaCegarLoop]: 1477 mSDtfsCounter, 89 mSDsluCounter, 4371 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:45,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 5848 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 16:33:45,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2023-12-02 16:33:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4222. [2023-12-02 16:33:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4222 states, 2518 states have (on average 1.2652899126290706) internal successors, (3186), 2609 states have internal predecessors, (3186), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 4222 states and 5824 transitions. [2023-12-02 16:33:45,889 INFO L78 Accepts]: Start accepts. Automaton has 4222 states and 5824 transitions. Word has length 131 [2023-12-02 16:33:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:45,889 INFO L495 AbstractCegarLoop]: Abstraction has 4222 states and 5824 transitions. [2023-12-02 16:33:45,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-02 16:33:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4222 states and 5824 transitions. [2023-12-02 16:33:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 16:33:45,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:45,891 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:45,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 16:33:45,891 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:45,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1603772620, now seen corresponding path program 1 times [2023-12-02 16:33:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972643254] [2023-12-02 16:33:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:45,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:46,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972643254] [2023-12-02 16:33:46,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972643254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:46,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:46,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:46,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743445227] [2023-12-02 16:33:46,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:46,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:46,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:46,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:46,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:46,081 INFO L87 Difference]: Start difference. First operand 4222 states and 5824 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 16:33:47,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:47,142 INFO L93 Difference]: Finished difference Result 4222 states and 5824 transitions. [2023-12-02 16:33:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:47,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2023-12-02 16:33:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:47,153 INFO L225 Difference]: With dead ends: 4222 [2023-12-02 16:33:47,153 INFO L226 Difference]: Without dead ends: 4220 [2023-12-02 16:33:47,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:47,154 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 1589 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:47,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 2928 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 16:33:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2023-12-02 16:33:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 4220. [2023-12-02 16:33:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4220 states, 2517 states have (on average 1.2649980135081447) internal successors, (3184), 2607 states have internal predecessors, (3184), 1315 states have call successors, (1315), 368 states have call predecessors, (1315), 366 states have return successors, (1323), 1289 states have call predecessors, (1323), 1313 states have call successors, (1323) [2023-12-02 16:33:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 4220 states and 5822 transitions. [2023-12-02 16:33:47,538 INFO L78 Accepts]: Start accepts. Automaton has 4220 states and 5822 transitions. Word has length 104 [2023-12-02 16:33:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:47,538 INFO L495 AbstractCegarLoop]: Abstraction has 4220 states and 5822 transitions. [2023-12-02 16:33:47,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 16:33:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 4220 states and 5822 transitions. [2023-12-02 16:33:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 16:33:47,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:47,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:47,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 16:33:47,539 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:47,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:47,540 INFO L85 PathProgramCache]: Analyzing trace with hash -703752816, now seen corresponding path program 1 times [2023-12-02 16:33:47,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253894145] [2023-12-02 16:33:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:47,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:47,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253894145] [2023-12-02 16:33:47,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253894145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:47,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:47,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:47,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131329930] [2023-12-02 16:33:47,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:47,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:47,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:47,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:47,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:47,789 INFO L87 Difference]: Start difference. First operand 4220 states and 5822 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 16:33:49,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:33:50,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:50,769 INFO L93 Difference]: Finished difference Result 6299 states and 8656 transitions. [2023-12-02 16:33:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:33:50,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2023-12-02 16:33:50,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:50,792 INFO L225 Difference]: With dead ends: 6299 [2023-12-02 16:33:50,792 INFO L226 Difference]: Without dead ends: 6297 [2023-12-02 16:33:50,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:50,797 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1490 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:50,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 4519 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:33:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6297 states. [2023-12-02 16:33:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6297 to 6204. [2023-12-02 16:33:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6204 states, 3714 states have (on average 1.2646742057081315) internal successors, (4697), 3837 states have internal predecessors, (4697), 1925 states have call successors, (1925), 546 states have call predecessors, (1925), 543 states have return successors, (1942), 1885 states have call predecessors, (1942), 1923 states have call successors, (1942) [2023-12-02 16:33:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6204 states to 6204 states and 8564 transitions. [2023-12-02 16:33:51,475 INFO L78 Accepts]: Start accepts. Automaton has 6204 states and 8564 transitions. Word has length 109 [2023-12-02 16:33:51,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:51,475 INFO L495 AbstractCegarLoop]: Abstraction has 6204 states and 8564 transitions. [2023-12-02 16:33:51,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-02 16:33:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6204 states and 8564 transitions. [2023-12-02 16:33:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 16:33:51,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:51,477 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:51,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 16:33:51,477 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:51,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1158390773, now seen corresponding path program 1 times [2023-12-02 16:33:51,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:51,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564660844] [2023-12-02 16:33:51,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:51,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:51,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564660844] [2023-12-02 16:33:51,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564660844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:51,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866338337] [2023-12-02 16:33:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:51,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:51,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:51,785 INFO L87 Difference]: Start difference. First operand 6204 states and 8564 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 16:33:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:53,188 INFO L93 Difference]: Finished difference Result 6204 states and 8564 transitions. [2023-12-02 16:33:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2023-12-02 16:33:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:53,207 INFO L225 Difference]: With dead ends: 6204 [2023-12-02 16:33:53,207 INFO L226 Difference]: Without dead ends: 6202 [2023-12-02 16:33:53,210 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 16:33:53,211 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1585 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:53,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 2924 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 16:33:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6202 states. [2023-12-02 16:33:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6202 to 6202. [2023-12-02 16:33:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6202 states, 3713 states have (on average 1.264206840829518) internal successors, (4694), 3835 states have internal predecessors, (4694), 1925 states have call successors, (1925), 546 states have call predecessors, (1925), 543 states have return successors, (1942), 1885 states have call predecessors, (1942), 1923 states have call successors, (1942) [2023-12-02 16:33:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6202 states to 6202 states and 8561 transitions. [2023-12-02 16:33:53,848 INFO L78 Accepts]: Start accepts. Automaton has 6202 states and 8561 transitions. Word has length 114 [2023-12-02 16:33:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:53,849 INFO L495 AbstractCegarLoop]: Abstraction has 6202 states and 8561 transitions. [2023-12-02 16:33:53,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 16:33:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6202 states and 8561 transitions. [2023-12-02 16:33:53,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 16:33:53,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:53,850 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:53,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 16:33:53,850 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:53,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -885036478, now seen corresponding path program 1 times [2023-12-02 16:33:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18849102] [2023-12-02 16:33:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:53,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:54,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:54,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18849102] [2023-12-02 16:33:54,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18849102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:54,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:54,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:54,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218846059] [2023-12-02 16:33:54,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:54,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:54,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:54,030 INFO L87 Difference]: Start difference. First operand 6202 states and 8561 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 16:33:55,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:55,334 INFO L93 Difference]: Finished difference Result 6202 states and 8561 transitions. [2023-12-02 16:33:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:55,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2023-12-02 16:33:55,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:55,351 INFO L225 Difference]: With dead ends: 6202 [2023-12-02 16:33:55,351 INFO L226 Difference]: Without dead ends: 6200 [2023-12-02 16:33:55,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:33:55,354 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 1582 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:55,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 2920 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:33:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6200 states. [2023-12-02 16:33:55,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6200 to 6200. [2023-12-02 16:33:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6200 states, 3712 states have (on average 1.263739224137931) internal successors, (4691), 3833 states have internal predecessors, (4691), 1925 states have call successors, (1925), 546 states have call predecessors, (1925), 543 states have return successors, (1942), 1885 states have call predecessors, (1942), 1923 states have call successors, (1942) [2023-12-02 16:33:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6200 states to 6200 states and 8558 transitions. [2023-12-02 16:33:56,022 INFO L78 Accepts]: Start accepts. Automaton has 6200 states and 8558 transitions. Word has length 119 [2023-12-02 16:33:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:56,022 INFO L495 AbstractCegarLoop]: Abstraction has 6200 states and 8558 transitions. [2023-12-02 16:33:56,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 16:33:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6200 states and 8558 transitions. [2023-12-02 16:33:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 16:33:56,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:56,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:56,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 16:33:56,024 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:56,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:56,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1055514739, now seen corresponding path program 1 times [2023-12-02 16:33:56,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:56,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588822257] [2023-12-02 16:33:56,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 16:33:56,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:56,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588822257] [2023-12-02 16:33:56,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588822257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:33:56,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:33:56,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:33:56,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770490995] [2023-12-02 16:33:56,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:33:56,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:33:56,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:33:56,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:33:56,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:33:56,189 INFO L87 Difference]: Start difference. First operand 6200 states and 8558 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 16:33:57,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:33:57,653 INFO L93 Difference]: Finished difference Result 6200 states and 8558 transitions. [2023-12-02 16:33:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:33:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2023-12-02 16:33:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:33:57,669 INFO L225 Difference]: With dead ends: 6200 [2023-12-02 16:33:57,669 INFO L226 Difference]: Without dead ends: 6198 [2023-12-02 16:33:57,672 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 16:33:57,672 INFO L413 NwaCegarLoop]: 1458 mSDtfsCounter, 1579 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:33:57,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 2916 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 16:33:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6198 states. [2023-12-02 16:33:58,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6198 to 6198. [2023-12-02 16:33:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6198 states, 3711 states have (on average 1.2632713554298032) internal successors, (4688), 3831 states have internal predecessors, (4688), 1925 states have call successors, (1925), 546 states have call predecessors, (1925), 543 states have return successors, (1942), 1885 states have call predecessors, (1942), 1923 states have call successors, (1942) [2023-12-02 16:33:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6198 states to 6198 states and 8555 transitions. [2023-12-02 16:33:58,363 INFO L78 Accepts]: Start accepts. Automaton has 6198 states and 8555 transitions. Word has length 124 [2023-12-02 16:33:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:33:58,363 INFO L495 AbstractCegarLoop]: Abstraction has 6198 states and 8555 transitions. [2023-12-02 16:33:58,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 16:33:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6198 states and 8555 transitions. [2023-12-02 16:33:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 16:33:58,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:33:58,364 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:33:58,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 16:33:58,364 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 16:33:58,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:33:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash -857945651, now seen corresponding path program 1 times [2023-12-02 16:33:58,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:33:58,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382901523] [2023-12-02 16:33:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:58,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:33:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:33:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-12-02 16:33:59,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:33:59,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382901523] [2023-12-02 16:33:59,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382901523] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:33:59,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831293016] [2023-12-02 16:33:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:33:59,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:33:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:33:59,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:33:59,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f74146-4eb6-48d5-91b8-c520b7a07334/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 16:34:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:34:00,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 16:34:00,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:34:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-12-02 16:34:00,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:34:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-12-02 16:34:01,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831293016] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:34:01,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1745712687] [2023-12-02 16:34:01,132 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 16:34:01,132 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:34:01,135 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:34:01,139 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:34:01,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:36:32,140 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 1269 for LOIs [2023-12-02 16:36:34,884 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 1284 for LOIs [2023-12-02 16:39:10,877 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 144 for LOIs [2023-12-02 16:39:10,959 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 1301 for LOIs [2023-12-02 16:39:13,609 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:39:37,447 WARN L293 SmtUtils]: Spent 23.54s on a formula simplification that was a NOOP. DAG size: 1265 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:40:02,016 WARN L293 SmtUtils]: Spent 22.86s on a formula simplification that was a NOOP. DAG size: 1267 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:40:26,585 WARN L293 SmtUtils]: Spent 24.15s on a formula simplification. DAG size of input: 1298 DAG size of output: 1295 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:40:52,735 WARN L293 SmtUtils]: Spent 25.67s on a formula simplification. DAG size of input: 1330 DAG size of output: 1322 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:41:16,100 WARN L293 SmtUtils]: Spent 22.93s on a formula simplification that was a NOOP. DAG size: 1269 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:41:40,355 WARN L293 SmtUtils]: Spent 23.76s on a formula simplification that was a NOOP. DAG size: 1276 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:42:08,367 WARN L293 SmtUtils]: Spent 27.44s on a formula simplification. DAG size of input: 1344 DAG size of output: 1326 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:42:36,048 WARN L293 SmtUtils]: Spent 27.10s on a formula simplification. DAG size of input: 1344 DAG size of output: 1326 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:43:03,555 WARN L293 SmtUtils]: Spent 26.81s on a formula simplification. DAG size of input: 1346 DAG size of output: 1328 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:43:30,570 WARN L293 SmtUtils]: Spent 26.37s on a formula simplification. DAG size of input: 1332 DAG size of output: 1326 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:43:57,804 WARN L293 SmtUtils]: Spent 26.49s on a formula simplification. DAG size of input: 1344 DAG size of output: 1338 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:44:22,809 WARN L293 SmtUtils]: Spent 23.62s on a formula simplification that was a NOOP. DAG size: 1284 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:44:52,974 WARN L293 SmtUtils]: Spent 28.39s on a formula simplification that was a NOOP. DAG size: 1301 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:45:25,382 WARN L293 SmtUtils]: Spent 30.32s on a formula simplification. DAG size of input: 1305 DAG size of output: 1303 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:45:47,271 WARN L293 SmtUtils]: Spent 19.36s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:46:10,726 WARN L293 SmtUtils]: Spent 21.31s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)